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• xcode 5.1: libCordova.a architecture problems

  - by inorganik

  Yesterday (3/10/14) when iOS 7.1 was released I also upgraded to Xcode 5.1 and found that my PhoneGap/Cordova project would no longer compile to my iPhone 5s. I also upgraded Cordova to the most recent release: v 3.4.0-0.1.3. I have read many different solutions on SO that relate so changing active architectures and building only active architectures, and none of them work. So here's what I've tried and the errors I get. Initially I got the error: missing required architecture arm64 in file <long file path omitted> libCordova.a Undefined symbols for architecture arm64 So I tried the following. I selected the CordovaLib sub-project in my project, and in both the project and target, I went to Build Settings under Architectures and made sure that arm64 was not included in any of the Debug or Release architectures. At this time Build Active Architecture Only is set to "Yes". That resulted in the following error: file was built for archive which is not the architecture being linked (armv7): <long file path omitted> libCordova.a Undefined symbols for architecture armv7 Setting Build Active Architecture Only to "No", the error again becomes: missing required architecture arm64 in file <long file path omitted> libCordova.a Undefined symbols for architecture arm64 I'm not sure what else to try. The project's architecture settings only includes the key "Base SDK" which is set to iOS 7.1. The project's target does not have architectures settings. Anyway I'm fairly certain the problem lies with the embedded CordovaLib sub-project. What can I do to make this thing compile to my device successfully? Update: same issue on Apache's Jira: https://issues.apache.org/jira/browse/CB-6223

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• GD PHP Base64 Picture (png) error

  - by hogofwar

  This is part of my code: $con = mysql_connect("localhost","username","passs"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("database", $con); if(mysql_num_rows(mysql_query("SELECT name FROM xbox_user WHERE name = '$user'"))){ // Code inside if block if userid is already there $result = mysql_query("SELECT name FROM xbox_user WHERE name = '$user'"); while($row = mysql_fetch_array($result)) { if ($row['date'] > $row['date']+100){ $src = imagecreatefrompng($result['XboxInfo']['TileUrl']); $base64= base64_encode(file_get_contents($result['XboxInfo']['TileUrl'])); $date = date("Ymd"); mysql_query("UPDATE xbox_user SET date = '$date' SET avatar = '$base64' WHERE name = '$user'"); }else{ $encode = $row['avatar']; //echo $encode; $rand = rand(1, 1337); file_put_contents('/tmp/'.$rand.'.png', base64_decode($row['avatar'])); //ERROR LINE $src = imagecreatefrompng('/tmp/'.$rand.'.png'); unlink('/tmp/'.$rand.'.png'); } } }else{ $src = imagecreatefrompng($result['XboxInfo']['TileUrl']); $base64= base64_encode(file_get_contents($result['XboxInfo']['TileUrl'])); $date = date("Ymd"); mysql_query("INSERT INTO xbox_user (name, avatar, date) VALUES ('$user', '$base64', '$date')"); } It comes up with multiple errors but I feel this one should be addressed first as the other could just be caused by the first error: Warning: imagecreatefrompng() [function.imagecreatefrompng]: '/tmp/628.png' is not a valid PNG file in /home/nah/public_html/experiment/xbox/draw3.php on line 60 It also does create an entry in my mysql DB

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• SSAS Cube reprocessing fails - then succeeds if I try again

  - by EdgarVerona

  So I'm basically brand new to the concept of BI, and I've inherited an existing ETL process that is a two step process: 1) Loads the data into a database that is only used by the cube processing 2) Starts off the SSAS cube processing against said database It seems pretty well isolated, but occasionally (once a week, sometimes twice) it will fail with the following exception: "Errors in the OLAP storage engine: The attribute key cannot be found" Now the interesting thing is that: 1) The dimension having the issue is not usually the same one (i.e. there's no single dimension that consistently has this failure) 2) The source table, when I inspect it, does actually contain the attribute key that it says could not be found And, most interestingly... 3) If I then immediately reprocess the dimensions and cubes manually through SSMS, they reprocess successfully and without incident. In both the aforementioned job and when I reprocess them through SSMS, I am using "ProcessFull", so it should be reprocessing them completely. Has anyone run into such an issue? I'm scratching my head about it... because if it was a genuine data integrity issue, reprocessing the cube again wouldn't fix it. What on earth could be happening? I've been tasked with finding out why this happens, but I can neither reproduce it consistently nor can I point to a data integrity problem as the root cause. Thanks for any input you can provide!

