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• How to make MySQL utilize available system resources, or find "the real problem"?

  - by anonymous coward

  This is a MySQL 5.0.26 server, running on SuSE Enterprise 10. This may be a Serverfault question. The web user interface that uses these particular queries (below) is showing sometimes 30+, even up to 120+ seconds at the worst, to generate the pages involved. On development, when the queries are run alone, they take up to 20 seconds on the first run (with no query cache enabled) but anywhere from 2 to 7 seconds after that - I assume because the tables and indexes involved have been placed into ram. From what I can tell, the longest load times are caused by Read/Update Locking. These are MyISAM tables. So it looks like a long update comes in, followed by a couple 7 second queries, and they're just adding up. And I'm fine with that explanation. What I'm not fine with is that MySQL doesn't appear to be utilizing the hardware it's on, and while the bottleneck seems to be the database, I can't understand why. I would say "throw more hardware at it", but we did and it doesn't appear to have changed the situation. Viewing a 'top' during the slowest times never shows much cpu or memory utilization by mysqld, as if the server is having no trouble at all - but then, why are the queries taking so long? How can I make MySQL use the crap out of this hardware, or find out what I'm doing wrong? Extra Details: On the "Memory Health" tab in the MySQL Administrator (for Windows), the Key Buffer is less than 1/8th used - so all the indexes should be in RAM. I can provide a screen shot of any graphs that might help. So desperate to fix this issue. Suffice it to say, there is legacy code "generating" these queries, and they're pretty much stuck the way they are. I have tried every combination of Indexes on the tables involved, but any suggestions are welcome. Here's the current Create Table statement from development (the 'experimental' key I have added, seems to help a little, for the example query only): CREATE TABLE `registration_task` ( `id` varchar(36) NOT NULL default '', `date_entered` datetime NOT NULL default '0000-00-00 00:00:00', `date_modified` datetime NOT NULL default '0000-00-00 00:00:00', `assigned_user_id` varchar(36) default NULL, `modified_user_id` varchar(36) default NULL, `created_by` varchar(36) default NULL, `name` varchar(80) NOT NULL default '', `status` varchar(255) default NULL, `date_due` date default NULL, `time_due` time default NULL, `date_start` date default NULL, `time_start` time default NULL, `parent_id` varchar(36) NOT NULL default '', `priority` varchar(255) NOT NULL default '9', `description` text, `order_number` int(11) default '1', `task_number` int(11) default NULL, `depends_on_id` varchar(36) default NULL, `milestone_flag` varchar(255) default NULL, `estimated_effort` int(11) default NULL, `actual_effort` int(11) default NULL, `utilization` int(11) default '100', `percent_complete` int(11) default '0', `deleted` tinyint(1) NOT NULL default '0', `wf_task_id` varchar(36) default '0', `reg_field` varchar(8) default '', `date_offset` int(11) default '0', `date_source` varchar(10) default '', `date_completed` date default '0000-00-00', `completed_id` varchar(36) default NULL, `original_name` varchar(80) default NULL, PRIMARY KEY (`id`), KEY `idx_reg_task_p` (`deleted`,`parent_id`), KEY `By_Assignee` (`assigned_user_id`,`deleted`), KEY `status_assignee` (`status`,`deleted`), KEY `experimental` (`deleted`,`status`,`assigned_user_id`,`parent_id`,`date_due`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 And one of the ridiculous queries in question: SELECT users.user_name assigned_user_name, registration.FIELD001 parent_name, registration_task.status status, registration_task.date_modified date_modified, registration_task.date_due date_due, registration.FIELD240 assigned_wf, if(LENGTH(registration_task.description)>0,1,0) has_description, registration_task.* FROM registration_task LEFT JOIN users ON registration_task.assigned_user_id=users.id LEFT JOIN registration ON registration_task.parent_id=registration.id where (registration_task.status != 'Completed' AND registration.FIELD001 LIKE '%' AND registration_task.name LIKE '%' AND registration.FIELD060 LIKE 'GN001472%') AND registration_task.deleted=0 ORDER BY date_due asc LIMIT 0,20; my.cnf - '[mysqld]' section. [mysqld] port = 3306 socket = /var/lib/mysql/mysql.sock skip-locking key_buffer = 384M max_allowed_packet = 100M table_cache = 2048 sort_buffer_size = 2M net_buffer_length = 100M read_buffer_size = 2M read_rnd_buffer_size = 160M myisam_sort_buffer_size = 128M query_cache_size = 16M query_cache_limit = 1M EXPLAIN above query, without additional index: +----+-------------+-------------------+--------+--------------------------------+----------------+---------+------------------------------------------------+---------+-----------------------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------------------+--------+--------------------------------+----------------+---------+------------------------------------------------+---------+-----------------------------+ | 1 | SIMPLE | registration_task | ref | idx_reg_task_p,status_assignee | idx_reg_task_p | 1 | const | 1067354 | Using where; Using filesort | | 1 | SIMPLE | registration | eq_ref | PRIMARY,gbl | PRIMARY | 8 | sugarcrm401.registration_task.parent_id | 1 | Using where | | 1 | SIMPLE | users | ref | PRIMARY | PRIMARY | 38 | sugarcrm401.registration_task.assigned_user_id | 1 | | +----+-------------+-------------------+--------+--------------------------------+----------------+---------+------------------------------------------------+---------+-----------------------------+ EXPLAIN above query, with 'experimental' index: +----+-------------+-------------------+--------+-----------------------------------------------------------+------------------+---------+------------------------------------------------+--------+-----------------------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------------------+--------+-----------------------------------------------------------+------------------+---------+------------------------------------------------+--------+-----------------------------+ | 1 | SIMPLE | registration_task | range | idx_reg_task_p,status_assignee,NewIndex1,tcg_experimental | tcg_experimental | 259 | NULL | 103345 | Using where; Using filesort | | 1 | SIMPLE | registration | eq_ref | PRIMARY,gbl | PRIMARY | 8 | sugarcrm401.registration_task.parent_id | 1 | Using where | | 1 | SIMPLE | users | ref | PRIMARY | PRIMARY | 38 | sugarcrm401.registration_task.assigned_user_id | 1 | | +----+-------------+-------------------+--------+-----------------------------------------------------------+------------------+---------+------------------------------------------------+--------+-----------------------------+

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• Partial view is not rendering within the main view it's contained (instead it's rendered in it's own page)?

  - by JaJ

  I have a partial view that is contained in a simple index view. When I try to add a new object to my model and update my partial view to display that new object along with existing objects the partial view is rendered outside the page that it's contained? I'm using AJAX to update the partial view but what is wrong with the following code? Model: public class Product { public int ID { get; set; } public string Name { get; set; } [DataType(DataType.Currency)] public decimal Price { get; set; } } public class BoringStoreContext { List<Product> results = new List<Product>(); public BoringStoreContext() { Products = new List<Product>(); Products.Add(new Product() { ID = 1, Name = "Sure", Price = (decimal)(1.10) }); Products.Add(new Product() { ID = 2, Name = "Sure2", Price = (decimal)(2.10) }); } public List<Product> Products {get; set;} } public class ProductIndexViewModel { public Product NewProduct { get; set; } public IEnumerable<Product> Products { get; set; } } Index.cshtml View: @model AjaxPartialPageUpdates.Models.ProductIndexViewModel @using (Ajax.BeginForm("Index_AddItem", new AjaxOptions { UpdateTargetId = "productList" })) { <div> @Html.LabelFor(model => model.NewProduct.Name) @Html.EditorFor(model => model.NewProduct.Name) </div> <div> @Html.LabelFor(model => model.NewProduct.Price) @Html.EditorFor(model => model.NewProduct.Price) </div> <div> <input type="submit" value="Add Product" /> </div> } <div id='productList'> @{ Html.RenderPartial("ProductListControl", Model.Products); } </div> ProductListControl.cshtml Partial View @model IEnumerable<AjaxPartialPageUpdates.Models.Product> <table> <!-- Render the table headers. --> <tr> <th>Name</th> <th>Price</th> </tr> <!-- Render the name and price of each product. --> @foreach (var item in Model) { <tr> <td>@Html.DisplayFor(model => item.Name)</td> <td>@Html.DisplayFor(model => item.Price)</td> </tr> } </table> Controller: public class HomeController : Controller { public ActionResult Index() { BoringStoreContext db = new BoringStoreContext(); ProductIndexViewModel viewModel = new ProductIndexViewModel { NewProduct = new Product(), Products = db.Products }; return View(viewModel); } public ActionResult Index_AddItem(ProductIndexViewModel viewModel) { BoringStoreContext db = new BoringStoreContext(); db.Products.Add(viewModel.NewProduct); return PartialView("ProductListControl", db.Products); } }

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• referencing part of the composite primary key

  - by Zavael

  I have problems with setting the reference on database table. I have following structure: CREATE TABLE club( id INTEGER NOT NULL, name_short VARCHAR(30), name_full VARCHAR(70) NOT NULL ); CREATE UNIQUE INDEX club_uix ON club(id); ALTER TABLE club ADD CONSTRAINT club_pk PRIMARY KEY (id); CREATE TABLE team( id INTEGER NOT NULL, club_id INTEGER NOT NULL, team_name VARCHAR(30) ); CREATE UNIQUE INDEX team_uix ON team(id, club_id); ALTER TABLE team ADD CONSTRAINT team_pk PRIMARY KEY (id, club_id); ALTER TABLE team ADD FOREIGN KEY (club_id) REFERENCES club(id); CREATE TABLE person( id INTEGER NOT NULL, first_name VARCHAR(20), last_name VARCHAR(20) NOT NULL ); CREATE UNIQUE INDEX person_uix ON person(id); ALTER TABLE person ADD PRIMARY KEY (id); CREATE TABLE contract( person_id INTEGER NOT NULL, club_id INTEGER NOT NULL, wage INTEGER ); CREATE UNIQUE INDEX contract_uix on contract(person_id); ALTER TABLE contract ADD CONSTRAINT contract_pk PRIMARY KEY (person_id); ALTER TABLE contract ADD FOREIGN KEY (club_id) REFERENCES club(id); ALTER TABLE contract ADD FOREIGN KEY (person_id) REFERENCES person(id); CREATE TABLE player( person_id INTEGER NOT NULL, team_id INTEGER, height SMALLINT, weight SMALLINT ); CREATE UNIQUE INDEX player_uix on player(person_id); ALTER TABLE player ADD CONSTRAINT player_pk PRIMARY KEY (person_id); ALTER TABLE player ADD FOREIGN KEY (person_id) REFERENCES person(id); -- ALTER TABLE player ADD FOREIGN KEY (team_id) REFERENCES team(id); --this is not working It gives me this error: Error code -5529, SQL state 42529: a UNIQUE constraint does not exist on referenced columns: TEAM in statement [ALTER TABLE player ADD FOREIGN KEY (team_id) REFERENCES team(id)] As you can see, team table has composite primary key (club_id + id), the person references club through contract. Person has some common attributes for player and other staff types. One club can have multiple teams. Employed person has to have a contract with a club. Player (is the specification of person) - if emplyed - can be assigned to one of the club's teams. Is there better way to design my structure? I thought about excluding the club_id from team's primary key, but I would like to know if this is the only way. Thanks. UPDATE 1 I would like to have the id as team identification only within the club, so multiple teams can have equal id as long as they belong to different clubs. Is it possible? UPDATE 2 updated the naming convention as adviced by philip Some business rules to better understand the structure: One club can have 1..n teams (Main squad, Reserve squad, Youth squad or Team A, Team B... only team can play match, not club) One team belongs to one club only A player is type of person (other types (staff) are scouts, coaches etc so they do not need to belong to specific team, just to the club, if employed) Person can have 0..1 contract with 1 club (that means he is employed or unemployed) Player (if employed) belongs to one team of the club Now thinking about it - moving team_id from player to contract would solve my problem, and it could hold the condition "Player (if employed) belongs to one team of the club", but it would be redundant for other staff types. What do you think?

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• Use of select or multithread for almost 80 or more clients?

