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  • Best way to randomly select columns from random rows of SQL results.

    - by LesterDove
    A search of SO yields many results describing how to select random rows of data from a database table. My requirement is a bit different, though, in that I'd like to select individual columns from across random rows in the most efficient/random/interesting way possible. To better illustrate: I have a large Customers table, and from that I'd like to generate a bunch of fictitious demo Customer records that aren't real people. I'm thinking of just querying randomly from the Customers table, and then randomly pairing FirstNames with LastNames, Address, City, State, etc. So if this is my real Customer data (simplified): FirstName LastName State ========================== Sally Simpson SD Will Warren WI Mike Malone MN Kelly Kline KS Then I'd generate several records that look like this: FirstName LastName State ========================== Sally Warren MN Kelly Malone SD Etc. My initial approach works, but it lacks the elegance that I'm hoping the final answer will provide. (I'm particularly unhappy with the repetitiveness of the subqueries, and the fact that this solution requires a known/fixed number of fields and therefore isn't reusable.) SELECT FirstName = (SELECT TOP 1 FirstName FROM Customer ORDER BY newid()), LastName= (SELECT TOP 1 LastNameFROM Customer ORDER BY newid()), State = (SELECT TOP 1 State FROM Customer ORDER BY newid()) Thanks!

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  • how to handel failure mails using PHP?

    - by Navruk
    example:- If i sent a mail through gmail to this id "[email protected]" i got error like "Delivery to the following recipient failed permanently:" My question is:- If i sent using PHP mail function, how can i catch failure email id? code:- // To send HTML mail, the Content-type header must be set $headers = 'MIME-Version: 1.0' . "\r\n"; $headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n"; // Additional headers $headers .= 'To: Mary <[email protected]>, Kelly <[email protected]>' . "\r\n"; $headers .= 'From: Birthday Reminder <[email protected]>' . "\r\n"; $headers .= 'Cc: [email protected]' . "\r\n"; $headers .= 'Bcc: [email protected]' . "\r\n"; $to = "[email protected]"; $subject = "Testing"; $message = "Testing body"; mail($to, $subject, $message, $headers);

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  • Silverlight Tree View with Multiple Levels