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• Python Socket Getting Connection Reset

  - by Ian

  I created a threaded socket listener that stores newly accepted connections in a queue. The socket threads then read from the queue and respond. For some reason, when doing benchmarking with 'ab' (apache benchmark) using a concurrency of 2 or more, I always get a connection reset before it's able to complete the benchmark (this is taking place locally, so there's no external connection issue). class server: _ip = '' _port = 8888 def __init__(self, ip=None, port=None): if ip is not None: self._ip = ip if port is not None: self._port = port self.server_listener(self._ip, self._port) def now(self): return time.ctime(time.time()) def http_responder(self, conn, addr): httpobj = http_builder() httpobj.header('HTTP/1.1 200 OK') httpobj.header('Content-Type: text/html; charset=UTF-8') httpobj.header('Connection: close') httpobj.body("Everything looks good") data = httpobj.generate() sent = conn.sendall(data) def http_thread(self, id): self.log("THREAD %d: Starting Up..." % id) while True: conn, addr = self.q.get() ip, port = addr self.log("THREAD %d: responding to request: %s:%s - %s" % (id, ip, port, self.now())) self.http_responder(conn, addr) self.q.task_done() conn.close() def server_listener(self, host, port): self.q = Queue.Queue(0) sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.bind( (host, port) ) sock.listen(5) for i in xrange(4): #thread count thread.start_new(self.http_thread, (i+1, )) while True: self.q.put(sock.accept()) sock.close() server('', 9999) When running the benchmark, I get totally random numbers of good requests before it errors out, usually between 4 and 500. Edit: Took me a while to figure it out, but the problem was in sock.listen(5). Because I was using apache benchmark with a higher concurrency (5 and up) it was causing the backlog of connections to pile up, at which point the connections started getting dropped by the socket.

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• How do I associate Parameters to Command objects in ADO with VBScript?

  - by Krashman5k

  I have been working an ADO VBScript that needs to accept parameters and incorporate those parameters in the Query string that gets passed the the database. I keep getting errors when the Record Set Object attempts to open. If I pass a query without parameters, the recordset opens and I can work with the data. When I run the script through a debugger, the command object does not show a value for the parameter object. It seems to me that I am missing something that associates the Command object and Parameter object, but I do not know what. Here is a bit of the VBScript Code: ... 'Open Text file to collect SQL query string' Set fso = CreateObject("Scripting.FileSystemObject") fileName = "C:\SQLFUN\Limits_ADO.sql" Set tso = fso.OpenTextFile(fileName, FORREADING) SQL = tso.ReadAll 'Create ADO instance' connString = "DRIVER={SQL Server};SERVER=myserver;UID=MyName;PWD=notapassword; Database=favoriteDB" Set connection = CreateObject("ADODB.Connection") Set cmd = CreateObject("ADODB.Command") connection.Open connString cmd.ActiveConnection = connection cmd.CommandText = SQL cmd.CommandType = adCmdText Set paramTotals = cmd.CreateParameter With paramTotals .value = "tot%" .Name = "Param1" End With 'The error occurs on the next line' Set recordset = cmd.Execute If recordset.EOF then WScript.Echo "No Data Returned" Else Do Until recordset.EOF WScript.Echo recordset.Fields.Item(0) ' & vbTab & recordset.Fields.Item(1) recordset.MoveNext Loop End If The SQL string that I use is fairly standard except I want to pass a parameter to it. It is something like this: SELECT column1 FROM table1 WHERE column1 IS LIKE ? I understand that ADO should replace the "?" with the parameter value I assign in the script. The problem I am seeing is that the Parameter object shows the correct value, but the command object's parameter field is null according to my debugger.

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• Do overlays work correctly in Emacs for Windows?

  - by Cheeso

  I'm using Flymake on C# code, emacs v22.2.1 on Windows. The Flymake stuff has been working well for me. For those who don't know, you can read an overview of flymake, but the quick story is that flymake repeatedly builds the source file you are currently working on in the background, for the purpose of doing syntax checking. It then highlights the compiler warnings and erros in the current buffer. Flymake didn't work for C# initially, but I "monkey-patched it" and it works nicely now. If you edit C# in emacs, I highly recommend using flymake. The only problem I have is with the UI. Flymake highlights the errors and warnings nicely, and then inserts "overlays" with the full error or warning text. IF I hover the mouse pointer over the highlighted line in code, the overlay pops up. But as you can see, the overlay is truncated, and it doesn't display correctly. Flymake seems to be doing the right thing, it's the overlay part that seems broken. Do overlays work correctly in emacs for Windows? Where do I look to fix this?