  - by Tushar Goel

  I am working on one project in which i need to read from 80 or more clients and then write their o/p into a file continuously and then read these new data for another task. My question is what should i use select or multithreading? Also I tried to use multi threading using read/fgets and write/fputs call but as they are blocking calls and one operation can be performed at one time so it is not feasible. Any idea is much appreciated. update 1: I have tried to implement the same using condition variable. I able to achieve this but it is writing and reading one at a time.When another client tried to write then it cannot able to write unless i quit from the 1st thread. I do not understand this. This should work now. What mistake i am doing? Update 2: Thanks all .. I am able to succeeded to get this model implemented using mutex condition variable. updated Code is as below: **header file******* char *mailbox ; pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER ; pthread_cond_t writer = PTHREAD_COND_INITIALIZER; int main(int argc,char *argv[]) { pthread_t t1 , t2; pthread_attr_t attr; int fd, sock , *newfd; struct sockaddr_in cliaddr; socklen_t clilen; void *read_file(); void *update_file(); //making a server socket if((fd=make_server(atoi(argv[1])))==-1) oops("Unable to make server",1) //detaching threads pthread_attr_init(&attr); pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED); ///opening thread for reading pthread_create(&t2,&attr,read_file,NULL); while(1) { clilen = sizeof(cliaddr); //accepting request sock=accept(fd,(struct sockaddr *)&cliaddr,&clilen); //error comparison against failire of request and INT if(sock==-1 && errno != EINTR) oops("accept",2) else if ( sock ==-1 && errno == EINTR) oops("Pressed INT",3) newfd = (int *)malloc(sizeof(int)); *newfd = sock; //creating thread per request pthread_create(&t1,&attr,update_file,(void *)newfd); } free(newfd); return 0; } void *read_file(void *m) { pthread_mutex_lock(&lock); while(1) { printf("Waiting for lock.\n"); pthread_cond_wait(&writer,&lock); printf("I am reading here.\n"); printf("%s",mailbox); mailbox = NULL ; pthread_cond_signal(&writer); } } void *update_file(int *m) { int sock = *m; int fs ; int nread; char buffer[BUFSIZ] ; if((fs=open("database.txt",O_RDWR))==-1) oops("Unable to open file",4) while(1) { pthread_mutex_lock(&lock); write(1,"Waiting to get writer lock.\n",29); if(mailbox != NULL) pthread_cond_wait(&writer,&lock); lseek(fs,0,SEEK_END); printf("Reading from socket.\n"); nread=read(sock,buffer,BUFSIZ); printf("Writing in file.\n"); write(fs,buffer,nread); mailbox = buffer ; pthread_cond_signal(&writer); pthread_mutex_unlock(&lock); } close(fs); }

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• Using AsyncTask, but experiencing unexpected behaviour

  - by capcom

  Please refer to the following code which continuously calls a new AsyncTask. The purpose of the AsyncTask is to make an HTTP request, and update the string result. package room.temperature; import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.concurrent.ExecutionException; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import android.app.Activity; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.widget.TextView; public class RoomTemperatureActivity extends Activity { String result = null; StringBuilder sb=null; TextView TemperatureText, DateText; ArrayList<NameValuePair> nameValuePairs; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TemperatureText = (TextView) findViewById(R.id.temperature); DateText = (TextView) findViewById(R.id.date); nameValuePairs = new ArrayList<NameValuePair>(); for (int i = 0; i < 10; i++) { RefreshValuesTask task = new RefreshValuesTask(); task.execute(""); } } // The definition of our task class private class RefreshValuesTask extends AsyncTask<String, Integer, String> { @Override protected void onPreExecute() { super.onPreExecute(); } @Override protected String doInBackground(String... params) { InputStream is = null; try { HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("http://mywebsite.com/roomtemp/tempscript.php"); httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); HttpResponse response = httpclient.execute(httppost); HttpEntity entity = response.getEntity(); is = entity.getContent(); } catch(Exception e) { Log.e("log_tag", "Error in http connection" + e.toString()); } try { BufferedReader reader = new BufferedReader(new InputStreamReader(is,"iso-8859-1"),8); sb = new StringBuilder(); sb.append(reader.readLine()); is.close(); result=sb.toString(); } catch(Exception e) { Log.e("log_tag", "Error converting result " + e.toString()); } return result; } @Override protected void onProgressUpdate(Integer... values) { super.onProgressUpdate(values); } @Override protected void onPostExecute(String result) { super.onPostExecute(result); //System.out.println(result); setValues(result); } } public void setValues(String resultValue) { System.out.println(resultValue); String[] values = resultValue.split("&"); TemperatureText.setText(values[0]); DateText.setText(values[1]); } } The problem I am experiencing relates to the AsyncTask in some way or the function setValues(), but I am not sure how. Essentially, I want each call to the AsyncTask to run, eventually in an infinite while loop, and update the TextView fields as I have attempted in setValues. I have tried since yesterday after asking a question which led to this code, for reference. Oh yes, I did try using the AsyncTask get() method, but that didn't work either as I found out that it is actually a synchronous call, and renders the whole point of AsyncTask useless.

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• Arduino: Putting servos in my class causes them to rotate all the way to one side

  - by user2526712

  I am trying to create a new class that controls two servos. My code compiles just fine. However, when I run it, the servos just turn all the way to one direction. This seems to happen when I try instantiating the class (when in the constructor, I attach the servos in the class to pins). In My class's header file, I have [UPDATED] #ifndef ServoController_h #define ServoController_h #include "Arduino.h" #include <Servo.h> class ServoController { public: ServoController(int rotateServoPin, int elevateServoPin); void rotate(int degrees); void elevate(int degrees); private: Servo rotateServo; Servo elevateServo; int elevationAngle; int azimuthAngle; }; #endif Code so far for my Class: #include "Arduino.h" #include "ServoController.h" ServoController::ServoController(int rotateServoPin, int elevateServoPin) { azimuthAngle = 0; elevationAngle = 0; elevateServo.attach(elevateServoPin); rotateServo.attach(rotateServoPin); } void ServoController::rotate(int degrees) { //TO DO rotateServo.write(degrees); } void ServoController::elevate(int degrees) { //TO DO elevateServo.write(degrees); } And finally my arduino sketch so far is just: #include <ServoController.h> #include <Servo.h> ServoController sc(2 , 3); void setup() { } void loop() { } I'm pretty sure the circuit I am using is fine, since if I do not use my class, and just use the servo library directly in my arduino file, the servos move correctly. any ideas why this might happen? [UPDATE] I actually got this working. In my constructor, I have removed the lines to attach the servos to pins. Instead, I have added another method to my class which does the attachment. ServoController::ServoController(int rotateServoPin, int elevateServoPin) { azimuthAngle = 0; elevationAngle = 0; // elevateServo.attach(elevateServoPin); // rotateServo.attach(rotateServoPin); } void ServoController::attachPins(int rotateServoPin, int elevateServoPin) { azimuthAngle = 0; elevationAngle = 0; elevateServo.attach(elevateServoPin); rotateServo.attach(rotateServoPin); } I then call this in my sketch's setup() function: void setup() { sc.attachPins(2,3); } It seems like if I attach my servos outside of the setup() function, my problem occurs. [UPDATE July 27 9:13PM] Verified something with another test: I created a new sketch where I attached a servo before setup(): #include <Servo.h> Servo servo0; servo0.attach(2); void setup() { } void loop() // this function runs repeatedly after setup() finishes { servo0.write(90); delay(2000); servo0.write(135); delay(2000); servo0.write(45); delay(2000); } When I try to compile, Arduino throws an error: "testservotest:4: error: expected constructor, destructor, or type conversion before '.' token" So there was an error, but it was not thrown when the attach method was called from a class Thanks very much

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• MCV PHP Am I doing the Model right? [closed]

  - by Kosmo

  I'm trying to create a basic website using MVC in PHP to learn MVC. Its eventually going to be some sort of social networking website but right now I am trying to create a object that can create, delete, update members. What I've done so far for the Model is in the code below, I figure my Controller will take user input and build the array of data that are then passed to this Model. Am I designing this correctly? Should the Controller be the one building the Arrays? <?php class Connection { private $server; private $database; private $user; private $password; private $conn; function __construct($server, $database, $user, $password) { $this->server = $server; $this->database = $database; $this->user = $user; $this->password = $password; } function connect() { $this->conn = mysql_connect($this->server, $this->user, $this->password) or die(mysql_error()); if (!(mysql_select_db($this->database))) { throw new Exception("Could not connect to database!"); } } function deleteMember($memberId) { $queryString = "DELETE FROM Members WHERE MemberId=" . $memberId . ';'; if (!mysql_query($queryString)) { throw new Exception("Failed Deleting Member!"); } } function insertMember($columns) { $queryString = 'INSERT INTO Members'; $keys = '('; $values = '('; $count = 0; foreach($columns as $key => $value) { $keys .= $key; $values .= $value; if (!(++$count == count($columns))) { $keys .= ','; $values .= ','; } } $queryString .= $keys . ')' . ' VALUES ' . $values . ');'; if (!mysql_query($queryString, $this->conn)) { throw new Exception('Failed Inserting Member!'); } else { return mysql_insert_id(); } } function updateMember($memberId, $columns) { $queryString = 'UPDATE Members SET '; $count = 0; foreach($columns as $key => $value) { $queryString .= $key . '=' . $value; if (!(++$count == count($columns))) { $queryString .= ', '; } } $queryString .= ' WHERE MemberId=' . $memberId . ';'; if (!mysql_query($queryString)) { throw new Exception('Failed Updating Member'); } } function getMembers() { $queryString = "SELECT * FROM Members;"; $result = mysql_query($queryString); $memberArray = array(); $count = 0; while ($row = mysql_fetch_array($result)) { $memberArray[$count++] = "Member ID: " . $row['MemberId'] . " Name: " . $row['MemberName'] . " Email: " . $row['MemberEmail']; } return $memberArray; } function disconnect() { mysql_close($this->conn); } }

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• A view interface for large object/array dumps

  - by user685107

  I want to embed in a page a detailed structure report of my model objects, like print_r() or var_export() produce (now I’m doing this with running var_export() on get_object_vars()). But what I actually want to see is only some properties (in most cases), but at this moment I have to use Ctrl+F and seek the variable I want, instead of just staring at it right after the page completes loading. So I’m embedding buttons to show/hide large arrays etc. but thought: ‘What if there already is the thing I do right now?’ So is there? Update: What would your ideal interface look like? First of all, dumped models fit in the first screen. All the properties can be seen at the first look at the screen (there are not many of them, around 10 per each, three models total, so it is possible). Small arrays can be shown unrolled too. Let the size of the array to count it as ‘small’ be definable. Ideally, the user can see values of the properties without doing any click, scrolling the screen or typing something. There must be some improvements to representing the values, say, if an array is empty, show array ‘My_big_array’ is empty and if a boolean variable starting with is_, has_, had_ has a false as the value, make the variable (let us take is_available for example) shown as is_NOT_available in red, and if it has true as the value, show is_available in green. Without any value shown. The same goes for defined constants. That would be ideal. I want to make focus on this kind of switches. Krumo seems useful, but since it always closes up the variable without making difference of how large it is, I cannot use it as is, but there might appear something similar on github soon :) Second update starts here: Any programmer who sees is_available = false will know what it means, no need to do more Bringing in color indication I forgot about one thing: the ‘switches’ let’s call them so, may me important or not. So I have right now some of them that will show in green or red, this is for something global, like caching, which is shown as Caching is… ON with ‘ON’ written in green, (and ‘OFF’ in red when disabled) while the words about what it is, i.e. ‘Caching is… ’ are written in black. And some which are not so important, for example I haven’t defined REVEAL_TIES is… not set with ‘not set’ written in gray, while the words describing what it is stay in black. And if it would be set the whole phrase would be in black since there is nothing important: if this small utility for showing some undercover things is working, I will see some messages after it, if it isn’t — site will be working independently of its state. Dividing switches into important ones and not with corresponding color match should improve readability, especially for those users who are not programmers and just enabled debug mode because some guy from bugzilla said do that — for them it would help to understand what is important and what is not.

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• Testing shared memory ,strange thing happen

  - by barfatchen

  I have 2 program compiled in 4.1.2 running in RedHat 5.5 , It is a simple job to test shared memory , shmem1.c like following : #define STATE_FILE "/program.shared" #define NAMESIZE 1024 #define MAXNAMES 100 typedef struct { char name[MAXNAMES][NAMESIZE]; int heartbeat ; int iFlag ; } SHARED_VAR; int main (void) { int first = 0; int shm_fd; static SHARED_VAR *conf; if((shm_fd = shm_open(STATE_FILE, (O_CREAT | O_EXCL | O_RDWR), (S_IREAD | S_IWRITE))) > 0 ) { first = 1; /* We are the first instance */ } else if((shm_fd = shm_open(STATE_FILE, (O_CREAT | O_RDWR), (S_IREAD | S_IWRITE))) < 0) { printf("Could not create shm object. %s\n", strerror(errno)); return errno; } if((conf = mmap(0, sizeof(SHARED_VAR), (PROT_READ | PROT_WRITE), MAP_SHARED, shm_fd, 0)) == MAP_FAILED) { return errno; } if(first) { for(idx=0;idx< 1000000000;idx++) { conf->heartbeat = conf->heartbeat + 1 ; } } printf("conf->heartbeat=(%d)\n",conf->heartbeat) ; close(shm_fd); shm_unlink(STATE_FILE); exit(0); }//main And shmem2.c like following : #define STATE_FILE "/program.shared" #define NAMESIZE 1024 #define MAXNAMES 100 typedef struct { char name[MAXNAMES][NAMESIZE]; int heartbeat ; int iFlag ; } SHARED_VAR; int main (void) { int first = 0; int shm_fd; static SHARED_VAR *conf; if((shm_fd = shm_open(STATE_FILE, (O_RDWR), (S_IREAD | S_IWRITE))) < 0) { printf("Could not create shm object. %s\n", strerror(errno)); return errno; } ftruncate(shm_fd, sizeof(SHARED_VAR)); if((conf = mmap(0, sizeof(SHARED_VAR), (PROT_READ | PROT_WRITE), MAP_SHARED, shm_fd, 0)) == MAP_FAILED) { return errno; } int idx ; for(idx=0;idx< 1000000000;idx++) { conf->heartbeat = conf->heartbeat + 1 ; } printf("conf->heartbeat=(%d)\n",conf->heartbeat) ; close(shm_fd); exit(0); } After compiled : gcc shmem1.c -lpthread -lrt -o shmem1.exe gcc shmem2.c -lpthread -lrt -o shmem2.exe And Run both program almost at the same time with 2 terminal : [test]$ ./shmem1.exe First creation of the shm. Setting up default values conf->heartbeat=(840825951) [test]$ ./shmem2.exe conf->heartbeat=(1215083817) I feel confused !! since shmem1.c is a loop 1,000,000,000 times , how can it be possible to have a answer like 840,825,951 ? I run shmem1.exe and shmem2.exe this way,most of the results are conf-heartbeat will larger than 1,000,000,000 , but seldom and randomly , I will see result conf-heartbeat will lesser than 1,000,000,000 , either in shmem1.exe or shmem2.exe !! if run shmem1.exe only , it is always print 1,000,000,000 , my question is , what is the reason cause conf-heartbeat=(840825951) in shmem1.exe ? Update: Although not sure , but I think I figure it out what is going on , If shmem1.exe run 10 times for example , then conf-heartbeat = 10 , in this time shmem1.exe take a rest and then back , shmem1.exe read from shared memory and conf-heartbeat = 8 , so shmem1.exe will continue from 8 , why conf-heartbeat = 8 ? I think it is because shmem2.exe update the shared memory data to 8 , shmem1.exe did not write 10 back to shared memory before it took a rest ....that is just my theory... i don't know how to prove it !!