    - by psheriff
    There are many examples of the Silverlight Tree View that you will find on the web, however, most of them only show you how to go to two levels. What if you have more than two levels? This is where understanding exactly how the Hierarchical Data Templates works is vital. In this blog post, I am going to break down how these templates work so you can really understand what is going on underneath the hood. To start, let’s look at the typical two-level Silverlight Tree View that has been hard coded with the values shown below: <sdk:TreeView>  <sdk:TreeViewItem Header="Managers">    <TextBlock Text="Michael" />    <TextBlock Text="Paul" />  </sdk:TreeViewItem>  <sdk:TreeViewItem Header="Supervisors">    <TextBlock Text="John" />    <TextBlock Text="Tim" />    <TextBlock Text="David" />  </sdk:TreeViewItem></sdk:TreeView> Figure 1 shows you how this tree view looks when you run the Silverlight application. Figure 1: A hard-coded, two level Tree View. Next, let’s create three classes to mimic the hard-coded Tree View shown above. First, you need an Employee class and an EmployeeType class. The Employee class simply has one property called Name. The constructor is created to accept a “name” argument that you can use to set the Name property when you create an Employee object. public class Employee{  public Employee(string name)  {    Name = name;  }   public string Name { get; set; }} Finally you create an EmployeeType class. This class has one property called EmpType and contains a generic List<> collection of Employee objects. The property that holds the collection is called Employees. public class EmployeeType{  public EmployeeType(string empType)  {    EmpType = empType;    Employees = new List<Employee>();  }   public string EmpType { get; set; }  public List<Employee> Employees { get; set; }} Finally we have a collection class called EmployeeTypes created using the generic List<> class. It is in the constructor for this class where you will build the collection of EmployeeTypes and fill it with Employee objects: public class EmployeeTypes : List<EmployeeType>{  public EmployeeTypes()  {    EmployeeType type;            type = new EmployeeType("Manager");    type.Employees.Add(new Employee("Michael"));    type.Employees.Add(new Employee("Paul"));    this.Add(type);     type = new EmployeeType("Project Managers");    type.Employees.Add(new Employee("Tim"));    type.Employees.Add(new Employee("John"));    type.Employees.Add(new Employee("David"));    this.Add(type);  }} You now have a data hierarchy in memory (Figure 2) which is what the Tree View control expects to receive as its data source. Figure 2: A hierachial data structure of Employee Types containing a collection of Employee objects. To connect up this hierarchy of data to your Tree View you create an instance of the EmployeeTypes class in XAML as shown in line 13 of Figure 3. The key assigned to this object is “empTypes”. This key is used as the source of data to the entire Tree View by setting the ItemsSource property as shown in Figure 3, Callout #1. Figure 3: You need to start from the bottom up when laying out your templates for a Tree View. The ItemsSource property of the Tree View control is used as the data source in the Hierarchical Data Template with the key of employeeTypeTemplate. In this case there is only one Hierarchical Data Template, so any data you wish to display within that template comes from the collection of Employee Types. The TextBlock control in line 20 uses the EmpType property of the EmployeeType class. You specify the name of the Hierarchical Data Template to use in the ItemTemplate property of the Tree View (Callout #2). For the second (and last) level of the Tree View control you use a normal <DataTemplate> with the name of employeeTemplate (line 14). The Hierarchical Data Template in lines 17-21 sets its ItemTemplate property to the key name of employeeTemplate (Line 19 connects to Line 14). The source of the data for the <DataTemplate> needs to be a property of the EmployeeTypes collection used in the Hierarchical Data Template. In this case that is the Employees property. In the Employees property there is a “Name” property of the Employee class that is used to display the employee name in the second level of the Tree View (Line 15). What is important here is that your lowest level in your Tree View is expressed in a <DataTemplate> and should be listed first in your Resources section. The next level up in your Tree View should be a <HierarchicalDataTemplate> which has its ItemTemplate property set to the key name of the <DataTemplate> and the ItemsSource property set to the data you wish to display in the <DataTemplate>. The Tree View control should have its ItemsSource property set to the data you wish to display in the <HierarchicalDataTemplate> and its ItemTemplate property set to the key name of the <HierarchicalDataTemplate> object. It is in this way that you get the Tree View to display all levels of your hierarchical data structure. Three Levels in a Tree View Now let’s expand upon this concept and use three levels in our Tree View (Figure 4). This Tree View shows that you now have EmployeeTypes at the top of the tree, followed by a small set of employees that themselves manage employees. This means that the EmployeeType class has a collection of Employee objects. Each Employee class has a collection of Employee objects as well. Figure 4: When using 3 levels in your TreeView you will have 2 Hierarchical Data Templates and 1 Data Template. The EmployeeType class has not changed at all from our previous example. However, the Employee class now has one additional property as shown below: public class Employee{  public Employee(string name)  {    Name = name;    ManagedEmployees = new List<Employee>();  }   public string Name { get; set; }  public List<Employee> ManagedEmployees { get; set; }} The next thing that changes in our code is the EmployeeTypes class. The constructor now needs additional code to create a list of managed employees. Below is the new code. public class EmployeeTypes : List<EmployeeType>{  public EmployeeTypes()  {    EmployeeType type;    Employee emp;    Employee managed;     type = new EmployeeType("Manager");    emp = new Employee("Michael");    managed = new Employee("John");    emp.ManagedEmployees.Add(managed);    managed = new Employee("Tim");    emp.ManagedEmployees.Add(managed);    type.Employees.Add(emp);     emp = new Employee("Paul");    managed = new Employee("Michael");    emp.ManagedEmployees.Add(managed);    managed = new Employee("Sara");    emp.ManagedEmployees.Add(managed);    type.Employees.Add(emp);    this.Add(type);     type = new EmployeeType("Project Managers");    type.Employees.Add(new Employee("Tim"));    type.Employees.Add(new Employee("John"));    type.Employees.Add(new Employee("David"));    this.Add(type);  }} Now that you have all of the data built in your classes, you are now ready to hook up this three-level structure to your Tree View. Figure 5 shows the complete XAML needed to hook up your three-level Tree View. You can see in the XAML that there are now two Hierarchical Data Templates and one Data Template. Again you list the Data Template first since that is the lowest level in your Tree View. The next Hierarchical Data Template listed is the next level up from the lowest level, and finally you have a Hierarchical Data Template for the first level in your tree. You need to work your way from the bottom up when creating your Tree View hierarchy. XAML is processed from the top down, so if you attempt to reference a XAML key name that is below where you are referencing it from, you will get a runtime error. Figure 5: For three levels in a Tree View you will need two Hierarchical Data Templates and one Data Template. Each Hierarchical Data Template uses the previous template as its ItemTemplate. The ItemsSource of each Hierarchical Data Template is used to feed the data to the previous template. This is probably the most confusing part about working with the Tree View control. You are expecting the content of the current Hierarchical Data Template to use the properties set in the ItemsSource property of that template. But you need to look to the template lower down in the XAML to see the source of the data as shown in Figure 6. Figure 6: The properties you use within the Content of a template come from the ItemsSource of the next template in the resources section. Summary Understanding how to put together your hierarchy in a Tree View is simple once you understand that you need to work from the bottom up. Start with the bottom node in your Tree View and determine what that will look like and where the data will come from. You then build the next Hierarchical Data Template to feed the data to the previous template you created. You keep doing this for each level in your Tree View until you get to the last level. The data for that last Hierarchical Data Template comes from the ItemsSource in the Tree View itself. NOTE: You can download the sample code for this article by visiting my website at http://www.pdsa.com/downloads. Select “Tips & Tricks”, then select “Silverlight TreeView with Multiple Levels” from the drop down list.