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• #Error showing up in multiple LEFT JOIN statement Access query when value should be NULL

  - by lar

  I'm trying to return an ID's last 4 years of data, if existing. The table (call it A_TABLE) looks like this: ID, Year, Val The idea behind the query is this: for each ID/Year in the table, LEFT JOIN with Year-1, Year-2, and Year-3 (to get 4 years of data) and then return Val for each year. Here's the SQL: SELECT a.ID, a.year AS [Year], a.Val AS VAL, a1.year AS [Year-1], a1.Val AS [VAL-1], a2.year AS [Year-2], a2.Val AS [VAL-2], a3.year AS [Year-3], a3.Val AS [VAL-3] FROM ( ([A_TABLE] AS a LEFT JOIN [A_TABLE] AS a1 ON (a.ID = a1.ID) AND (a.year = a1.year+1)) LEFT JOIN [A_TABLE] AS a2 ON (a.ID = a2.ID) AND (a.year = a2.year+2)) LEFT JOIN [A_TABLE] AS a3 ON (a.ID = a3.ID) AND (a.year = a3.year+3) The problem is that, for past years where there is no data (eg, Year-1), I see "#Error" in the appropriate VAL column (eg, [VAL-1]). The weird thing is, I see the expected "null" in the Year column (eg, [YEAR-1]). Some sample data: ID YEAR VAL Dave 2004 1 Dave 2006 2 Dave 2007 3 Dave 2008 5 Dave 2009 0 outputs like this: ID YEAR VAL YEAR-1 VAL-1 YEAR-2 VAL-2 YEAR-3 VAL-3 Dave 2004 1 #Error #Error #Error Dave 2006 2 #Error 2004 1 #Error Dave 2007 3 2006 2 #Error 2004 1 Dave 2008 5 2007 3 2006 2 #Error Dave 2009 0 2008 5 2007 3 2006 2 Does that make sense? Why am I getting the appropriate NULL val for the non-existent YEARs, but an #Error for the non-existent VALs? (This is Access 2000. Conditional statements like "IIf(a1.val is null, -999, a1.val)" do not seem to do anything.) EDIT: It turns out that the errors are somehow caused by the fact that A_TABLE is actually a query. When I put all the data into an actual table and run the same query, everything shows up as it should. Thanks for the help, everyone.

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• using fopen on uploaded file with php

  - by Patrick

  Im uploading a file, and then attempting to use fgetcsv to do things to it. This is my script below. Everything was working fine before i added the file upload portions. Now its not showing any errors, its just not displaying the uploaded data. Im getting my "file uploaded" notice, and the file is saving properly, but the counter for number of entries is showing 0. if(isset($_FILES[csvgo])){ $tmp = $_FILES[csvgo][tmp_name]; $name = "temp.csv"; $tempdir = "csvtemp/"; if(move_uploaded_file($tmp, $tempdir.$name)){ echo "file uploaded<br>"; } $csvfile = $tempdir.$name; $fh = fopen($csvfile, 'r'); $headers = fgetcsv($fh); $data = array(); while (! feof($fh)) { $row = fgetcsv($fh); if (!empty($row)) { $obj = new stdClass; foreach ($row as $i => $value) { $key = $headers[$i]; $obj->$key = $value; } $data[] = $obj; } } fclose($fh); $c=0; foreach($data AS $key){ $c++; $phone = $key->PHONE; $fax = $key->Fax; $email = $key->Email; // do things with the data here } echo "$c entries <br>"; }

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• Is there a problem with this MySQL Query?