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• Referencing variables in a structure / C++

  - by user1628622

  Below, I provided a minimal example of code I created. I managed to get this code working, but I'm not sure if the practice being employed is sound. In essence, what I am trying to do is have the 'Parameter' class reference select elements in the 'States' class, so variables in States can be changed via Parameters. Questions I have: is the approach taken OK? If not, is there a better way to achieve what I am aiming for? Example code: struct VAR_TYPE{ public: bool is_fixed; // If is_fixed = true, then variable is a parameter double value; // Numerical value std::string name; // Description of variable (to identify it by name) }; struct NODE{ public: VAR_TYPE X, Y, Z; /* VAR_TYPE is a structure of primitive types */ }; class States{ private: std::vector <NODE_ptr> node; // shared ptr to struct NODE std::vector <PROP_DICTIONARY_ptr> property; // CAN NOT be part of Parameter std::vector <ELEMENT_ptr> element; // CAN NOT be part of Parameter public: /* ect */ void set_X_reference ( Parameter &T , int i ) { T.push_var( &node[i]->X ); } void set_Y_reference ( Parameter &T , int i ) { T.push_var( &node[i]->Y ); } void set_Z_reference ( Parameter &T , int i ) { T.push_var( &node[i]->Z ); } bool get_node_bool_X( int i ) { return node[i]->X.is_fixed; } // repeat for Y and Z }; class Parameter{ private: std::vector <VAR_TYPE*> var; public: /* ect */ }; int main(){ States S; Parameter P; /* Here I initialize and set S, and do other stuff */ // Now I assign components in States to Parameters for(int n=0 ; n<S.size_of_nodes() ; n++ ){ if ( S.get_node_bool_X(n)==true ){ S.set_X_reference ( P , n ); }; // repeat if statement for Y and Z }; /* Now P points selected to data in S, and I can * modify the contents of S through P */ return 0; }; Update The reason this issue cropped up is I am working with Fortran legacy code. To sum up this Fotran code - it's a numerical simulation of a flight vehicle. This code has a fairly rigid procedural framework one must work within, which comes with a pre-defined list of allowable Fortran types. The Fortran glue code can create an instance of a C++ object (in actuality, a reference from the perspective of Fortran), but is not aware what is contained in it (other means are used to extract C++ data into Fortran). The problem that I encountered is when a C++ module is dynamically linked to the Fortran glue code, C++ objects have to be initialized each instance the C++ code is called. This happens by virtue of how the Fortran template is defined. To avoid this cycle of re-initializing objects, I plan to use 'State' as a container class. The Fortran code allows a 'State' object, which has an arbitrary definition; but I plan to use it to harness all relevant information about the model. The idea is to use the Parameters class (which is exposed and updated by the Fortran code) to update variables in States.

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• SQLite, python, unicode, and non-utf data

  - by Nathan Spears

  I started by trying to store strings in sqlite using python, and got the message: sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings. Ok, I switched to Unicode strings. Then I started getting the message: sqlite3.OperationalError: Could not decode to UTF-8 column 'tag_artist' with text 'Sigur Rós' when trying to retrieve data from the db. More research and I started encoding it in utf8, but then 'Sigur Rós' starts looking like 'Sigur Rós' note: My console was set to display in 'latin_1' as @John Machin pointed out. What gives? After reading this, describing exactly the same situation I'm in, it seems as if the advice is to ignore the other advice and use 8-bit bytestrings after all. I didn't know much about unicode and utf before I started this process. I've learned quite a bit in the last couple hours, but I'm still ignorant of whether there is a way to correctly convert 'ó' from latin-1 to utf-8 and not mangle it. If there isn't, why would sqlite 'highly recommend' I switch my application to unicode strings? I'm going to update this question with a summary and some example code of everything I've learned in the last 24 hours so that someone in my shoes can have an easy(er) guide. If the information I post is wrong or misleading in any way please tell me and I'll update, or one of you senior guys can update. Summary of answers Let me first state the goal as I understand it. The goal in processing various encodings, if you are trying to convert between them, is to understand what your source encoding is, then convert it to unicode using that source encoding, then convert it to your desired encoding. Unicode is a base and encodings are mappings of subsets of that base. utf_8 has room for every character in unicode, but because they aren't in the same place as, for instance, latin_1, a string encoded in utf_8 and sent to a latin_1 console will not look the way you expect. In python the process of getting to unicode and into another encoding looks like: str.decode('source_encoding').encode('desired_encoding') or if the str is already in unicode str.encode('desired_encoding') For sqlite I didn't actually want to encode it again, I wanted to decode it and leave it in unicode format. Here are four things you might need to be aware of as you try to work with unicode and encodings in python. The encoding of the string you want to work with, and the encoding you want to get it to. The system encoding. The console encoding. The encoding of the source file Elaboration: (1) When you read a string from a source, it must have some encoding, like latin_1 or utf_8. In my case, I'm getting strings from filenames, so unfortunately, I could be getting any kind of encoding. Windows XP uses UCS-2 (a Unicode system) as its native string type, which seems like cheating to me. Fortunately for me, the characters in most filenames are not going to be made up of more than one source encoding type, and I think all of mine were either completely latin_1, completely utf_8, or just plain ascii (which is a subset of both of those). So I just read them and decoded them as if they were still in latin_1 or utf_8. It's possible, though, that you could have latin_1 and utf_8 and whatever other characters mixed together in a filename on Windows. Sometimes those characters can show up as boxes, other times they just look mangled, and other times they look correct (accented characters and whatnot). Moving on. (2) Python has a default system encoding that gets set when python starts and can't be changed during runtime. See here for details. Dirty summary ... well here's the file I added: \# sitecustomize.py \# this file can be anywhere in your Python path, \# but it usually goes in ${pythondir}/lib/site-packages/ import sys sys.setdefaultencoding('utf_8') This system encoding is the one that gets used when you use the unicode("str") function without any other encoding parameters. To say that another way, python tries to decode "str" to unicode based on the default system encoding. (3) If you're using IDLE or the command-line python, I think that your console will display according to the default system encoding. I am using pydev with eclipse for some reason, so I had to go into my project settings, edit the launch configuration properties of my test script, go to the Common tab, and change the console from latin-1 to utf-8 so that I could visually confirm what I was doing was working. (4) If you want to have some test strings, eg test_str = "ó" in your source code, then you will have to tell python what kind of encoding you are using in that file. (FYI: when I mistyped an encoding I had to ctrl-Z because my file became unreadable.) This is easily accomplished by putting a line like so at the top of your source code file: # -*- coding: utf_8 -*- If you don't have this information, python attempts to parse your code as ascii by default, and so: SyntaxError: Non-ASCII character '\xf3' in file _redacted_ on line 81, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details Once your program is working correctly, or, if you aren't using python's console or any other console to look at output, then you will probably really only care about #1 on the list. System default and console encoding are not that important unless you need to look at output and/or you are using the builtin unicode() function (without any encoding parameters) instead of the string.decode() function. I wrote a demo function I will paste into the bottom of this gigantic mess that I hope correctly demonstrates the items in my list. Here is some of the output when I run the character 'ó' through the demo function, showing how various methods react to the character as input. My system encoding and console output are both set to utf_8 for this run: '?' = original char <type 'str'> repr(char)='\xf3' '?' = unicode(char) ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data 'ó' = char.decode('latin_1') <type 'unicode'> repr(char.decode('latin_1'))=u'\xf3' '?' = char.decode('utf_8') ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data Now I will change the system and console encoding to latin_1, and I get this output for the same input: 'ó' = original char <type 'str'> repr(char)='\xf3' 'ó' = unicode(char) <type 'unicode'> repr(unicode(char))=u'\xf3' 'ó' = char.decode('latin_1') <type 'unicode'> repr(char.decode('latin_1'))=u'\xf3' '?' = char.decode('utf_8') ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data Notice that the 'original' character displays correctly and the builtin unicode() function works now. Now I change my console output back to utf_8. '?' = original char <type 'str'> repr(char)='\xf3' '?' = unicode(char) <type 'unicode'> repr(unicode(char))=u'\xf3' '?' = char.decode('latin_1') <type 'unicode'> repr(char.decode('latin_1'))=u'\xf3' '?' = char.decode('utf_8') ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data Here everything still works the same as last time but the console can't display the output correctly. Etc. The function below also displays more information that this and hopefully would help someone figure out where the gap in their understanding is. I know all this information is in other places and more thoroughly dealt with there, but I hope that this would be a good kickoff point for someone trying to get coding with python and/or sqlite. Ideas are great but sometimes source code can save you a day or two of trying to figure out what functions do what. Disclaimers: I'm no encoding expert, I put this together to help my own understanding. I kept building on it when I should have probably started passing functions as arguments to avoid so much redundant code, so if I can I'll make it more concise. Also, utf_8 and latin_1 are by no means the only encoding schemes, they are just the two I was playing around with because I think they handle everything I need. Add your own encoding schemes to the demo function and test your own input. One more thing: there are apparently crazy application developers making life difficult in Windows. #!/usr/bin/env python # -*- coding: utf_8 -*- import os import sys def encodingDemo(str): validStrings = () try: print "str =",str,"{0} repr(str) = {1}".format(type(str), repr(str)) validStrings += ((str,""),) except UnicodeEncodeError as ude: print "Couldn't print the str itself because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t", print ude try: x = unicode(str) print "unicode(str) = ",x validStrings+= ((x, " decoded into unicode by the default system encoding"),) except UnicodeDecodeError as ude: print "ERROR. unicode(str) couldn't decode the string because the system encoding is set to an encoding that doesn't understand some character in the string." print "\tThe system encoding is set to {0}. See error:\n\t".format(sys.getdefaultencoding()), print ude except UnicodeEncodeError as uee: print "ERROR. Couldn't print the unicode(str) because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t", print uee try: x = str.decode('latin_1') print "str.decode('latin_1') =",x validStrings+= ((x, " decoded with latin_1 into unicode"),) try: print "str.decode('latin_1').encode('utf_8') =",str.decode('latin_1').encode('utf_8') validStrings+= ((x, " decoded with latin_1 into unicode and encoded into utf_8"),) except UnicodeDecodeError as ude: print "The string was decoded into unicode using the latin_1 encoding, but couldn't be encoded into utf_8. See error:\n\t", print ude except UnicodeDecodeError as ude: print "Something didn't work, probably because the string wasn't latin_1 encoded. See error:\n\t", print ude except UnicodeEncodeError as uee: print "ERROR. Couldn't print the str.decode('latin_1') because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t", print uee try: x = str.decode('utf_8') print "str.decode('utf_8') =",x validStrings+= ((x, " decoded with utf_8 into unicode"),) try: print "str.decode('utf_8').encode('latin_1') =",str.decode('utf_8').encode('latin_1') except UnicodeDecodeError as ude: print "str.decode('utf_8').encode('latin_1') didn't work. The string was decoded into unicode using the utf_8 encoding, but couldn't be encoded into latin_1. See error:\n\t", validStrings+= ((x, " decoded with utf_8 into unicode and encoded into latin_1"),) print ude except UnicodeDecodeError as ude: print "str.decode('utf_8') didn't work, probably because the string wasn't utf_8 encoded. See error:\n\t", print ude except UnicodeEncodeError as uee: print "ERROR. Couldn't print the str.decode('utf_8') because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t",uee print print "Printing information about each character in the original string." for char in str: try: print "\t'" + char + "' = original char {0} repr(char)={1}".format(type(char), repr(char)) except UnicodeDecodeError as ude: print "\t'?' = original char {0} repr(char)={1} ERROR PRINTING: {2}".format(type(char), repr(char), ude) except UnicodeEncodeError as uee: print "\t'?' = original char {0} repr(char)={1} ERROR PRINTING: {2}".format(type(char), repr(char), uee) print uee try: x = unicode(char) print "\t'" + x + "' = unicode(char) {1} repr(unicode(char))={2}".format(x, type(x), repr(x)) except UnicodeDecodeError as ude: print "\t'?' = unicode(char) ERROR: {0}".format(ude) except UnicodeEncodeError as uee: print "\t'?' = unicode(char) {0} repr(char)={1} ERROR PRINTING: {2}".format(type(x), repr(x), uee) try: x = char.decode('latin_1') print "\t'" + x + "' = char.decode('latin_1') {1} repr(char.decode('latin_1'))={2}".format(x, type(x), repr(x)) except UnicodeDecodeError as ude: print "\t'?' = char.decode('latin_1') ERROR: {0}".format(ude) except UnicodeEncodeError as uee: print "\t'?' = char.decode('latin_1') {0} repr(char)={1} ERROR PRINTING: {2}".format(type(x), repr(x), uee) try: x = char.decode('utf_8') print "\t'" + x + "' = char.decode('utf_8') {1} repr(char.decode('utf_8'))={2}".format(x, type(x), repr(x)) except UnicodeDecodeError as ude: print "\t'?' = char.decode('utf_8') ERROR: {0}".format(ude) except UnicodeEncodeError as uee: print "\t'?' = char.decode('utf_8') {0} repr(char)={1} ERROR PRINTING: {2}".format(type(x), repr(x), uee) print x = 'ó' encodingDemo(x) Much thanks for the answers below and especially to @John Machin for answering so thoroughly.