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  • Bacula windows client could not connect to Bacula director

    - by pr0f-r00t
    I have a Bacula server on my Linux Debian squeeze host (Bacula version 5.0.2) and a Bacula client on Windows XP SP3. On my network each client can see each other, can share files and can ping. On my local server I could run bconsole and the server responds but when I run bconsole or bat on my windows client the server does not respond. Here are my configuration files: bacula-dir.conf: # # Default Bacula Director Configuration file # # The only thing that MUST be changed is to add one or more # file or directory names in the Include directive of the # FileSet resource. # # For Bacula release 5.0.2 (28 April 2010) -- debian squeeze/sid # # You might also want to change the default email address # from root to your address. See the "mail" and "operator" # directives in the Messages resource. # Director { # define myself Name = nima-desktop-dir DIRport = 9101 # where we listen for UA connections QueryFile = "/etc/bacula/scripts/query.sql" WorkingDirectory = "/var/lib/bacula" PidDirectory = "/var/run/bacula" Maximum Concurrent Jobs = 1 Password = "Cv70F6pf1t6pBopT4vQOnigDrR0v3L" # Console password Messages = Daemon DirAddress = 127.0.0.1 # DirAddress = 72.16.208.1 } JobDefs { Name = "DefaultJob" Type = Backup Level = Incremental Client = nima-desktop-fd FileSet = "Full Set" Schedule = "WeeklyCycle" Storage = File Messages = Standard Pool = File Priority = 10 Write Bootstrap = "/var/lib/bacula/%c.bsr" } # # Define the main nightly save backup job # By default, this job will back up to disk in /nonexistant/path/to/file/archive/dir Job { Name = "BackupClient1" JobDefs = "DefaultJob" } #Job { # Name = "BackupClient2" # Client = nima-desktop2-fd # JobDefs = "DefaultJob" #} # Backup the catalog database (after the nightly save) Job { Name = "BackupCatalog" JobDefs = "DefaultJob" Level = Full FileSet="Catalog" Schedule = "WeeklyCycleAfterBackup" # This creates an ASCII copy of the catalog # Arguments to make_catalog_backup.pl are: # make_catalog_backup.pl <catalog-name> RunBeforeJob = "/etc/bacula/scripts/make_catalog_backup.pl MyCatalog" # This deletes the copy of the catalog RunAfterJob = "/etc/bacula/scripts/delete_catalog_backup" Write Bootstrap = "/var/lib/bacula/%n.bsr" Priority = 11 # run after main backup } # # Standard Restore template, to be changed by Console program # Only one such job is needed for all Jobs/Clients/Storage ... # Job { Name = "RestoreFiles" Type = Restore Client=nima-desktop-fd FileSet="Full Set" Storage = File Pool = Default Messages = Standard Where = /nonexistant/path/to/file/archive/dir/bacula-restores } # job for vmware windows host Job { Name = "nimaxp-fd" Type = Backup Client = nimaxp-fd FileSet = "nimaxp-fs" Schedule = "WeeklyCycle" Storage = File Messages = Standard Pool = Default Write Bootstrap = "/var/bacula/working/rsys-win-www-1-fd.bsr" #Change this } # job for vmware windows host Job { Name = "arg-michael-fd" Type = Backup Client = nimaxp-fd FileSet = "arg-michael-fs" Schedule = "WeeklyCycle" Storage = File Messages = Standard Pool = Default Write Bootstrap = "/var/bacula/working/rsys-win-www-1-fd.bsr" #Change this } # List of files to be backed up FileSet { Name = "Full Set" Include { Options { signature = MD5 } # # Put your list of files here, preceded by 'File =', one per line # or include an external list with: # # File = <file-name # # Note: / backs up everything on the root partition. # if you have other partitions such as /usr or /home # you will probably want to add them too. # # By default this is defined to point to the Bacula binary # directory to give a reasonable FileSet to backup to # disk storage during initial testing. # File = /usr/sbin } # # If you backup the root directory, the following two excluded # files can be useful # Exclude { File = /var/lib/bacula File = /nonexistant/path/to/file/archive/dir File = /proc File = /tmp File = /.journal File = /.fsck } } # List of files to be backed up FileSet { Name = "nimaxp-fs" Enable VSS = yes Include { Options { signature = MD5 } File = "C:\softwares" File = C:/softwares File = "C:/softwares" } } # List of files to be backed up FileSet { Name = "arg-michael-fs" Enable VSS = yes Include { Options { signature = MD5 } File = "C:\softwares" File = C:/softwares File = "C:/softwares" } } # # When to do the backups, full backup on first sunday of the month, # differential (i.e. incremental since full) every other sunday, # and incremental backups other days Schedule { Name = "WeeklyCycle" Run = Full 1st sun at 23:05 Run = Differential 2nd-5th sun at 23:05 Run = Incremental mon-sat at 23:05 } # This schedule does the catalog. It starts after the WeeklyCycle Schedule { Name = "WeeklyCycleAfterBackup" Run = Full sun-sat at 23:10 } # This is the backup of the catalog FileSet { Name = "Catalog" Include { Options { signature = MD5 } File = "/var/lib/bacula/bacula.sql" } } # Client (File Services) to backup Client { Name = nima-desktop-fd Address = localhost FDPort = 9102 Catalog = MyCatalog Password = "_MOfxEuRzxijc0DIMcBqtyx9iW1tzE7V6" # password for FileDaemon File Retention = 30 days # 30 days Job Retention = 6 months # six months AutoPrune = yes # Prune expired Jobs/Files } # Client file service for vmware windows host Client { Name = nimaxp-fd Address = nimaxp FDPort = 9102 Catalog = MyCatalog Password = "Ku8F1YAhDz5EMUQjiC9CcSw95Aho9XbXailUmjOaAXJP" # password for FileDaemon File Retention = 30 days # 30 days Job Retention = 6 months # six months AutoPrune = yes # Prune expired Jobs/Files } # Client file service for vmware windows host Client { Name = arg-michael-fd Address = 192.168.0.61 FDPort = 9102 Catalog = MyCatalog Password = "b4E9FU6s/9Zm4BVFFnbXVKhlyd/zWxj0oWITKK6CALR/" # password for FileDaemon File Retention = 30 days # 30 days Job Retention = 6 months # six months AutoPrune = yes # Prune expired Jobs/Files } # # Second Client (File Services) to backup # You should change Name, Address, and Password before using # #Client { # Name = nima-desktop2-fd # Address = localhost2 # FDPort = 9102 # Catalog = MyCatalog # Password = "_MOfxEuRzxijc0DIMcBqtyx9iW1tzE7V62" # password for FileDaemon 2 # File Retention = 30 days # 30 days # Job Retention = 6 months # six months # AutoPrune = yes # Prune expired Jobs/Files #} # Definition of file storage device Storage { Name = File # Do not use "localhost" here Address = localhost # N.B. Use a fully qualified name here SDPort = 9103 Password = "Cj-gtxugC4dAymY01VTSlUgMTT5LFMHf9" Device = FileStorage Media Type = File } # Definition of DDS tape storage device #Storage { # Name = DDS-4 # Do not use "localhost" here # Address = localhost # N.B. Use a fully qualified name here # SDPort = 9103 # Password = "Cj-gtxugC4dAymY01VTSlUgMTT5LFMHf9" # password for Storage daemon # Device = DDS-4 # must be same as Device in Storage daemon # Media Type = DDS-4 # must be same as MediaType in Storage daemon # Autochanger = yes # enable for autochanger device #} # Definition of 8mm tape storage device #Storage { # Name = "8mmDrive" # Do not use "localhost" here # Address = localhost # N.B. Use a fully qualified name here # SDPort = 9103 # Password = "Cj-gtxugC4dAymY01VTSlUgMTT5LFMHf9" # Device = "Exabyte 8mm" # MediaType = "8mm" #} # Definition of DVD storage device #Storage { # Name = "DVD" # Do not use "localhost" here # Address = localhost # N.B. Use a fully qualified name here # SDPort = 9103 # Password = "Cj-gtxugC4dAymY01VTSlUgMTT5LFMHf9" # Device = "DVD Writer" # MediaType = "DVD" #} # Generic catalog service Catalog { Name = MyCatalog # Uncomment the following line if you want the dbi driver # dbdriver = "dbi:sqlite3"; dbaddress = 127.0.0.1; dbport = dbname = "bacula"; dbuser = ""; dbpassword = "" } # Reasonable message delivery -- send most everything to email address # and to the console Messages { Name = Standard # # NOTE! If you send to two email or more email addresses, you will need # to replace the %r in the from field (-f part) with a single valid # email address in both the mailcommand and the operatorcommand. # What this does is, it sets the email address that emails would display # in the FROM field, which is by default the same email as they're being # sent to. However, if you send email to more than one address, then # you'll have to set the FROM address manually, to a single address. # for example, a '[email protected]', is better since that tends to # tell (most) people that its coming from an automated source. # mailcommand = "/usr/lib/bacula/bsmtp -h localhost -f \"\(Bacula\) \<%r\>\" -s \"Bacula: %t %e of %c %l\" %r" operatorcommand = "/usr/lib/bacula/bsmtp -h localhost -f \"\(Bacula\) \<%r\>\" -s \"Bacula: Intervention needed for %j\" %r" mail = root@localhost = all, !skipped operator = root@localhost = mount console = all, !skipped, !saved # # WARNING! the following will create a file that you must cycle from # time to time as it will grow indefinitely. However, it will # also keep all your messages if they scroll off the console. # append = "/var/lib/bacula/log" = all, !skipped catalog = all } # # Message delivery for daemon messages (no job). Messages { Name = Daemon mailcommand = "/usr/lib/bacula/bsmtp -h localhost -f \"\(Bacula\) \<%r\>\" -s \"Bacula daemon message\" %r" mail = root@localhost = all, !skipped console = all, !skipped, !saved append = "/var/lib/bacula/log" = all, !skipped } # Default pool definition Pool { Name = Default Pool Type = Backup Recycle = yes # Bacula can automatically recycle Volumes AutoPrune = yes # Prune expired volumes Volume Retention = 365 days # one year } # File Pool definition Pool { Name = File Pool Type = Backup Recycle = yes # Bacula can automatically recycle Volumes AutoPrune = yes # Prune expired volumes Volume Retention = 365 days # one year Maximum Volume Bytes = 50G # Limit Volume size to something reasonable Maximum Volumes = 100 # Limit number of Volumes in Pool } # Scratch pool definition Pool { Name = Scratch Pool Type = Backup } # # Restricted console used by tray-monitor to get the status of the director # Console { Name = nima-desktop-mon Password = "-T0h6HCXWYNy0wWqOomysMvRGflQ_TA6c" CommandACL = status, .status } bacula-fd.conf on client: # # Default Bacula File Daemon Configuration file # # For Bacula release 5.0.3 (08/05/10) -- Windows MinGW32 # # There is not much to change here except perhaps the # File daemon Name # # # "Global" File daemon configuration specifications # FileDaemon { # this is me Name = nimaxp-fd FDport = 9102 # where we listen for the director WorkingDirectory = "C:\\Program Files\\Bacula\\working" Pid Directory = "C:\\Program Files\\Bacula\\working" # Plugin Directory = "C:\\Program Files\\Bacula\\plugins" Maximum Concurrent Jobs = 10 } # # List Directors who are permitted to contact this File daemon # Director { Name = Nima-desktop-dir Password = "Cv70F6pf1t6pBopT4vQOnigDrR0v3L" } # # Restricted Director, used by tray-monitor to get the # status of the file daemon # Director { Name = nimaxp-mon Password = "q5b5g+LkzDXorMViFwOn1/TUnjUyDlg+gRTBp236GrU3" Monitor = yes } # Send all messages except skipped files back to Director Messages { Name = Standard director = Nima-desktop = all, !skipped, !restored } I have checked my firewall and disabled the firewall but it doesn't work.