  - by ThinkingInBits

  http://pastie.org/954073 The echos at the top all display valid data that fit the database schema. There are no connection errors Any ideas? Thanks in advance! Here is the echo'ed query INSERT INTO equipment (cat_id, name, year, manufacturer, model, price, location, condition, stock_num, information, description, created, modified) VALUES (1, 'r', 1, 'sdf', 'sdf', '2', 'd', 'd', '3', 'asdfasdfdf', 'df', '10 May 10', '10 May 10') MySQL is giving: #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'condition, stock_num, information, description, created, modified) VALUES (1, 'r' at line 1 id int(11) unsigned NO PRI NULL auto_increment Edit Delete cat_id int(11) unsigned NO NULL Edit Delete prod_name varchar(255) YES NULL Edit Delete prod_year varchar(10) YES NULL Edit Delete manufacturer varchar(255) YES NULL Edit Delete model varchar(255) YES NULL Edit Delete price varchar(10) YES NULL Edit Delete location varchar(255) YES NULL Edit Delete condition varchar(25) YES NULL Edit Delete stock_num varchar(128) YES NULL Edit Delete information text YES NULL Edit Delete description text YES NULL Edit Delete created varchar(20) YES NULL Edit Delete modified varchar(20) YES NULL Query: INSERT INTO equipment (cat_id, prod_name, prod_year, manufacturer, model, price, location, condition, stock_num, information, description, created, modified) VALUES (1, 'asdf', '234', 'adf', 'asdf', '34', 'asdf', 'asdf', '234', 'asdf', 'asdf', '10 May 10', '10 May 10')

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• Python c_types .dll functions (pari library)

  - by silinter

  Alright, so a couple days ago I decided to try and write a primitive wrapper for the PARI library. Ever since then I've been playing with ctypes library in loading the dll and accessing the functions contained using code similar to the following: from ctypes import * libcyg=CDLL("<path/cygwin1.dll") #It needs cygwin to be loaded. Not sure why. pari=CDLL("<path>/libpari-gmp-2.4.dll") print pari.fibo #fibonacci function #prints something like "<_FuncPtr object at 0x00BA5828>" So the functions are there and they can potentially be accessed, but I always recieve an access violation no matter what I try. For example: pari.fibo(5) #access violation pari.fibo(c_int(5)) #access violation pari.fibo.argtypes=[c_long] #setting arguments manually pari.fibo.restype=long #set the return type pari.fibo(byref(c_int(5))) #access violation reading 0x04 consistently and any variation on that, including setting argtypes to receive pointers. The Pari .dll is written in C and the fibonacci function's syntax within the library is GEN fibo(long x) (docs @http://pari.math.u-bordeaux.fr/dochtml/html/Arithmetic_functions.html#fibonacci, I need more rep it seems). Could it be the return type that's causing these errors, as it is not a standard int or long but a GEN type, which is unique to the PARI library? Any help would be appreciated. If anyone is able to successfully load the library and use ANY function from within python, please tell; I've been at this for hours now.

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• How do I escape ampersands in batch files?

  - by Peter Mortensen

  How do I escape ampersands in a batch file (or from the Windows command line) in order to use the start command to open web pages with ampersands in the URL? Double quotes will not work with start; this starts a new command line window instead. Update 1: Wael Dalloul's solution works. In addition, if there are URL encoded characters (e.g. space is encoded as %20) in the URL and it is in a batch file then '%' must be encoded as '%%'. This is not the case in the example. Example, from the command line (CMD.EXE): start http://www.google.com/search?client=opera&rls=en&q=escape+ampersand&sourceid=opera&ie=utf-8&oe=utf-8 will result in http://www.google.com/search?client=opera being opened in the default browser and these errors in the command line window: 'rls' is not recognized as an internal or external command, operable program or batch file. 'q' is not recognized as an internal or external command, operable program or batch file. 'sourceid' is not recognized as an internal or external command, operable program or batch file. 'ie' is not recognized as an internal or external command, operable program or batch file. 'oe' is not recognized as an internal or external command, operable program or batch file. Platform: Windows XP 64 bit SP2.