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• SQLite, python, unicode, and non-utf data

  - by Nathan Spears

  I started by trying to store strings in sqlite using python, and got the message: sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings. Ok, I switched to Unicode strings. Then I started getting the message: sqlite3.OperationalError: Could not decode to UTF-8 column 'tag_artist' with text 'Sigur Rós' when trying to retrieve data from the db. More research and I started encoding it in utf8, but then 'Sigur Rós' starts looking like 'Sigur Rós' note: My console was set to display in 'latin_1' as @John Machin pointed out. What gives? After reading this, describing exactly the same situation I'm in, it seems as if the advice is to ignore the other advice and use 8-bit bytestrings after all. I didn't know much about unicode and utf before I started this process. I've learned quite a bit in the last couple hours, but I'm still ignorant of whether there is a way to correctly convert 'ó' from latin-1 to utf-8 and not mangle it. If there isn't, why would sqlite 'highly recommend' I switch my application to unicode strings? I'm going to update this question with a summary and some example code of everything I've learned in the last 24 hours so that someone in my shoes can have an easy(er) guide. If the information I post is wrong or misleading in any way please tell me and I'll update, or one of you senior guys can update. Summary of answers Let me first state the goal as I understand it. The goal in processing various encodings, if you are trying to convert between them, is to understand what your source encoding is, then convert it to unicode using that source encoding, then convert it to your desired encoding. Unicode is a base and encodings are mappings of subsets of that base. utf_8 has room for every character in unicode, but because they aren't in the same place as, for instance, latin_1, a string encoded in utf_8 and sent to a latin_1 console will not look the way you expect. In python the process of getting to unicode and into another encoding looks like: str.decode('source_encoding').encode('desired_encoding') or if the str is already in unicode str.encode('desired_encoding') For sqlite I didn't actually want to encode it again, I wanted to decode it and leave it in unicode format. Here are four things you might need to be aware of as you try to work with unicode and encodings in python. The encoding of the string you want to work with, and the encoding you want to get it to. The system encoding. The console encoding. The encoding of the source file Elaboration: (1) When you read a string from a source, it must have some encoding, like latin_1 or utf_8. In my case, I'm getting strings from filenames, so unfortunately, I could be getting any kind of encoding. Windows XP uses UCS-2 (a Unicode system) as its native string type, which seems like cheating to me. Fortunately for me, the characters in most filenames are not going to be made up of more than one source encoding type, and I think all of mine were either completely latin_1, completely utf_8, or just plain ascii (which is a subset of both of those). So I just read them and decoded them as if they were still in latin_1 or utf_8. It's possible, though, that you could have latin_1 and utf_8 and whatever other characters mixed together in a filename on Windows. Sometimes those characters can show up as boxes, other times they just look mangled, and other times they look correct (accented characters and whatnot). Moving on. (2) Python has a default system encoding that gets set when python starts and can't be changed during runtime. See here for details. Dirty summary ... well here's the file I added: \# sitecustomize.py \# this file can be anywhere in your Python path, \# but it usually goes in ${pythondir}/lib/site-packages/ import sys sys.setdefaultencoding('utf_8') This system encoding is the one that gets used when you use the unicode("str") function without any other encoding parameters. To say that another way, python tries to decode "str" to unicode based on the default system encoding. (3) If you're using IDLE or the command-line python, I think that your console will display according to the default system encoding. I am using pydev with eclipse for some reason, so I had to go into my project settings, edit the launch configuration properties of my test script, go to the Common tab, and change the console from latin-1 to utf-8 so that I could visually confirm what I was doing was working. (4) If you want to have some test strings, eg test_str = "ó" in your source code, then you will have to tell python what kind of encoding you are using in that file. (FYI: when I mistyped an encoding I had to ctrl-Z because my file became unreadable.) This is easily accomplished by putting a line like so at the top of your source code file: # -*- coding: utf_8 -*- If you don't have this information, python attempts to parse your code as ascii by default, and so: SyntaxError: Non-ASCII character '\xf3' in file _redacted_ on line 81, but no encoding declared; see http://www.python.org/peps/pep-0263.html for details Once your program is working correctly, or, if you aren't using python's console or any other console to look at output, then you will probably really only care about #1 on the list. System default and console encoding are not that important unless you need to look at output and/or you are using the builtin unicode() function (without any encoding parameters) instead of the string.decode() function. I wrote a demo function I will paste into the bottom of this gigantic mess that I hope correctly demonstrates the items in my list. Here is some of the output when I run the character 'ó' through the demo function, showing how various methods react to the character as input. My system encoding and console output are both set to utf_8 for this run: '?' = original char <type 'str'> repr(char)='\xf3' '?' = unicode(char) ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data 'ó' = char.decode('latin_1') <type 'unicode'> repr(char.decode('latin_1'))=u'\xf3' '?' = char.decode('utf_8') ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data Now I will change the system and console encoding to latin_1, and I get this output for the same input: 'ó' = original char <type 'str'> repr(char)='\xf3' 'ó' = unicode(char) <type 'unicode'> repr(unicode(char))=u'\xf3' 'ó' = char.decode('latin_1') <type 'unicode'> repr(char.decode('latin_1'))=u'\xf3' '?' = char.decode('utf_8') ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data Notice that the 'original' character displays correctly and the builtin unicode() function works now. Now I change my console output back to utf_8. '?' = original char <type 'str'> repr(char)='\xf3' '?' = unicode(char) <type 'unicode'> repr(unicode(char))=u'\xf3' '?' = char.decode('latin_1') <type 'unicode'> repr(char.decode('latin_1'))=u'\xf3' '?' = char.decode('utf_8') ERROR: 'utf8' codec can't decode byte 0xf3 in position 0: unexpected end of data Here everything still works the same as last time but the console can't display the output correctly. Etc. The function below also displays more information that this and hopefully would help someone figure out where the gap in their understanding is. I know all this information is in other places and more thoroughly dealt with there, but I hope that this would be a good kickoff point for someone trying to get coding with python and/or sqlite. Ideas are great but sometimes source code can save you a day or two of trying to figure out what functions do what. Disclaimers: I'm no encoding expert, I put this together to help my own understanding. I kept building on it when I should have probably started passing functions as arguments to avoid so much redundant code, so if I can I'll make it more concise. Also, utf_8 and latin_1 are by no means the only encoding schemes, they are just the two I was playing around with because I think they handle everything I need. Add your own encoding schemes to the demo function and test your own input. One more thing: there are apparently crazy application developers making life difficult in Windows. #!/usr/bin/env python # -*- coding: utf_8 -*- import os import sys def encodingDemo(str): validStrings = () try: print "str =",str,"{0} repr(str) = {1}".format(type(str), repr(str)) validStrings += ((str,""),) except UnicodeEncodeError as ude: print "Couldn't print the str itself because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t", print ude try: x = unicode(str) print "unicode(str) = ",x validStrings+= ((x, " decoded into unicode by the default system encoding"),) except UnicodeDecodeError as ude: print "ERROR. unicode(str) couldn't decode the string because the system encoding is set to an encoding that doesn't understand some character in the string." print "\tThe system encoding is set to {0}. See error:\n\t".format(sys.getdefaultencoding()), print ude except UnicodeEncodeError as uee: print "ERROR. Couldn't print the unicode(str) because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t", print uee try: x = str.decode('latin_1') print "str.decode('latin_1') =",x validStrings+= ((x, " decoded with latin_1 into unicode"),) try: print "str.decode('latin_1').encode('utf_8') =",str.decode('latin_1').encode('utf_8') validStrings+= ((x, " decoded with latin_1 into unicode and encoded into utf_8"),) except UnicodeDecodeError as ude: print "The string was decoded into unicode using the latin_1 encoding, but couldn't be encoded into utf_8. See error:\n\t", print ude except UnicodeDecodeError as ude: print "Something didn't work, probably because the string wasn't latin_1 encoded. See error:\n\t", print ude except UnicodeEncodeError as uee: print "ERROR. Couldn't print the str.decode('latin_1') because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t", print uee try: x = str.decode('utf_8') print "str.decode('utf_8') =",x validStrings+= ((x, " decoded with utf_8 into unicode"),) try: print "str.decode('utf_8').encode('latin_1') =",str.decode('utf_8').encode('latin_1') except UnicodeDecodeError as ude: print "str.decode('utf_8').encode('latin_1') didn't work. The string was decoded into unicode using the utf_8 encoding, but couldn't be encoded into latin_1. See error:\n\t", validStrings+= ((x, " decoded with utf_8 into unicode and encoded into latin_1"),) print ude except UnicodeDecodeError as ude: print "str.decode('utf_8') didn't work, probably because the string wasn't utf_8 encoded. See error:\n\t", print ude except UnicodeEncodeError as uee: print "ERROR. Couldn't print the str.decode('utf_8') because the console is set to an encoding that doesn't understand some character in the string. See error:\n\t",uee print print "Printing information about each character in the original string." for char in str: try: print "\t'" + char + "' = original char {0} repr(char)={1}".format(type(char), repr(char)) except UnicodeDecodeError as ude: print "\t'?' = original char {0} repr(char)={1} ERROR PRINTING: {2}".format(type(char), repr(char), ude) except UnicodeEncodeError as uee: print "\t'?' = original char {0} repr(char)={1} ERROR PRINTING: {2}".format(type(char), repr(char), uee) print uee try: x = unicode(char) print "\t'" + x + "' = unicode(char) {1} repr(unicode(char))={2}".format(x, type(x), repr(x)) except UnicodeDecodeError as ude: print "\t'?' = unicode(char) ERROR: {0}".format(ude) except UnicodeEncodeError as uee: print "\t'?' = unicode(char) {0} repr(char)={1} ERROR PRINTING: {2}".format(type(x), repr(x), uee) try: x = char.decode('latin_1') print "\t'" + x + "' = char.decode('latin_1') {1} repr(char.decode('latin_1'))={2}".format(x, type(x), repr(x)) except UnicodeDecodeError as ude: print "\t'?' = char.decode('latin_1') ERROR: {0}".format(ude) except UnicodeEncodeError as uee: print "\t'?' = char.decode('latin_1') {0} repr(char)={1} ERROR PRINTING: {2}".format(type(x), repr(x), uee) try: x = char.decode('utf_8') print "\t'" + x + "' = char.decode('utf_8') {1} repr(char.decode('utf_8'))={2}".format(x, type(x), repr(x)) except UnicodeDecodeError as ude: print "\t'?' = char.decode('utf_8') ERROR: {0}".format(ude) except UnicodeEncodeError as uee: print "\t'?' = char.decode('utf_8') {0} repr(char)={1} ERROR PRINTING: {2}".format(type(x), repr(x), uee) print x = 'ó' encodingDemo(x) Much thanks for the answers below and especially to @John Machin for answering so thoroughly.

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• Streamed mp3 only plays for 1 second