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  • I need to take an array of three lines in a text file and sort them base on the first line in Java.

    - by Cory
    I need to take an array of three lines in a text file and sort them base on the first line in Java. I also need to manipulate this as well and then print to screen. I have a test file that is formatted like this: 10 Michael Jackson 12 Richard Woolsey I need to input this from a text file and then rearrange it based on the number associated with the name. At that point, I need to use a random number generator and assign a variable based on the random number to each name. Then I need to print to screen the variable I added and the name in a different format. Here is an example of the output: 12: Woolsey, Richard Variable assigned 10: Jackson, Michael Other variable assigned I highly appreciate any help. I ask because I do not really know how to input the three lines as one variable and then manipulate later on in the program. Thanks, Cory

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  • the best way to convert delimited to fixed width

    - by ehosca
    What is the BEST way to convert this : FirstName,LastName,Title,BirthDate,HireDate,City,Region Nancy,Davolio,Sales Representative,1948-12-08,1992-05-01,Seattle,WA Andrew,Fuller,Vice President Sales,1952-02-19,1992-08-14,Tacoma,WA Janet,Leverling,Sales Representative,1963-08-30,1992-04-01,Kirkland,WA Margaret,Peacock,Sales Representative,1937-09-19,1993-05-03,Redmond,WA Steven,Buchanan,Sales Manager,1955-03-04,1993-10-17,London,NULL Michael,Suyama,Sales Representative,1963-07-02,1993-10-17,London,NULL Robert,King,Sales Representative,1960-05-29,1994-01-02,London,NULL Laura,Callahan,Inside Sales Coordinator,1958-01-09,1994-03-05,Seattle,WA Anne,Dodsworth,Sales Representative,1966-01-27,1994-11-15,London,NULL to this : FirstName LastName Title BirthDate HireDate City Region ---------- -------------------- ------------------------------ ----------- ---------- --------------- --------------- Nancy Davolio Sales Representative 1948-12-08 1992-05-01 Seattle WA Andrew Fuller Vice President, Sales 1952-02-19 1992-08-14 Tacoma WA Janet Leverling Sales Representative 1963-08-30 1992-04-01 Kirkland WA Margaret Peacock Sales Representative 1937-09-19 1993-05-03 Redmond WA Steven Buchanan Sales Manager 1955-03-04 1993-10-17 London NULL Michael Suyama Sales Representative 1963-07-02 1993-10-17 London NULL Robert King Sales Representative 1960-05-29 1994-01-02 London NULL Laura Callahan Inside Sales Coordinator 1958-01-09 1994-03-05 Seattle WA Anne Dodsworth Sales Representative 1966-01-27 1994-11-15 London NULL

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  • Lock Free Queue -- Single Producer, Multiple Consumers

    - by Shirish
    Hello, I am looking for a method to implement lock-free queue data structure that supports single producer, and multiple consumers. I have looked at the classic method by Maged Michael and Michael Scott (1996) but their version uses linked lists. I would like an implementation that makes use of bounded circular buffer. Something that uses atomic variables? On a side note, I am not sure why these classic methods are designed for linked lists that require a lot of dynamic memory management. In a multi-threaded program, all memory management routines are serialized. Aren't we defeating the benefits of lock-free methods by using them in conjunction with dynamic data structures? I am trying to code this in C/C++ using pthread library on a Intel 64-bit architecture. Thank you, Shirish

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  • Encryption in PHP leaves unwanted characters

    - by MichaelH
    I have made an encryption function which encrypts a simple value and stores it in the database. Here is the code to encrypt and decrypt: public function encrypt($string){ $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); $value = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $this->key256, $string, MCRYPT_MODE_ECB, $iv); $value = base64_encode($value); return $value; } public function decrypt($string){ $value = base64_decode($string); $value = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $this->key256, $value, MCRYPT_MODE_ECB); return $value; } When I encrypt a simple value such as 'Michael' and decrypt again, I get the value: Michael????????? Is there a reason I get all those question marks or a way to get rid of them?