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• Unit tests and Test Runner problems under .Net 4.0

  - by Brett Rigby

  Hi there, We're trying to migrate a .Net 3.5 solution into .Net 4.0, but are experiencing complications with the testing frameworks that can operate using an assembly that is built using version 4.0 of the .Net Framework. Previously, we used NUnit 2.4.3.0 and NCover 1.5.8.0 within our NAnt scripts, but NUnit 2.4.3.0 doesn't like .Net 4.0 projects. So, we upgraded to a newer version of the NUnit framework within the test project itself, but then found that NCover 1.5.8.0 doesn't support this version of NUnit. We get errors in the code saying words to the effect of the assembly was built using a newer version of the .Net Framework than is currently in use, as it's using .Net Framework 2.0 to run the tools. We then tried using Gallio's Icarus test runner GUI, but found that this and MbUnit only support up to version 3.5 of the .Net Frameword and the result is "the tests will be ignored". In terms of the coverage side of things (for reporting into CruiseControl.net), we have found that PartCover is a good candidate for substituting-out NCover, (as the newer version of NCover is quite dear, and PartCover is free), but this is a few steps down the line yet, as we can't get the test runners to work first!! Can any shed any light on a testnig framework that will run under .Net 4.0 in the same way as I've described above? If not, I fear we may have to revert back to using .Net 3.5 until the manufacturers of the tooling that we're currently using have a chance to upgrade to .Net 4.0. Thanks.

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• Problem using NSXMLParser with NOAA data on iPhone

  - by Amagrammer

  Can anyone help me see why NSXMLParser is not causing these methods parser:didStartElement:namespaceURI:qualifiedName:attributes: parser:didEndElement:namespaceURI:qualifiedName:attributes: to fire for the part of the following data: <?xml version="1.0" encoding="ISO-8859-1"?><SOAP-ENV:Envelope SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><ns1:NDFDgenResponse xmlns:ns1=""><dwmlOut xsi:type="xsd:string"><?xml version="1.0"?> <dwml version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.nws.noaa.gov/forecasts/xml/DWMLgen/schema/DWML.xsd"> (body excluded) </dwml> </dwmlOut></ns1:NDFDgenResponse></SOAP-ENV:Body></SOAP-ENV:Envelope> I'm not an XML expert, but to me, the part looks like just a regular element, to be parsed just like the parts before it. I do get two parser:parseErrorOccurred: errors, #200 and #201, but they occur during the parsing of the <SOAP-ENV:Body> element, not the element, so I'm not sure if they are relevant. Thanks for any help you can give me.

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• Why isn't module_filters filetering Mail::IspMailGate in CPAN::Mini?

  - by user304122

  Edited - Ummm - now have a module in schwigon giving same problem !! I am on a corporate PC that forces mcshield on everything that moves. I get blocked when trying to mirror on ... authors/id/J/JV/JV/EekBoek-2.00.01.tar.gz ... updated authors/id/J/JV/JV/CHECKSUMS ... updated Could not stat tmpfile '/cygdrive/t/cpan_mirror/authors/id/J/JW/JWIED/Mail-IspMailGate-1.1013.tar.gz-4712': No such file or directory at /usr/lib/perl5/site_perl/5.10/LWP/UserAgent.pm line 851. authors/id/J/JW/JWIED/Mail-IspMailGate-1.1013.tar.gz At this point, I get the Virus scanner mcshield sticking its Awr in. To maintain my mirror I execute:- #!/usr/bin/perl CPAN::Mini->update_mirror( remote => "http://mirror.eunet.fi/CPAN", local => "/cygdrive/t/cpan_mirror/", trace => 1, errors => 1, module_filters => [ qr/kjkjhkjhkjkj/i, qr/clamav/i, qr/ispmailgate/i, qr/IspMailGate/, qr/Mail-IspMailGate/, qr/mail-ispmailgate/i, ], path_filters => [ qr/ZZYYZZ/, #qr/WIED/, #qr/RJBS/, ] ); It skips OK if I enable the path_filter WIED. Just cannot get it to skip the module failing module to complete other WIED modules. Any ideas?

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• Why is python decode replacing more than the invalid bytes from an encoded string?