  - by angel6

  Hi, I'm using the plaympeg.c (modified) code of smpeg as a media player. I've got ffserver running as a streaming server. I'm a streaming an mp3 file over http. But when I run plaympeg.c, it plays the streamed file only for a second. When I run plaympeg again, it starts off from where it left and plays for 1 second. Does anyone know why this happens an how to fix it? I've tested it out on WMP and it plays the entire file in one go. So, i guess it's not a problem with the streaming or ffserver.conf include include include include /* #ifdef unix */ include include include include include include include define NET_SUPPORT /* General network support */ define HTTP_SUPPORT /* HTTP support */ ifdef NET_SUPPORT include include include include endif include "smpeg.h" ifdef NET_SUPPORT int tcp_open(char * address, int port) { struct sockaddr_in stAddr; struct hostent * host; int sock; struct linger l; memset(&stAddr,0,sizeof(stAddr)); stAddr.sin_family = AF_INET ; stAddr.sin_port = htons(port); if((host = gethostbyname(address)) == NULL) return(0); stAddr.sin_addr = *((struct in_addr *) host-h_addr_list[0]) ; if((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) return(0); l.l_onoff = 1; l.l_linger = 5; if(setsockopt(sock, SOL_SOCKET, SO_LINGER, (char*) &l, sizeof(l)) < 0) return(0); if(connect(sock, (struct sockaddr *) &stAddr, sizeof(stAddr)) < 0) return(0); return(sock); } ifdef HTTP_SUPPORT int http_open(char * arg) { char * host; int port; char * request; int tcp_sock; char http_request[1024]; char c; printf("\nin http_open passed parameter = %s\n",arg); /* Check for URL syntax */ if(strncmp(arg, "http://", strlen("http://"))) return(0); /* Parse URL */ port = 80; host = arg + strlen("http://"); if((request = strchr(host, '/')) == NULL) return(0); request++ = 0; if(strchr(host, ':') != NULL) / port is specified */ { port = atoi(strchr(host, ':') + 1); *strchr(host, ':') = 0; } /* Open a TCP socket */ if(!(tcp_sock = tcp_open(host, port))) { perror("http_open"); return(0); } /* Send HTTP GET request */ sprintf(http_request, "GET /%s HTTP/1.0\r\n" "User-Agent: Mozilla/2.0 (Win95; I)\r\n" "Pragma: no-cache\r\n" "Host: %s\r\n" "Accept: /\r\n" "\r\n", request, host); send(tcp_sock, http_request, strlen(http_request), 0); /* Parse server reply */ do read(tcp_sock, &c, sizeof(char)); while(c != ' '); read(tcp_sock, http_request, 4*sizeof(char)); http_request[4] = 0; if(strcmp(http_request, "200 ")) { fprintf(stderr, "http_open: "); do { read(tcp_sock, &c, sizeof(char)); fprintf(stderr, "%c", c); } while(c != '\r'); fprintf(stderr, "\n"); return(0); } return(tcp_sock); } endif endif void update(SDL_Surface *screen, Sint32 x, Sint32 y, Uint32 w, Uint32 h) { if ( screen-flags & SDL_DOUBLEBUF ) { SDL_Flip(screen); } } /* Flag telling the UI that the movie or song should be skipped */ int done; void next_movie(int sig) { done = 1; } int main(int argc, char *argv[]) { int use_audio, use_video; int fullscreen; int scalesize; int scale_width, scale_height; int loop_play; int i, pause; int volume; Uint32 seek; float skip; int bilinear_filtering; SDL_Surface *screen; SMPEG *mpeg; SMPEG_Info info; char *basefile; SDL_version sdlver; SMPEG_version smpegver; int fd; char buf[32]; int status; printf("\nchecking command line options "); /* Get the command line options */ use_audio = 1; use_video = 1; fullscreen = 0; scalesize = 1; scale_width = 0; scale_height = 0; loop_play = 0; volume = 100; seek = 0; skip = 0; bilinear_filtering = 0; fd = 0; for ( i=1; argv[i] && (argv[i][0] == '-') && (argv[i][1] != 0); ++i ) { if ( strcmp(argv[i], "--fullscreen") == 0 ) { fullscreen = 1; } else if ((strcmp(argv[i], "--seek") == 0)||(strcmp(argv[i], "-S") == 0)) { ++i; if ( argv[i] ) { seek = atol(argv[i]); } } else if ((strcmp(argv[i], "--volume") == 0)||(strcmp(argv[i], "-v") == 0)) { ++i; if (i >= argc) { fprintf(stderr, "Please specify volume when using --volume or -v\n"); return(1); } if ( argv[i] ) { volume = atoi(argv[i]); } if ( ( volume < 0 ) || ( volume 100 ) ) { fprintf(stderr, "Volume must be between 0 and 100\n"); volume = 100; } } else { fprintf(stderr, "Warning: Unknown option: %s\n", argv[i]); } } printf("\nuse video = %d, use audio = %d\n",use_video, use_audio); printf("\ngoing to check input parameters\n"); if defined(linux) || defined(FreeBSD) /* Plaympeg doesn't need a mouse */ putenv("SDL_NOMOUSE=1"); endif /* Play the mpeg files! */ status = 0; for ( ; argv[i]; ++i ) { /* Initialize SDL */ if ( use_video ) { if ((SDL_Init(SDL_INIT_VIDEO) < 0) || !SDL_VideoDriverName(buf, 1)) { fprintf(stderr, "Warning: Couldn't init SDL video: %s\n", SDL_GetError()); fprintf(stderr, "Will ignore video stream\n"); use_video = 0; } printf("\ninitialised video\n"); } if ( use_audio ) { if ((SDL_Init(SDL_INIT_AUDIO) < 0) || !SDL_AudioDriverName(buf, 1)) { fprintf(stderr, "Warning: Couldn't init SDL audio: %s\n", SDL_GetError()); fprintf(stderr, "Will ignore audio stream\n"); use_audio = 0; } } /* Allow Ctrl-C when there's no video output */ signal(SIGINT, next_movie); printf("\nchecking defined supports\n"); /* Create the MPEG stream */ ifdef NET_SUPPORT printf("\ndefined NET_SUPPORT\n"); ifdef HTTP_SUPPORT printf("\ndefined HTTP_SUPPORT\n"); /* Check if source is an http URL */ printf("\nabout to call http_open\n"); printf("\nhere we go\n"); if((fd = http_open(argv[i])) != 0) mpeg = SMPEG_new_descr(fd, &info, use_audio); else endif endif { if(strcmp(argv[i], "-") == 0) /* Use stdin for input */ mpeg = SMPEG_new_descr(0, &info, use_audio); else mpeg = SMPEG_new(argv[i], &info, use_audio); } if ( SMPEG_error(mpeg) ) { fprintf(stderr, "%s: %s\n", argv[i], SMPEG_error(mpeg)); SMPEG_delete(mpeg); status = -1; continue; } SMPEG_enableaudio(mpeg, use_audio); SMPEG_enablevideo(mpeg, use_video); SMPEG_setvolume(mpeg, volume); /* Print information about the video */ basefile = strrchr(argv[i], '/'); if ( basefile ) { ++basefile; } else { basefile = argv[i]; } if ( info.has_audio && info.has_video ) { printf("%s: MPEG system stream (audio/video)\n", basefile); } else if ( info.has_audio ) { printf("%s: MPEG audio stream\n", basefile); } else if ( info.has_video ) { printf("%s: MPEG video stream\n", basefile); } if ( info.has_video ) { printf("\tVideo %dx%d resolution\n", info.width, info.height); } if ( info.has_audio ) { printf("\tAudio %s\n", info.audio_string); } if ( info.total_size ) { printf("\tSize: %d\n", info.total_size); } if ( info.total_time ) { printf("\tTotal time: %f\n", info.total_time); } /* Set up video display if needed */ if ( info.has_video && use_video ) { const SDL_VideoInfo *video_info; Uint32 video_flags; int video_bpp; int width, height; /* Get the "native" video mode */ video_info = SDL_GetVideoInfo(); switch (video_info->vfmt->BitsPerPixel) { case 16: case 24: case 32: video_bpp = video_info->vfmt->BitsPerPixel; break; default: video_bpp = 16; break; } if ( scale_width ) { width = scale_width; } else { width = info.width; } width *= scalesize; if ( scale_height ) { height = scale_height; } else { height = info.height; } height *= scalesize; video_flags = SDL_SWSURFACE; if ( fullscreen ) { video_flags = SDL_FULLSCREEN|SDL_DOUBLEBUF|SDL_HWSURFACE; } video_flags |= SDL_ASYNCBLIT; video_flags |= SDL_RESIZABLE; screen = SDL_SetVideoMode(width, height, video_bpp, video_flags); if ( screen == NULL ) { fprintf(stderr, "Unable to set %dx%d video mode: %s\n", width, height, SDL_GetError()); continue; } SDL_WM_SetCaption(argv[i], "plaympeg"); if ( screen->flags & SDL_FULLSCREEN ) { SDL_ShowCursor(0); } SMPEG_setdisplay(mpeg, screen, NULL, update); SMPEG_scaleXY(mpeg, screen->w, screen->h); } else { SDL_QuitSubSystem(SDL_INIT_VIDEO); } /* Set any special playback parameters */ if ( loop_play ) { SMPEG_loop(mpeg, 1); } /* Seek starting position */ if(seek) SMPEG_seek(mpeg, seek); /* Skip seconds to starting position */ if(skip) SMPEG_skip(mpeg, skip); /* Play it, and wait for playback to complete */ SMPEG_play(mpeg); done = 0; pause = 0; while ( ! done && ( pause || (SMPEG_status(mpeg) == SMPEG_PLAYING) ) ) { SDL_Event event; while ( use_video && SDL_PollEvent(&event) ) { switch (event.type) { case SDL_VIDEORESIZE: { SDL_Surface *old_screen = screen; SMPEG_pause(mpeg); screen = SDL_SetVideoMode(event.resize.w, event.resize.h, screen->format->BitsPerPixel, screen->flags); if ( old_screen != screen ) { SMPEG_setdisplay(mpeg, screen, NULL, update); } SMPEG_scaleXY(mpeg, screen-w, screen-h); SMPEG_pause(mpeg); } break; case SDL_KEYDOWN: if ( (event.key.keysym.sym == SDLK_ESCAPE) || (event.key.keysym.sym == SDLK_q) ) { // Quit done = 1; } else if ( event.key.keysym.sym == SDLK_RETURN ) { // toggle fullscreen if ( event.key.keysym.mod & KMOD_ALT ) { SDL_WM_ToggleFullScreen(screen); fullscreen = (screen-flags & SDL_FULLSCREEN); SDL_ShowCursor(!fullscreen); } } else if ( event.key.keysym.sym == SDLK_UP ) { // Volume up if ( volume < 100 ) { if ( event.key.keysym.mod & KMOD_SHIFT ) { // 10+ volume += 10; } else if ( event.key.keysym.mod & KMOD_CTRL ) { // 100+ volume = 100; } else { // 1+ volume++; } if ( volume 100 ) volume = 100; SMPEG_setvolume(mpeg, volume); } } else if ( event.key.keysym.sym == SDLK_DOWN ) { // Volume down if ( volume 0 ) { if ( event.key.keysym.mod & KMOD_SHIFT ) { volume -= 10; } else if ( event.key.keysym.mod & KMOD_CTRL ) { volume = 0; } else { volume--; } if ( volume < 0 ) volume = 0; SMPEG_setvolume(mpeg, volume); } } else if ( event.key.keysym.sym == SDLK_PAGEUP ) { // Full volume volume = 100; SMPEG_setvolume(mpeg, volume); } else if ( event.key.keysym.sym == SDLK_PAGEDOWN ) { // Volume off volume = 0; SMPEG_setvolume(mpeg, volume); } else if ( event.key.keysym.sym == SDLK_SPACE ) { // Toggle play / pause if ( SMPEG_status(mpeg) == SMPEG_PLAYING ) { SMPEG_pause(mpeg); pause = 1; } else { SMPEG_play(mpeg); pause = 0; } } else if ( event.key.keysym.sym == SDLK_RIGHT ) { // Forward if ( event.key.keysym.mod & KMOD_SHIFT ) { SMPEG_skip(mpeg, 100); } else if ( event.key.keysym.mod & KMOD_CTRL ) { SMPEG_skip(mpeg, 50); } else { SMPEG_skip(mpeg, 5); } } else if ( event.key.keysym.sym == SDLK_LEFT ) { // Reverse if ( event.key.keysym.mod & KMOD_SHIFT ) { } else if ( event.key.keysym.mod & KMOD_CTRL ) { } else { } } else if ( event.key.keysym.sym == SDLK_KP_MINUS ) { // Scale minus if ( scalesize > 1 ) { scalesize--; } } else if ( event.key.keysym.sym == SDLK_KP_PLUS ) { // Scale plus scalesize++; } else if ( event.key.keysym.sym == SDLK_f ) { // Toggle filtering on/off if ( bilinear_filtering ) { SMPEG_Filter *filter = SMPEGfilter_null(); filter = SMPEG_filter( mpeg, filter ); filter-destroy(filter); bilinear_filtering = 0; } else { SMPEG_Filter *filter = SMPEGfilter_bilinear(); filter = SMPEG_filter( mpeg, filter ); filter-destroy(filter); bilinear_filtering = 1; } } break; case SDL_QUIT: done = 1; break; default: break; } } SDL_Delay(1000/2); } SMPEG_delete(mpeg); } SDL_Quit(); if defined(HTTP_SUPPORT) if(fd) close(fd); endif return(status); }

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• Spam Activity From my computer