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  • python's `with` statement

    - by Prestel Nué
    Hi there, seems like I do not understand something with---the python with statement. Consider this class: class test(object): def __enter__(self): pass def __exit__(self, *ignored): pass now, when using it with with, like in with test() as michael: print repr(michael) I would expect some output like <test instance at memore blah>. But I get None. Something wrong here? Any suggestions would help. (I am using Python 2.6.6.) EDIT: Thanks to ephement for pointing me to the documentation. The __enter__ method should read def __enter__(self): return self

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  • Make a WPF circular progress indicator / loading animation

    how to make a WPF circular progress indicator that resembles Silverlights loading animation  read moreBy Michael DetrasDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Today on http://endpoint.tv – AppFabric Dashboard Overview

    - by The Official Microsoft IIS Site
    AppFabric has this great new Dashboard that gives you insight into what is happening with your services and workflows. In this video, Senior Programming Writer Michael McKeown shows you what the Dashboard can do for you. Watch it now on endpoint.tv For more on the AppFabric Dashboard see the following articles on MSDN Monitoring Applications Using AppFabric Management UI Features We have more great episodes available at http://endpoint.tv so keep watching Ron Jacobs Host of endpoint.tv...( read more...(read more)

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  • One National Team One Event &ndash; SharePoint Saturday Kansas City

    - by MOSSLover
    I wasn’t expect to run an event from 1,000 miles away, but some stuff happened you know like it does and I opted in.  It was really weird, because people asked why are you living in NJ and running Kansas City?  I did move, but it was like my baby and Karthik didn’t have the ability to do it this year.  I found it really challenging, because I could not physically be in Kansas City.  At first I was freaking out and Lee Brandt, Brian Laird, and Chris Geier offered to help.  Somehow I couldn’t come the day of the event.  Time-wise it just didn’t work out.  I could do all the leg work prior to the event, but weekends just were not good.  I was going to be in DC until March or April on the weekdays, so leaving that weekend was too tough.  As it worked out Lee was my eyes and ears for the venue.  Brian was the sponsor and prize box coordinator if anyone needed to send items.  Lee also helped Brian the day of the event move all the boxes.  I did everything we could do electronically, such as get the sponsors coordinate with Michael Lotter on invoicing and getting the speakers, posting the submissions, budgeting the money, setting up a speaker dinner by phone, plus all that other stuff you do behind the scenes.  Chris was there to help Lee and Brian the day of the event and help us out with the speaker dinner.  Karthik finally got back from India and he was there the night before getting the folders together and the signs and stuffing it all.  Jason Gallicchio also helped me out (my cohort for SPS NYC) as he did the schedule and helped with posting the speakers abstracts and so did Chris Geier by posting the bios.  The lot of them enlisted a few other monkeys to help out.  It was the weirdest thing I’ve ever seen, but it worked.  Around 100+ attendees ended up showing and I hear it was  a great event.  Jason, Michael, Chris, Karthik, Brian, and Lee are not all from the same area, but they helped me out in bringing this event together.  It was a national SharePoint Saturday team that brought together a specific local event for Kansas City.  It’s like a metaphor for the entire SharePoint Community.  We help our own kind out we don’t let me fail.  I know Lee and Brian aren’t technically SharePoint People they are honorary SharePoint Community Members.  Thanks everyone for the support and help in bringing this event together.  Technorati Tags: SharePoint Saturday,SPS KC,SharePoint,SharePoint Saturday Kanas City,Kansas City

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  • SQLPeople Interviews - Crys Manson, Jeremiah Peschka, and Tim Mitchell

    - by andyleonard
    Introduction Late last year I announced an exciting new endeavor called SQLPeople . At the end of 2010 I announced the 2010 SQLPeople Person of the Year . Check out these interviews from your favorite SQLPeople ! Interviews To Date Tim Mitchell Jeremiah Peschka Crys Manson Ben McEwan Thomas LaRock Lori Edwards Brent Ozar Michael Coles Rob Farley Jamie Thomson Conclusion I plan to post two or three interviews each week for the forseeable future. SQLPeople is just one of the cool new things I get to...(read more)

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  • Silverlight Cream for May 02, 2010 -- #854