  - by Bnymn

  I'm using Ubuntu 12.04 64bit. I'm using HTTP proxy over ssh as mentioned here. If I do not start TinyProxy, everything is OK. But, when I start TinyProxy, I'm getting the following. I think there is an application running on my machine and watching the proxy to start. But I could not decide which one it could be. ps ax PID TTY STAT TIME COMMAND 1 ? Ss 0:01 /sbin/init 2 ? S 0:00 [kthreadd] 3 ? S 0:00 [ksoftirqd/0] 6 ? S 0:00 [migration/0] 7 ? S 0:00 [watchdog/0] 21 ? S< 0:00 [cpuset] 22 ? S< 0:00 [khelper] 23 ? S 0:00 [kdevtmpfs] 24 ? S< 0:00 [netns] 26 ? S 0:00 [sync_supers] 27 ? S 0:00 [bdi-default] 28 ? S< 0:00 [kintegrityd] 29 ? S< 0:00 [kblockd] 30 ? S< 0:00 [ata_sff] 31 ? S 0:00 [khubd] 32 ? S< 0:00 [md] 34 ? S 0:00 [khungtaskd] 35 ? S 0:00 [kswapd0] 36 ? SN 0:00 [ksmd] 37 ? SN 0:00 [khugepaged] 38 ? S 0:00 [fsnotify_mark] 39 ? S 0:00 [ecryptfs-kthrea] 40 ? S< 0:00 [crypto] 48 ? S< 0:00 [kthrotld] 49 ? S 0:00 [scsi_eh_0] 50 ? S 0:00 [scsi_eh_1] 51 ? S 0:00 [scsi_eh_2] 52 ? S 0:00 [scsi_eh_3] 75 ? S< 0:00 [devfreq_wq] 240 ? S< 0:00 [xfs_mru_cache] 241 ? S< 0:00 [xfslogd] 242 ? S< 0:00 [xfsdatad] 243 ? S< 0:00 [xfsconvertd] 245 ? S 0:00 [xfsbufd/sda3] 246 ? S 0:01 [xfsaild/sda3] 330 ? S 0:00 upstart-udev-bridge --daemon 333 ? Ss 0:00 /sbin/udevd --daemon 472 ? S< 0:00 [cfg80211] 479 ? S< 0:00 [kpsmoused] 671 ? S 0:00 upstart-socket-bridge --daemon 779 ? S 0:00 [xfsbufd/sda4] 781 ? S 0:01 [xfsaild/sda4] 785 ? S< 0:00 [ttm_swap] 800 ? S< 0:00 [hd-audio0] 803 ? S< 0:00 [hd-audio1] 857 ? Sl 0:00 rsyslogd -c5 869 ? Ss 0:04 dbus-daemon --system --fork --activation=upstart 881 ? Ss 0:00 /usr/sbin/modem-manager 883 ? Ss 0:00 /usr/sbin/bluetoothd 905 ? Ssl 0:02 NetworkManager 906 ? Ss 0:00 /usr/sbin/cupsd -F 910 ? Sl 0:02 /usr/lib/policykit-1/polkitd --no-debug 918 ? S 0:00 avahi-daemon: running [bunyamin-hp.local] 919 ? S 0:00 avahi-daemon: chroot helper 920 ? S< 0:00 [krfcommd] 956 ? Ss 0:00 /sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s -O /var/run/wpa_supplicant 980 tty4 Ss+ 0:00 /sbin/getty -8 38400 tty4 985 tty5 Ss+ 0:00 /sbin/getty -8 38400 tty5 1000 tty2 Ss+ 0:00 /sbin/getty -8 38400 tty2 1006 tty3 Ss+ 0:00 /sbin/getty -8 38400 tty3 1009 tty6 Ss+ 0:00 /sbin/getty -8 38400 tty6 1024 ? Ss 0:00 acpid -c /etc/acpi/events -s /var/run/acpid.socket 1025 ? Ss 0:00 atd 1026 ? Ss 0:00 cron 1029 ? Ss 0:01 /usr/sbin/irqbalance 1034 ? Ssl 0:00 whoopsie 1091 ? Ssl 0:00 lightdm 1216 tty1 Ss+ 0:00 /sbin/getty -8 38400 tty1 1224 ? Sl 0:00 /usr/lib/accountsservice/accounts-daemon 1241 ? Sl 0:00 /usr/sbin/console-kit-daemon --no-daemon 1356 ? Sl 0:00 /usr/lib/upower/upowerd 1447 ? Sl 0:00 /usr/lib/x86_64-linux-gnu/colord/colord 1539 ? SNl 0:00 /usr/lib/rtkit/rtkit-daemon 1723 ? Sl 0:00 /usr/lib/udisks/udisks-daemon 1724 ? S 0:00 udisks-daemon: not polling any devices 2077 ? Z 0:00 [lightdm] <defunct> 2433 ? Z 0:00 [lightdm] <defunct> 3491 ? S 0:00 [flush-8:0] 4023 ? S 0:00 [kworker/u:14] 4034 ? S 0:00 [migration/1] 4035 ? S 0:00 [kworker/1:3] 4036 ? S 0:00 [ksoftirqd/1] 4037 ? S 0:00 [watchdog/1] 4038 ? S 0:00 [migration/2] 4040 ? S 0:00 [ksoftirqd/2] 4041 ? S 0:00 [watchdog/2] 4042 ? S 0:00 [migration/3] 4043 ? S 0:00 [kworker/3:1] 4044 ? S 0:00 [ksoftirqd/3] 4045 ? S 0:00 [watchdog/3] 4047 ? S 0:00 [irq/43-mei] 4070 ? S 0:00 [kworker/3:0] 4072 ? S 0:00 [kworker/1:0] 4164 ? Ss 0:00 anacron -s 4549 tty7 Ss+ 1:13 /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch 4683 ? Sl 0:00 lightdm --session-child 12 47 4718 ? Sl 0:00 /usr/bin/gnome-keyring-daemon --daemonize --login 4729 ? Ssl 0:00 gnome-session --session=gnome-fallback 4765 ? Ss 0:00 /usr/bin/ssh-agent /usr/bin/dbus-launch --exit-with-session gnome-session --session=gnome-fallback 4768 ? S 0:00 /usr/bin/dbus-launch --exit-with-session gnome-session --session=gnome-fallback 4769 ? Ss 0:00 //bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session 4779 ? Sl 0:01 /usr/lib/gnome-settings-daemon/gnome-settings-daemon 4786 ? S 0:00 /usr/lib/gvfs/gvfsd 4788 ? Sl 0:00 /usr/lib/gvfs//gvfs-fuse-daemon -f /home/bunyamin/.gvfs 4797 ? Sl 0:00 /usr/lib/gnome-settings-daemon/gsd-printer 4799 ? Sl 0:03 metacity 4805 ? S 0:00 /usr/lib/x86_64-linux-gnu/gconf/gconfd-2 4811 ? Sl 0:10 gnome-panel 4814 ? S 0:00 syndaemon -i 2.0 -K -R -t 4819 ? S<l 0:00 /usr/bin/pulseaudio --start --log-target=syslog 4821 ? Sl 0:00 /usr/lib/dconf/dconf-service 4826 ? Sl 0:00 /usr/lib/gnome-settings-daemon/gnome-fallback-mount-helper 4828 ? Sl 0:06 nautilus -n 4830 ? Sl 0:02 nm-applet 4832 ? Sl 0:00 /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 4835 ? Sl 0:00 bluetooth-applet 4851 ? S 0:00 /usr/lib/pulseaudio/pulse/gconf-helper 4854 ? Sl 0:04 /usr/lib/indicator-applet/indicator-applet-complete 4859 ? S 0:00 /usr/lib/gvfs/gvfs-gdu-volume-monitor 4863 ? S 0:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor 4865 ? Sl 0:00 /usr/lib/gvfs/gvfs-afc-volume-monitor 4871 ? S 0:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.6 /org/gtk/gvfs/exec_spaw/0 4874 ? Sl 0:00 /usr/lib/indicator-application/indicator-application-service 4876 ? Sl 0:00 /usr/lib/indicator-datetime/indicator-datetime-service 4878 ? Sl 0:00 /usr/lib/indicator-messages/indicator-messages-service 4887 ? Sl 0:00 /usr/lib/indicator-printers/indicator-printers-service 4888 ? Sl 0:00 /usr/lib/indicator-session/indicator-session-service 4889 ? Sl 0:00 /usr/lib/indicator-sound/indicator-sound-service 4906 ? S 0:00 /usr/lib/geoclue/geoclue-master 4929 ? S 0:00 /usr/lib/ubuntu-geoip/ubuntu-geoip-provider 4938 ? Sl 0:11 /usr/lib/gnome-applets/multiload-applet-2 4939 ? Sl 0:01 /usr/lib/gnome-applets/cpufreq-applet 4953 ? S 0:00 /usr/lib/gvfs/gvfsd-metadata 4955 ? S 0:00 /usr/lib/gvfs/gvfsd-burn --spawner :1.6 /org/gtk/gvfs/exec_spaw/1 4957 ? Sl 3:22 /usr/lib/firefox/firefox 4973 ? Sl 0:00 /usr/lib/x86_64-linux-gnu/at-spi2-core/at-spi-bus-launcher 4997 ? Sl 0:00 /usr/lib/gnome-disk-utility/gdu-notification-daemon 5000 ? Sl 0:00 telepathy-indicator 5007 ? Sl 0:00 /usr/lib/telepathy/mission-control-5 5012 ? Sl 0:00 /usr/lib/gnome-online-accounts/goa-daemon 5018 ? Sl 0:00 gnome-screensaver 5019 ? Sl 0:01 zeitgeist-datahub 5025 ? Sl 0:00 /usr/bin/zeitgeist-daemon 5033 ? Sl 0:00 /usr/lib/zeitgeist/zeitgeist-fts 5041 ? S 0:00 /bin/cat 5052 ? Sl 0:08 /usr/bin/gnome-terminal -x /bin/sh -c '/home/bunyamin/Desktop/SSH Tunnel' 5058 ? S 0:00 gnome-pty-helper 5067 ? Sl 0:00 update-notifier 5090 ? S 0:00 /usr/bin/python /usr/lib/system-service/system-service-d 5130 ? Sl 0:00 /usr/lib/deja-dup/deja-dup/deja-dup-monitor 5135 ? S 0:00 /bin/sh -c nice run-parts --report /etc/cron.daily 5136 ? SN 0:00 run-parts --report /etc/cron.daily 5358 pts/4 Ss 0:00 bash 5482 ? S 0:00 [kworker/0:1] 5487 ? S 0:01 [kworker/2:0] 5550 ? Sl 1:15 /usr/lib/firefox/plugin-container /usr/lib/flashplugin-installer/libflashplayer.so -greomni /usr/lib/firefox/omni.ja 4957 true plugin 5717 ? S 0:00 /usr/lib/cups/notifier/dbus dbus:// 5824 ? SN 0:00 /bin/sh /etc/cron.daily/update-notifier-common 5825 ? SN 0:00 /usr/bin/python /usr/lib/update-notifier/package-data-downloader 5872 ? Sl 0:00 /usr/lib/notify-osd/notify-osd 5888 ? S 0:00 /sbin/udevd --daemon 5889 ? S 0:00 /sbin/udevd --daemon 5909 ? S 0:00 /sbin/dhclient -d -4 -sf /usr/lib/NetworkManager/nm-dhcp-client.action -pf /var/run/sendsigs.omit.d/network-manager.dhclient-eth1.pid -lf /var/lib/dhcp/dhclient-f5f0 5912 ? S 0:00 /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/sendsigs.omit.d/network-manager.dnsmasq.pid --listen-address=127. 5975 pts/1 Ss+ 0:00 /bin/sh -c '/home/bunyamin/Desktop/SSH Tunnel' 5976 pts/1 S+ 0:00 /bin/sh /home/bunyamin/Desktop/SSH Tunnel 5977 pts/1 S+ 0:00 ssh -p443 [email protected] -L 8000:127.0.0.1:8000 5980 ? Sl 0:00 /usr/lib/gvfs/gvfsd-http --spawner :1.6 /org/gtk/gvfs/exec_spaw/2 6034 ? S 0:00 [kworker/u:0] 6054 ? S 0:00 [kworker/2:2] 6070 ? S 0:00 [kworker/0:3] 6094 ? Sl 0:02 gedit /home/bunyamin/Desktop/a.html 6101 ? S 0:00 [kworker/0:2] 6130 pts/4 R+ 0:00 ps ax TinyProxy LOG connect to ad.adserverplus.com:80 mx1.u4gf.com - - [17/Oct/2012 07:38:53] "GET http://ad.tagjunction.com/imp?Z=160x600&s=2959021&T=3&_salt=1516586745&B=12&m=2&u=http%3A%2F%2Fsunshinefelling.com%2Findex.php%3Fview%3Darticle%26catid%3D45%253Aplus-size-dresses%26id%3D7512%253A2012-01-25-22-42-00%26format%3Dpdf%26option%3Dcom_content%26Itemid%3D101&r=1 HTTP/1.0" - - bye bye bye connect to ad.adserverplus.com:80 connect to ad.bharatstudent.com:80 connect to ad.yieldmanager.com:80 142.91.199.250.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/imp?Z=0x0&y=29&s=2913320&_salt=2228719469&B=12&m=2&r=1 HTTP/1.0" - - 173.208.94.117 - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/imp?Z=0x0&y=29&s=3187816&_salt=462045326&B=12&m=2&r=1 HTTP/1.0" - - mx1.a54m.com - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/imp?Z=300x250&s=2887338&T=3&_salt=2925281520&B=12&m=2&u=http%3A%2F%2Fsecretskirt.com%2Findex.php%3Foption%3Dcom_contact%26view%3Dcontact%26id%3D1%26Itemid%3D95&r=1 HTTP/1.0" - - 108.62.75.54.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=300x250&s=3218437&T=3&_salt=2939054384&B=12&m=2&u=http%3A%2F%2Fwww.vifinances.com%2Ffinance-investing%2Finsurance-investment%2Fis-life-insurance-investment-necessarily-the-way-to-go.html&r=1 HTTP/1.0" - - connect to ad.yieldmanager.com:80 connect to ad.globe7.com:80 bye connect to ad.globe7.com:80 connect to ad.globe7.com:80 bye 173.208.94.22 - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=728x90&s=2922824&T=3&_salt=705371051&B=12&m=2&u=%3A%2F%2Fsunshinefelling.com%2Findex.php%3Fview%3Darticle%26catid%3D44%3Amature-womens-fashion%26id%3D6917%3A2012-01-25-22-37-27%26tmpl%3Dcomponent%26print%3D1%26layout%3Ddefault%26page%3D&r=1 HTTP/1.0" - - bye 23.19.10.44.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.globe7.com/st?ad_type=iframe&ad_size=160x600&section=3512129&pub_url=${PUB_URL} HTTP/1.0" - - connect to ad.yieldmanager.com:80 bye 142.91.189.27.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.globe7.com/imp?Z=0x0&y=29&s=3660215&_salt=2921537966&B=12&m=2&r=1 HTTP/1.0" - - connect to ad.scanmedios.com:80 bye 142.91.217.158.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.globaltakeoff.net/st?ad_type=iframe&ad_size=160x600&section=2077929&pub_url=${PUB_URL} HTTP/1.0" - - 23.19.76.194.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=728x90&s=3127996&T=3&_salt=1952612979&B=12&m=2&u=http%3A%2F%2Fwww.oseey.com%2Fpure-core-watch%2Fcarbon-fiber-watch%2Fcarbon-monoxide-poisoning-awareness.html&r=1 HTTP/1.0" - - mx1.e6sb.com - - [17/Oct/2012 07:38:53] "GET http://ad.scanmedios.com/imp?Z=728x90&s=3522638&T=3&_salt=3444993091&B=12&m=2&u=http%3A%2F%2Fsunshinefelling.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D6013%3A2012-01-25-22-25-54%26catid%3D40%3Abig-beautiful-women-fashion%26Itemid%3D96&r=1 HTTP/1.0" - - connect to ad.tagjunction.com:80 connect to ad.yieldmanager.com:80 bye connect to ad.yieldmanager.com:80 23.19.76.154.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/st?ad_type=iframe&ad_size=300x250&section=2569393 HTTP/1.0" - - connect to ads.creafi-online-media.com:80 bye 108.62.109.115.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=0x0&y=29&s=3315330&_salt=2385926515&B=12&m=2&r=1 HTTP/1.0" - - 142.91.217.214.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=160x600&s=3634166&T=3&_salt=1590442300&B=12&m=2&u=http%3A%2F%2Fwealthterritory.com%2Findex.php%3Foption%3Dcom_mailto%26tmpl%3Dcomponent%26link%3DaHR0cDovL3dlYWx0aHRlcnJpdG9yeS5jb20vaW5kZXgucGhwP29wdGlvbj1jb21fY29udGVudCZ2aWV3PWFydGljbGUmaWQ9NDY2NDoyMDExLTA3LTA2LTEzLTI2LTUwJmNhdGlkPTQxOnNlcnZpY2VzJkl0ZW1pZ&r=1 HTTP/1.0" - - 108.62.185.184.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ads.creafi-online-media.com/imp?Z=728x90&s=2885766&T=3&_salt=107120374&B=12&m=2&u=http%3A%2F%2Feconomicccore.com%2Findex.php%3Foption%3Dcom_content%26view%3Dcategory%26layout%3Dblog%26id%3D48%26Itemid%3D98%26limitstart%3D45&r=1 HTTP/1.0" - - bye bye bye connect to ad.adserverplus.com:80 connect to ad.yieldmanager.com:80 connect to ad.tagjunction.com:80 bye 108.62.75.252.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/st?ad_type=iframe&ad_size=728x90&section=3213387&pub_url=${PUB_URL} HTTP/1.0" - - bye connect to ad.tagjunction.com:80 bye connect to ad.yieldmanager.com:80 173.208.94.29 - - [17/Oct/2012 07:38:53] "GET http://ad.tagjunction.com/st?ad_type=iframe&ad_size=728x90&section=3006024&pub_url=${PUB_URL} HTTP/1.0" - - 23.19.31.84.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=0x0&y=29&s=2586703&_salt=2905995697&B=12&m=2&r=1 HTTP/1.0" - - oxx-ef-Words.ipwagon.net - - [17/Oct/2012 07:38:53] "GET http://ad.tagjunction.com/imp?Z=0x0&y=29&s=3630499&_salt=4037530564&B=12&m=2&r=1 HTTP/1.0" - - 142.91.185.53.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.tagjunction.com/imp?Z=0x0&y=29&s=3512541&_salt=1134875077&B=12&m=2&r=1 HTTP/1.0" - - connect to ad.globe7.com:80 108.177.187.37.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=300x250&s=3168350&T=3&_salt=548860046&B=12&m=2&u=http%3A%2F%2Flifehealthyliving.com%2Findex.php%3Fview%3Darticle%26catid%3D34%253Ahealthy-food%26id%3D4681%253A2012-05-16-20-40-19%26tmpl%3Dcomponent%26print%3D1%26layout%3Ddefault%26page%3D%26option%3Dcom_content%26Itemid%3D53&r=1 HTTP/1.0" - - connect to ad.adserverplus.com:80 bye connect to ads.creafi-online-media.com:80 108.177.223.180.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/imp?Z=300x250&s=3331290&T=3&_salt=1270334669&B=12&m=2&u=http%3A%2F%2Fwww.vegls.com%2Faccident-attorneys-firms%2Fauto-accident-attorney%2Ffind-the-correct-auto-accident-attorney.html&r=1 HTTP/1.0" - - bye 142.91.185.38.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.globe7.com/st?ad_type=iframe&ad_size=160x600&section=818253 HTTP/1.0" - - connect to ad.yieldmanager.com:80 bye bye bye 108.62.75.230.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ads.creafi-online-media.com/st?ad_type=pop&ad_size=0x0&section=3323456&banned_pop_types=29&pop_times=1&pop_frequency=86400&pub_url=${PUB_URL} HTTP/1.0" - - connect to ad.adserverplus.com:80 bye connect to ad.adserverplus.com:80 bye 142.91.217.194.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=300x250&s=3068801&T=3&_salt=1246107431&B=12&m=2&u=http%3A%2F%2Fmoodoffashionandbeauty.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D756%3A2011-07-13-13-13-43%26catid%3D36%3Afashion-clothes%26Itemid%3D55&r=1 HTTP/1.0" - - connect to ad.smxchange.com:80 108.62.185.235.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/st?ad_type=iframe&ad_size=300x250&section=3307618&pub_url=${PUB_URL} HTTP/1.0" - - connect to ad.globe7.com:80 bye connect to ad.yieldmanager.com:80 bye bye connect to ad.adserverplus.com:80 connect to ad.yieldmanager.com:80 connect to ad.adserverplus.com:80 connect to ad.yieldmanager.com:80 108.177.168.183.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.globe7.com/imp?Z=300x250&s=3582877&T=3&_salt=3271923155&B=12&m=2&u=http%3A%2F%2Fwomenhealthroad.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D5780%3A2011-12-12-16-56-53%26catid%3D40%3Ahealth-issues%26Itemid%3D96&r=1 HTTP/1.0" - - 23.19.3.100.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=160x600&s=2895969&T=3&_salt=207805714&B=12&m=2&u=http%3A%2F%2Feconomicccore.com%2Findex.php%3Fview%3Darticle%26catid%3D46%253Aeconomic-news%26id%3D6079%253A2011-09-29-07-39-13%26format%3Dpdf%26option%3Dcom_content%26Itemid%3D96&r=1 HTTP/1.0" - - bye 142.91.199.212.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/st?ad_type=iframe&ad_size=300x250&section=2956039&pub_url=${PUB_URL} HTTP/1.0" - - bye 142.91.189.169.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=728x90&s=3004691&T=3&_salt=2747591679&B=12&m=2&u=http%3A%2F%2Fwww.qtsfinancial.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D5406%3Afinancial-statement-english-page%26catid%3D43%3Afinancial-analysis%26Itemid%3D99&r=1 HTTP/1.0" - - connect to ad.adserverplus.com:80 23.19.31.58.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=0x0&y=29&s=3323560&_salt=3172064457&B=12&m=2&r=1 HTTP/1.0" - - connect to ad.adserverplus.com:80 iei-ix-Words.ipwagon.net - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/imp?Z=728x90&s=3187813&T=3&_salt=1110944041&B=12&m=2&u=http%3A%2F%2Fwww.workinhouses.com%2Fhtml%2Fwallingford-ct-connecticuts-best-places-for-your-home.html&r=1 HTTP/1.0" - - connect to cookex.amp.yahoo.com:80 173.208.94.116 - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/st?ad_type=iframe&ad_size=300x250&section=3213592&pub_url=${PUB_URL} HTTP/1.0" - - bye bye connect to ad.yieldmanager.com:80 connect to ads.creafi-online-media.com:80 bye 108.62.75.99.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/imp?Z=160x600&s=2913321&T=3&_salt=333033369&B=12&m=2&u=http%3A%2F%2Ffashionstreetlight.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D28850%3A2011-12-20-12-59-39%26catid%3D45%3Afashion-accessories%26Itemid%3D101&r=1 HTTP/1.0" - - bye 142.91.217.208.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://cookex.amp.yahoo.com/v2/cexposer/SIG=18kthu27g/*http%3A//ad.yieldmanager.com/imp?Z=300x250&s=2682517&T=3&_salt=1378331643&B=12&m=2&u=http%3A%2F%2Fwww.economicwindows.com%2Findex.php%3Fview%3Darticle%26catid%3D40%253Afinancial-info%26id%3D3854%253A2011-07-06-13-25-37%26format%3Dpdf%26option%3Dcom_content%26Itemid%3D96&r=1 HTTP/1.0" - - bye bye bye 108.62.185.228.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=0x0&y=29&s=3315448&_salt=4241487555&B=12&m=2&r=1 HTTP/1.0" - - 108.62.185.220.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ads.creafi-online-media.com/st?ad_type=iframe&ad_size=728x90&section=3269968 HTTP/1.0" - - connect to ad.tagjunction.com:80 bye connect to ad.globe7.com:80 bye 142.91.185.47.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.tagjunction.com/st?ad_type=pop&ad_size=0x0&section=2958317&banned_pop_types=29&pop_times=1&pop_frequency=0&pub_url=${PUB_URL} HTTP/1.0" - - bye 108.177.168.183.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.globe7.com/imp?Z=160x600&s=3582877&T=3&_salt=1313872999&B=12&m=2&u=http%3A%2F%2Fwomenhealthroad.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D5753%3A2011-12-12-16-56-46%26catid%3D40%3Ahealth-issues%26Itemid%3D96&r=1 HTTP/1.0" - - connect to ad.tagjunction.com:80 bye connect to ad.globe7.com:80 bye connect to ad.adserverplus.com:80 108.62.75.53.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.tagjunction.com/imp?Z=300x250&s=3127172&T=3&_salt=2152278771&B=12&m=2&u=http%3A%2F%2Fwww.oslims.com%2Ffashion-coffee%2Ffashion-slimming-coffee%2Fso-whats-your-poison-coffee-or-tea.html&r=1 HTTP/1.0" - - connect to ad.yieldmanager.com:80 bye bye 108.62.75.170.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/imp?Z=0x0&y=29&s=2909210&_salt=1773835502&B=12&m=2&r=1 HTTP/1.0" - - 23.19.79.3.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.globe7.com/st?ad_type=iframe&ad_size=728x90&section=3571505&pub_url=${PUB_URL} HTTP/1.0" - - 142.91.217.216.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=160x600&s=3630472&T=3&_salt=462936220&B=12&m=2&u=http%3A%2F%2Fwww.economicwindows.com%2Findex.php%3Fview%3Darticle%26catid%3D41%253Afinancial-services%26id%3D4854%253A2011-07-06-13-26-56%26tmpl%3Dcomponent%26print%3D1%26layout%3Ddefault%26page%3D%26option%3Dcom_content%26Itemid%3D97&r=1 HTTP/1.0" - - connect to ad.yieldmanager.com:80 connect to ad.adserverplus.com:80 connect to ad.yieldmanager.com:80 bye connect to ad.yieldmanager.com:80 bye connect to ad.yieldmanager.com:80 142.91.189.176.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=160x600&s=3187822&T=3&_salt=325267799&B=12&m=2&u=http%3A%2F%2Feconomysea.com%2Findex.php%3Foption%3Dcom_mailto%26tmpl%3Dcomponent%26link%3DaHR0cDovL2Vjb25vbXlzZWEuY29tL2luZGV4LnBocD9vcHRpb249Y29tX2NvbnRlbnQmdmlldz1hcnRpY2xlJmlkPTYzNDk6MjAxMS0wOS0yOC0yMC0wNC0xOSZjYXRpZD00NzplY29ub21pYy1uZXdzJkl0ZW1pZD05Nw&r=1 HTTP/1.0" - - connect to ad.adserverplus.com:80 142.91.190.240.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=160x600&s=2956040&T=3&_salt=3354730349&B=12&m=2&u=http%3A%2F%2Fdomarketings.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D279%3AWhy-Contractor-Leads-Are-Best-For-Getting-Ideal-Construction-Prospects%26catid%3D2%3Abusiness&r=1 HTTP/1.0" - - bye 108.62.75.6.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=160x600&s=3323456&T=3&_salt=1244915826&B=12&m=2&u=http%3A%2F%2Fdomarketings.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D989%3AThe-Basics-of-Failure-Mode-and-Effective-Analysis%26catid%3D2%3Abusiness&r=1 HTTP/1.0" - - bye 142.91.217.220.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=728x90&s=2921135&T=3&_salt=1337464905&B=12&m=2&u=http%3A%2F%2Financezone.com%2Findex.php%3Foption%3Dcom_content%26view%3Darticle%26id%3D7236%3A2011-09-05-19-56-54%26catid%3D49%3Acareer-banking%26Itemid%3D99&r=1 HTTP/1.0" - - bye connect to ad.yieldmanager.com:80 108.62.178.229.rdns.ubiquityservers.com - - [17/Oct/2012 07:38:53] "GET http://ad.adserverplus.com/st?ad_type=iframe&ad_size=160x600&section=3168350&pub_url=${PUB_URL} HTTP/1.0" - - connect to ad.yieldmanager.com:80 108.177.168.187.rdns.ubiquity.io - - [17/Oct/2012 07:38:53] "GET http://ad.smxchange.com/st?ad_type=iframe&ad_size=300x250&section=3285387&pop_nofreqcap=1&pub_url=${PUB_URL} HTTP/1.0" - - skg-wr-Words.ipwagon.net - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=0x0&y=29&s=3153972&_salt=3512711469&B=12&m=2&r=1 HTTP/1.0" - - bye connect to ad.yieldmanager.com:80 bye connect to ad.yieldmanager.com:80 mx1.u4gf.com - - [17/Oct/2012 07:38:53] "GET http://ad.yieldmanager.com/imp?Z=160x600&s=2959021&T=3&_salt=1516586745&B=12&m=2&u=http%3A%2F%2Fsunshinefelling.com%2Findex.php%3Fview%3Darticle%26catid%3D45%253Aplus-size-dresses%26id%3D7512%253A2012-01-25-22-42-00%26format%3Dpdf%26option%3Dcom_content%26Itemid%3D101&r=1 HTTP/1.0" - -