    - by Dave Campbell
    In this Issue: Michael Washington, Jason Young(-2-, -3-), Phil Middlemiss, Jeremy Likness, Victor Gaudioso, Kunal Chowdhury, Antoni Dol, and Jacek Ciereszko(-2-). Shoutout: Victor Gaudioso has aggregated All of My Silverlight Video Tutorials in One Place (revised again 05.02.10) From SilverlightCream.com: Unit Testing A Silverlight 'Simplified MVVM' Modal Popup Michael Washington's latest 'Simplified MVVM' post is published at The Code Project and is on Unit Testing with MVVM. Input Localization in Silverlight without IValueConverter Jason Young sent me some links to posts I've not seen... this first one is on localization by using the Language property of the Root Visual. MVVM – The Model - Part 1 – INotifyPropertyChanged Jason Young's next archive post is the first of a series on MVVM and Silverlight 4 ... implementing a simple ViewModel base class. Silverlight, WCF, and ASP.Net Configuration Gotchas Jason Young worked at tracking down the answers to some forum questions and in the process has produced a post of 'gotchas' with using WCF in Silverlight. A Chrome and Glass Theme - Part 5 Phil Middlemiss has part 5 of his Chrome and Glass Theme tutorial up ... in this one, he's looking at the Progress Bar and Slider. Download the files and play along. Silverlight Out of Browser (OOB) Versions, Images, and Isolated Storage Jeremy Likness has a post up responding to his 3 major questions about OOB apps, and he has to code up for the sample too. New Silverlight Video Tutorial: How to Make a Slide In/Out Navigation Bar – All in Blend Victor Gaudioso's latest video tutorial is on building a Behavior for a Slide in/out Navigation bar... kinda like the menu sliders on my GlyphMap Utility... only easier! Command Binding in Silverlight 4 (Step-by-Step) Kunal Chowdhury has another post up at DotNetFunda, and this time he's talking about Command Binding in Silverlight 4 with an eye toward MVVM usage. The Silverlight PageCurl implementation Antoni Dol has a post up about doing a Page Curl effect in Silverlight. He has a manual up on the effect and full application code. How to center and scale Silverlight applications using ViewBox control Jacek Ciereszko has a couple posts up about centering and scaling your app with the ViewBox control. This first one is a code solution. Source is available, as is a Polish version. Silverlight Center And Scale Behavior Jacek Ciereszko's 2nd post, he provides a Behavior that handles the scaling and centering of the previous post. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • IDC Analyst Mike Fauscette Writes About Oracle And The Cloud

    - by Roxana Babiciu
    "It's becoming clear that cloud is now a core part of Oracle's strategy," says analyst Michael Fauscette in his post-OpenWorld article in Seeking Alpha. He believes we have a well-rounded portfolio "with a cloud platform/infrastructure, a broad selection of apps, and a partner marketplace." From his numerous conversations with customers, he highlights their continual interest in hybrid deployments and also in shifting apps to the cloud. Read more.

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  • IDC Analyst Mike Fauscette Writes About Oracle and The Cloud

    - by Cinzia Mascanzoni
    "It's becoming clear that cloud is now a core part of Oracle's strategy," says analyst Michael Fauscette in his post-OpenWorld article in Seeking Alpha. He believes we have a well-rounded portfolio "with a cloud platform/infrastructure, a broad selection of apps, and a partner marketplace." From his numerous conversations with customers, he highlights their continual interest in hybrid deployments and also in shifting apps to the cloud. Read more.

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  • Silverlight Cream for April 04, 2010 -- #830

    - by Dave Campbell
    In this Issue: Michael Washington, Hassan, David Anson, Jeff Wilcox, UK Application Development Consulting, Davide Zordan, Victor Gaudioso, Anoop Madhusudanan, Phil Middlemiss, and Laurent Bugnion. Shoutouts: Josh Smith has a good-read post up: Design-time data is still data Shawn Hargreaves reported his MIX demo released From SilverlightCream.com: Silverlight MVVM: Enabling Design-Time Data in Expression Blend When Using Web Services Michael Washington has a tutorial up on MVVM and using a web service to get design-time data that works in Blend also... lots of information and screenshots. WP7 Transition Animation Hassan has a new WP7 tutorial up that demonstrates playing media and adding transition animation between pages. Tip: For a truly read-only custom DependencyProperty in Silverlight, use a read-only CLR property instead David Anson's latest tip is in response to comments on his previous post and details one by Dr. WPF who points out that a read-only DependencyProperty doesn't actually need to be a DependencyProperty as long as the class implements INotifyPropertyChanged. Template parts and custom controls (quick tip) Jeff Wilcox has posted a set of tips and recommendations to use when developing control development in Silverlight ... this is a post to bookmark. Flexible Data Template Support in Silverlight The UK Application Development Consulting details a 'problem' in Silverlight that doesn't exist in WPF and that is data templates that vary by type... and discusses a way around it. Multi-Touch enabling Silverlight Simon using Blend behaviors and the Surface sample for Silverlight Davide Zordan brought Multi-Touch to the Silverlight Simon game on CodePlex using Blend Behaviors. New Video Tutorial: How to Use a Behavior to Fire Methods from Objects in Styles Victor Gaudioso has a video tutorial up responding to a question from a developer. He demonstrates development of a Behavior that can be attached to objects in or out of Styles that allows you to specify what Method they need to fire. Creating a Silverlight Client for @shanselman ’s Nerd Dinner, using oData and Bing Maps Anoop Madhusudanan took Scott Hanselman's post on an OData API for StackOverflow, and has created a Silverlight client for Nerd Dinner, including BingMaps. A Chrome and Glass Theme - Part 2 Phil Middlemiss has the next part of his Chrome and Glass Theme up. In this one he creates a very nice chrome-look button with visual state changes. MVVM Light Toolkit V3 SP1 for Windows Phone 7 Laurent Bugnion has released a new version of MVVM Light for WP7. Included is an installation manual and information about what was changed. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Silverlight Cream for December 28, 2010 -- #1017