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• My linux server takes more than an hour to boot. Suggestions?

  - by jamieb

  I am building a CentOS 5.4 system that boots off a compact flash card using a card reader that emulates an IDE drive. It literally takes about an hour to boot. The ultra-slow part occurs when Grub is loading the kernel. Once that's done, the rest of the boot process only takes about a minute to get to a login prompt. Does anyone have any suggestions? I suspect that it may have to do with UDMA. Everything IDE-related in my BIOS seems to checkout. The read performance hdparm is telling me 1.77 MB/s. Ouch! (But even at that rate, it still shouldn't take an hour to decompress and load the kernel) [root@server ~]# hdparm -tT /dev/hdc /dev/hdc: Timing cached reads: 2444 MB in 2.00 seconds = 1222.04 MB/sec Timing buffered disk reads: 6 MB in 3.39 seconds = 1.77 MB/sec Trying to enable DMA is a no-go though: [root@server ~]# hdparm -d1 /dev/hdc /dev/hdc: setting using_dma to 1 (on) HDIO_SET_DMA failed: Operation not permitted using_dma = 0 (off) Here's some command outputs that might help: System [root@server ~]# uname -a Linux server.localdomain 2.6.18-164.el5xen #1 SMP Thu Sep 3 04:47:32 EDT 2009 i686 i686 i386 GNU/Linux PCI info: [root@server ~]# lspci -v 00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02) Subsystem: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub Flags: bus master, fast devsel, latency 0 Capabilities: [e0] Vendor Specific Information 00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller]) Subsystem: Intel Corporation 82945G/GZ Integrated Graphics Controller Flags: bus master, fast devsel, latency 0, IRQ 10 Memory at fdf00000 (32-bit, non-prefetchable) [size=512K] I/O ports at ff00 [size=8] Memory at d0000000 (32-bit, prefetchable) [size=256M] Memory at fdf80000 (32-bit, non-prefetchable) [size=256K] Capabilities: [90] Message Signalled Interrupts: 64bit- Queue=0/0 Enable- Capabilities: [d0] Power Management version 2 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 01) (prog-if 00 [UHCI]) Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 Flags: bus master, medium devsel, latency 0, IRQ 16 I/O ports at fe00 [size=32] 00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 01) (prog-if 00 [UHCI]) Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 Flags: bus master, medium devsel, latency 0, IRQ 17 I/O ports at fd00 [size=32] 00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 01) (prog-if 00 [UHCI]) Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 Flags: bus master, medium devsel, latency 0, IRQ 18 I/O ports at fc00 [size=32] 00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 01) (prog-if 00 [UHCI]) Subsystem: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 Flags: bus master, medium devsel, latency 0, IRQ 19 I/O ports at fb00 [size=32] 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01) (prog-if 20 [EHCI]) Subsystem: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller Flags: bus master, medium devsel, latency 0, IRQ 16 Memory at fdfff000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1) (prog-if 01 [Subtractive decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=32 I/O behind bridge: 0000d000-0000dfff Memory behind bridge: fde00000-fdefffff Prefetchable memory behind bridge: 00000000fdd00000-00000000fdd00000 Capabilities: [50] #0d [0000] 00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01) Subsystem: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge Flags: bus master, medium devsel, latency 0 Capabilities: [e0] Vendor Specific Information 00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA IDE Controller (rev 01) (prog-if 80 [Master]) Subsystem: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA IDE Controller Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 17 I/O ports at <unassigned> I/O ports at <unassigned> I/O ports at <unassigned> I/O ports at <unassigned> I/O ports at f800 [size=16] Capabilities: [70] Power Management version 2 00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01) Subsystem: Intel Corporation 82801G (ICH7 Family) SMBus Controller Flags: medium devsel, IRQ 17 I/O ports at 0500 [size=32] 01:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) Subsystem: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ Flags: bus master, medium devsel, latency 32, IRQ 18 I/O ports at de00 [size=256] Memory at fdeff000 (32-bit, non-prefetchable) [size=256] Capabilities: [50] Power Management version 2 01:06.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) Subsystem: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ Flags: bus master, medium devsel, latency 32, IRQ 17 I/O ports at dc00 [size=256] Memory at fdefe000 (32-bit, non-prefetchable) [size=256] Capabilities: [50] Power Management version 2 01:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) Subsystem: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ Flags: bus master, medium devsel, latency 32, IRQ 19 I/O ports at da00 [size=256] Memory at fdefd000 (32-bit, non-prefetchable) [size=256] Capabilities: [50] Power Management version 2 hdparm ouput: [root@server ~]# hdparm /dev/hdc /dev/hdc: multcount = 0 (off) IO_support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 0 (off) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 8146/16/63, sectors = 8211168, start = 0 [root@server ~]# hdparm -I /dev/hdc /dev/hdc: ATA device, with non-removable media Model Number: InnoDisk Corp. - iCF4000 4GB Serial Number: 20091023AACA70000753 Firmware Revision: 081107 Standards: Supported: 5 Likely used: 6 Configuration: Logical max current cylinders 8146 8146 heads 16 16 sectors/track 63 63 -- CHS current addressable sectors: 8211168 LBA user addressable sectors: 8211168 device size with M = 1024*1024: 4009 MBytes device size with M = 1000*1000: 4204 MBytes (4 GB) Capabilities: LBA, IORDY(can be disabled) Standby timer values: spec'd by Vendor R/W multiple sector transfer: Max = 2 Current = 2 DMA: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 Cycle time: min=120ns recommended=120ns PIO: pio0 pio1 pio2 pio3 pio4 Cycle time: no flow control=120ns IORDY flow control=120ns Commands/features: Enabled Supported: * Power Management feature set * WRITE_BUFFER command * READ_BUFFER command * NOP cmd * CFA feature set * Mandatory FLUSH_CACHE HW reset results: CBLID- above Vih Device num = 0 CFA power mode 1: enabled and required by some commands Maximum current = 100ma Checksum: correct

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• Should one replace the usage addJSONData of jqGrid to the usage of setGridParam(), and trigger('relo

  - by Oleg

  Hi everybody who use jqGrid! I am a new on stackoverflow.com and it seems to me that a lot of peoples who use stackoverflow.com are not only the persons who have a problem which must be quickly solved. A lot of people read stackoverflow.com to look at well-known things from the other side. Sometime perhaps the reason is a self-training (to stay in the good form) during solving of problems other people. For all these gays, who not want only to solve his problem is my question. I wrote recently an answer to the question "jqGrid display default “loading” message when updating a table / on custom update". During writing of the answer I thought: why he uses addJSONData() function for refresh of data in the grid instead of changing URL with respect of setGridParam() and refreshing jqGrid data with respect of trigger('reloadGrid')? At the beginning I wanted to recommend using of 'reloadGrid', but after thinking about this I understood, that I am not quite sure what the best way is. At least I can't explain in two sentences why I prefer the second way. So I decide that it could be an interesting subject of a discussion. So to be exactly: We have a typical situation. We have a web page with at least one jqGrid and some other controls like combo-boxes (selects), checkboxes etc. which give user possibilities to change scope on information displayed in a jqGrid. Typically we define some event handler like jQuery("#selector").change(myRefresh).keyup(myKeyRefresh) and we need reload the jqGrid contain based on users choose. After reading and analyzing of the information from additional users input we can refresh jqGrid contain in at least two ways: Make call of $.ajax() manual and then inside of success or complete handle of $.ajax call jQuery.parseJSON() (or eval) and then call addJSONData function of jqGrid. I found a lot of examples on stackoverflow.com who use addJSONData. Update url of jqGrid based on users input, reset current page number to 1 and optionally change the caption of the grid. All these can be done with respect of setGridParam(), and optionally setCaption() jqGrid methods. At the end one call trigger('reloadGrid') method of the grid. To construct the url, by the way I use mostly jQuery.param function to be sure, that I all url parameters packed correctly with respect of encodeURIComponent. I want that we discuss advantages and disadvantages of both ways. I use currently the second way, so I start with advantages of this one. One can say me: I call existing Web Service, convert received data to the jqGrid format and call addJSONData. This is the reason why I use addJSONData method! OK, I choose another way. jqGrid can make a call of the Web Service directly and fill results inside of grid. There are a lot of jqGrid options, which allow you to customize this process. First of all, one can delete or rename any standard parameter sent to server with respect of prmNames option of jqGrid or add any more additional parameters with respect of postData option (see http://www.trirand.com/jqgridwiki/doku.php?id=wiki:options). One can modify all constructed parameters immediately before jqGrid makes corresponding $.ajax request by defining of serializeGridData() function (one more option of jqGrid). More than that, one can change every $.ajax parameter by setting ajaxGridOptions option of jqGrid. I use ajaxGridOptions: {contentType: "application/json"} for example as a general setting of $.jgrid.defaults. The ajaxGridOptions option is very powerful. With respect of ajaxGridOptions option one can redefine any parameter of $.ajax request sending by jqGrid, like error, complete and beforeSend events. I see potentially interesting to define dataFilter event to be able makes any modification of the row data responded from the server. One more argument for using of trigger('reloadGrid') way is blocking of jqGrid during ajax request processing. Mostly I use parameter loadui: 'block' to block jqGrid during JSON request sending to server. With respect of jQuery blockUI plugin http://malsup.com/jquery/block/ one can block more parts of web page as the grid only. To do this one can call jQuery('#main').block({ message: '<h1>Die Daten werden vom Server geladen...</h1>' }); before calling of trigger('reloadGrid') method and jQuery('#main').unblock() inside of loadComplete and loadError functions. The loadui option could be set to 'disable' in this case. So I don’t see why the function addJSONData() should be used. Can somebody who use addJSONData() function explain me advantages of its usage? Should one replace the usage addJSONData of jqGrid to the usage of setGridParam(), and trigger('reloadGrid')? I am opened to the discussion.

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• Razor - Unexpected "foreach" keyword after "@" character

  - by Jaco Pretorius

  I have a partial view done in razor. When I run it I get the following error - it seems like Razor gets stuck into thinking I'm writing code everywhere. Unexpected "foreach" keyword after "@" character. Once inside code, you do not need to prefix constructs like "foreach" with "@" Here is my view @model IEnumerable<SomeModel> <div> @using(Html.BeginForm("Update", "UserManagement", FormMethod.Post)) { @Html.Hidden("UserId", ViewBag.UserId) @foreach(var link in Model) { if(link.Linked) { <input type="checkbox" name="userLinks" value="@link.Id" checked="checked" />@link.Description<br /> } else { <input type="checkbox" name="userLinks" value="@link.Id" />@link.Description<br /> } } } </div>

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• cx_Oracle.DatabaseError: ORA-01036: illegal variable name/number

  - by Joao Figueiredo

  I've a cron scheduled query which is failing with, File "./run_ora_query.py", line 69, in db_lookup cursor.execute(query, dict(time_key=time_key) ) cx_Oracle.DatabaseError: ORA-01036: illegal variable name/number where >>> dict(time_key=time_key) {'time_key': '12/10/2012 19:12:00'} I'm using a .yaml file to update the last time_key after each query runs, where the relevant parameters are, {query: 'select session_mode, inst_id, user_name, schema_name, os_user, process_id, process_mb_use, process_name, to_char(datet,''dd-mm-yyyy hh24:mi'') as DATETIME from os_admin.mem_usage where data > TO_DATE(:time_key,''dd-mm-yyyy hh24:mi:ss'') order by datet, inst_id, os_user', time_key: '12/10/2012 19:12:00'} Where is the culprit for this error?

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• How can I Setup overloaded method invocations in Moq?

  - by arootbeer

  I'm trying to mock a mapping interface IMapper: public interface IMapper<TFoo, TBar> { TBar Map(TFoo foo); TFoo Map(TBar bar); } In my test, I'm setting the mock mapper up to expect an invocation of each (around an NHibernate update operation): //... _mapperMock.Setup(m => m.Map(fooMock.Object)).Returns(barMock.Object); _mapperMock.Setup(m => m.Map(barMock.Object)).Returns(fooMock.Object); //... However, when the second Map invocation is made, the mapper mock throws because it is only expecting a single invocation. Watching the mapper mock during setup at runtime, I can look see the Map(TFoo foo) overload get registered, and then see it get replaced when the Map(TBar bar) overload is set up. Is this a problem with the way Moq handles setup, or is there a different syntax I need to use in this case?

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• Is there a way to hide the Primefaces fileUpload progress bar and buttons in advanced mode and auto mode?

  - by Joe Roberts

  Is there a way to hide the Primefaces fileUpload progress bar and buttons in advanced mode and auto mode? Here is the code that I am using: <p:fileUpload id="scriptUpload" widgetVar="importDevicesWidget" fileUploadListener="#{scriptUploadBean.handleFileUpload}" auto="true" label="Choose.." mode="advanced" update=":infoMessages" sizeLimit="8192" allowTypes="/(\.|\/)(txt)$/" onstart="clearInvalidFileMsg();$('#progress').show();" oncomplete="clearInvalidFileMsg();$('#progress').hide();importDevicesDialogWidget.hide()"/> The problem is that it makes no sense for the buttons that appear next to the progress bar for each file to be there as the mode is auto so the upload already started! Here is a screen shot:

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• How to set MinWorkingSet and MaxWorkingSet in a 64-bit .NET process?

  - by Gravitas

  How do I set MinWorkingSet and MaxWorking set for a 64-bit .NET process? p.s. I can set the MinWorkingSet and MaxWorking set for a 32-bit process, as follows: [DllImport("KERNEL32.DLL", EntryPoint = "SetProcessWorkingSetSize", SetLastError = true, CallingConvention = CallingConvention.StdCall)] internal static extern bool SetProcessWorkingSetSize(IntPtr pProcess, int dwMinimumWorkingSetSize, int dwMaximumWorkingSetSize); [DllImport("KERNEL32.DLL", EntryPoint = "GetCurrentProcess", SetLastError = true, CallingConvention = CallingConvention.StdCall)] internal static extern IntPtr MyGetCurrentProcess(); // In main(): SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, int.MaxValue, int.MaxValue); Update: Unfortunately, even if we do this call, the garbage collection trims the working set down anyway, bypassing MinWorkingSet (see "Automatic GC.Collect() in the diagram below). Question: Is there a way to lock the WorkingSet (the green line) to 1GB, to avoid the spike in page faults (the red lines) that occur when allocating new memory into the process? p.s. Every time a page fault occurs, it blocks the thread for 250us, which hits application performance badly.

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• WPF TreeView databinding to hide/show expand/collapse icon

  - by Julian Lettner

  I implemented a WPF load-on-demand treeview like described in this (very good) article. In the mentioned solution a dummy element is used to preserve the expand + icon / treeview item behavior. The dummy item is replaced with real data, when the user clicks on the expander. I want to refine the model by adding a property public bool HasChildren { get { ... } } to my backing TreeNodeViewModel. Question: How can I bind this property to hide/show the expand icon (in XAML)? I am not able to find a suitable trigger/setter combination. (INotifyPropertyChanged is properly implemented.) Thanks for your time. Update 1: I want to use my property public bool HasChildren instead of using the dummy element. Determining whether or not an item has children is somewhat costly, but still much cheaper than fetching the children.

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• Android AppWidget TextView: How to set background color programmaticly

  - by Amit

  I am trying to create an AppWidget, in which the background color of a TextView changes at random at specified periodic interval. The TextView is defined in layout xml file as <?xml version="1.0" encoding="utf-8" ?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/widget" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" > <TextView android:id="@+id/message" android:background="#ff99ff" android:text="Hello Widget" /> </LinearLayout> In update method, i have loaded the layout as RemoteViews remoteView=new RemoteViews(context.getPackageName(),R.layout.widget_message); To change the background of TextView i used the following statement remoteView.setInt(R.id.message, "setBackgroundResource", R.color.col_1); But i am getting a widget saying problem loading widget. If i remove the above line everything works fine. LogCat says: updateAppWidget couldn't find any view, using error view android.widget.RemoteViews$ActionException: view: android.widget.TextView can't use method with RemoteViews: setBackgroundResource(int)

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• Win32Exception: The directory name is invalid

  - by Mohammadreza

  I'm trying to run a process as a different user that has Administrator privilege in 2 different computers running Vista and their UAC enabled but in one of them I get a Win32Exception that says "The directory name is invalid" Can anyone tell me what is wrong with my code? var myFile = "D:\\SomeFolder\\MyExecutable.exe"; var workingFolder = "D:\\SomeFolder"; var pInfo = new System.Diagnostics.ProcessStartInfo(); pInfo.FileName = myFile; pInfo.WorkingDirectory = workingFolder; pInfo.Arguments = myArgs; pInfo.LoadUserProfile = true; pInfo.UseShellExecute = false; pInfo.UserName = {UserAccount}; pInfo.Password = {SecureStringPassword}; pInfo.Domain = "."; System.Diagnostics.Process.Start(pInfo); UPDATE The application that executes the above code has requireAdministrator execution level. I even set the working folder to "Path.GetDirectoryName(myFile)" and "New System.IO.FileInfo(myFile).DirectoryName"

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• D3.js: "NS_ERROR_DOM_BAD_URI: Access to restricted URI denied"

  - by user2102328

  I have an html-file with several d3-graphs directly written in script tags into it. When I outsource one of the graphs into an external js file I get this message "NS_ERROR_DOM_BAD_URI: Access to restricted URI denied". If I delete the code with d3.json where it reads a local json file the error disappears. But it has to be possible to load a json file in an external js which is embedded into an html, right? d3.json("forcetree.json", function(json) { root = json; update(); });

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