    - by Dave Campbell
    In this Issue: Davide Zordan, Alex Golesh, Michael S. Scherotter, Andrej Tozon, Alex Knight, Jeff Blankenburg(-2-), Jeremy Likness, and Laurent Bugnion. Above the Fold: Silverlight: "My “What’s new in Silverlight 4 demo” app" Andrej Tozon WP7: "Taking a screenshot from within a Silverlight #WP7 application" Laurent Bugnion Expression Blend: "PathListBox: getting started" Alex Knight Shoutouts: If you haven't seen this SurfCube app demo on YouTube yet... check it out now: SurfCube V1.0 Windows Phone 7 Browser Want to get a free WP7 class from Shawn Wildermuth? Check this out: Webinar: Writing your first Windows Phone 7 Application Koen Zwikstra announed the next preview of his great tool: Silverlight Spy Preview 2 From SilverlightCream.com: Using the Multi-Touch Behavior in a Windows Phone 7 Multi-Page application Davide Zordan has a post up responding to questions he receives about multi-touch on WP7 in applications spanning more than one page. Silverlight for Windows Phone 7 Quick Tip: Fix missing icons while using DatePicker/TimePicker controls Alex Golesh discusses the use of the DatePicker control from the WP7 toolkit and found an unpleasant surprise associated with the Done/Cancel icons in the ApplicationBar, and has a solution for us. Updated SMF Thumbnail Scrubbing Sample Code Michael S. Scherotter has a post up about an update he's done to Silverlight 4 of code that allows thumbnail views of a video while 'scrubbing' ... don't know what that is? read the post :) My “What’s new in Silverlight 4 demo” app Andrej Tozon admits he's a little behind with this post, but as he points out, it might be a good time to review Silverlight 4 features, on the eve of 5. PathListBox: getting started One half the Knight team -- Alex Knight this time, has the first post of a series on the PathListBox up ... some real Expression Blend goodness. What I Learned in WP7 – Issue #9 Two more from Jeff Blankenburg today, in his number 9, he starts off demonstrating passing data between pages when navigating and fnishes up with some excellent info for submitting apps to the marketplace. What I Learned in WP7 – #Issue 10 Jeff Blankenburg's number 10 elaborates on the query string data he discussed in number 9. Using Sterling in Windows Phone 7 Applications Who better than the author?? Jeremy Likness has an end-to-end WP7/Sterling app up on his blog... begin with downloading Sterling, discuss what's needed to support Tombstoning, even custom serialization. Taking a screenshot from within a Silverlight #WP7 application Laurent Bugnion has a post up describing something people have been looking for: getting a screenshot of a WP7 application's page. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Daily tech links for .net and related technologies - May 26-29, 2010

    - by SanjeevAgarwal
    Daily tech links for .net and related technologies - May 26-29, 2010 Web Development Porting MVC Music Store to Raven: StoreController - Ayende Building a Store Locator ASP.NET Application Using Google Maps API - Scott Mitchell Anti-Forgery Request Recipes For ASP.NET MVC And AJAX - Dixin How to Localize an ASP.NET MVC Application - Michael Ceranski Tekpub ASP.NET MVC 2 Starter Site 0.5 Released - Rob Conery How to use Google Data API in ASP.NET MVC. Part 2 - Mahdi jQuery.validate and Html.ValidationSummary...(read more)

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  • endpoint.tv - Troubleshooting with AppFabric

    - by The Official Microsoft IIS Site
    Troubleshooting applications in production is always a challenge. With AppFabric monitoring your workflows and services, you get great information about exactly what is happening, including notices about unhandled exceptions. In this episode, Michael McKeown will show you more about how you can use these features to troubleshoot problems with your applications. Be sure to check out the AppFabric Wiki for more great tips, and to share yours as well....( read more ) Read More......(read more)

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  • An XEvent a Day (27 of 31) – The Future - Tracking Page Splits in SQL Server Denali CTP1

    - by Jonathan Kehayias
    Nearly two years ago Kalen Delaney blogged about Splitting a page into multiple pages , showing how page splits occur inside of SQL Server.  Following her blog post, Michael Zilberstein wrote a post, Monitoring Page Splits with Extended Events , that showed how to see the sqlserver.page_split Events using Extended Events.  Eladio Rincón also blogged about Using XEvents (Extended Events) in SQL Server 2008 to detect which queries are causing Page Splits , but not in relation to Kalen’s blog...(read more)

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  • Creating extendible applications with MEF

    - by Visual WebGui
    Ever wanted to create an application that is easy to maintain and even more easy to extend? Then the following piece by Michael Hensen about Microsoft Extension Framework (MEF) could be a solution for your needs! With MEF, which is part of VS2010 own extensions platform, you can write parts of an application is an enclosed dll. This way you can build up your application the normal way and based on the requirements of a client you can add or remove functions as easy as removing a dll from the base...(read more)

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