  - by dangra

  Trying to decode an invalid encoded utf-8 html page gives different results in python, firefox and chrome. The invalid encoded fragment from test page looks like 'PREFIX\xe3\xabSUFFIX' >>> fragment = 'PREFIX\xe3\xabSUFFIX' >>> fragment.decode('utf-8', 'strict') ... UnicodeDecodeError: 'utf8' codec can't decode bytes in position 6-8: invalid data What follows is the summary of replacement policies used to handle decoding errors by python, firefox and chrome. Note how the three differs, and specially how python builtin removes the valid S (plus the invalid sequence of bytes). by Python The builtin replace error handler replaces the invalid \xe3\xab plus the S from SUFFIX by U+FFFD >>> fragment.decode('utf-8', 'replace') u'PREFIX\ufffdUFFIX' >>> print _ PREFIX?UFFIX The python implementation builtin replace error handler looks like: >>> python_replace = lambda exc: (u'\ufffd', exc.end) As expected, trying this gives same result than builtin: >>> codecs.register_error('python_replace', python_replace) >>> fragment.decode('utf-8', 'python_replace') u'PREFIX\ufffdUFFIX' >>> print _ PREFIX?UFFIX by Firefox Firefox replaces each invalid byte by U+FFFD >>> firefox_replace = lambda exc: (u'\ufffd', exc.start+1) >>> codecs.register_error('firefox_replace', firefox_replace) >>> test_string.decode('utf-8', 'firefox_replace') u'PREFIX\ufffd\ufffdSUFFIX' >>> print _ PREFIX??SUFFIX by Chrome Chrome replaces each invalid sequence of bytes by U+FFFD >>> chrome_replace = lambda exc: (u'\ufffd', exc.end-1) >>> codecs.register_error('chrome_replace', chrome_replace) >>> fragment.decode('utf-8', 'chrome_replace') u'PREFIX\ufffdSUFFIX' >>> print _ PREFIX?SUFFIX The main question is why builtin replace error handler for str.decode is removing the S from SUFFIX. Also, is there any unicode's official recommended way for handling decoding replacements?

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• Using ThreadPool.QueueUserWorkItem - thread unexpectedly exits

  - by alex

  I have the following method: public void PutFile(string ID, Stream content) { try { ThreadPool.QueueUserWorkItem(o => putFileWorker(ID, content)); } catch (Exception ex) { OnPutFileError(this, new ExceptionEventArgs { Exception = ex }); } } The putFileWorker method looks like this: private void putFileWorker(string ID, Stream content) { //Get bucket name: var bucketName = getBucketName(ID) .ToLower(); //get file key var fileKey = getFileKey(ID); try { //if the bucket doesn't exist, create it if (!Amazon.S3.Util.AmazonS3Util.DoesS3BucketExist(bucketName, s3client)) s3client.PutBucket(new PutBucketRequest { BucketName = bucketName, BucketRegion = S3Region.EU }); PutObjectRequest request = new PutObjectRequest(); request.WithBucketName(bucketName) .WithKey(fileKey) .WithInputStream(content); S3Response response = s3client.PutObject(request); var xx = response.Headers; OnPutFileCompleted(this, new ValueEventArgs { Value = ID }); } catch (Exception e) { OnPutFileError(this, new ExceptionEventArgs { Exception = e }); } } I've created a little console app to test this. I wire up event handlers for the OnPutFileError and OnPutFileCompleted events. If I call my PutFile method, and step into this, it gets to the "//if the bucket doesn't exist, create it" line, then exits. No exception, no errors, nothing. It doesn't complete (i've set breakpoints on my event handlers too) - it just exits. If I run the same method without the ThreadPool.QueueUserWorkItem then it runs fine... Am I missing something?

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• Rename a file with perl

  - by perlnoob

  I have a file in a different folder I want to rename in perl, I was looking at a solution earlier that showed something like this: for (<backup.rar>) { my $file = $_; my $new = $_ 'backup'. @test .'.rar'; rename $file, $new or die "Error, can not rename $file as $new: $!"; } however backup.rar is in a different folder, I did try putting "C:\backup\backup.rar" in the < above, however I got the same error. C:\Program Files\WinRARperl backup.pl String found where operator expected at backup.pl line 35, near "$_ 'backup'" (Missing operator before 'backup'?) syntax error at backup.pl line 35, near "$_ 'backup'" Execution of backup.pl aborted due to compilation errors. I was using # Get time my @test = POSIX::strftime("%m-%d-%Y--%H-%M-%S\n", localtime); print @test; To get the current time, however I couldn't seem to get it to rename correctly. What can I do to fix this? Please note I am doing this on a windows box.

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• .NET Sockets Buffer Overflow No Error

  - by Michael Covelli

  I have one thread that is receiving data over a socket like this: while (sock.Connected) { // Receive Data (Block if no data) recvn = sock.Receive(recvb, 0, rlen, SocketFlags.None, out serr); if (recvn <= 0 || sock == null || !sock.Connected) { OnError("Error In Receive, recvn <= 0 || sock == null || !sock.Connected"); return; } else if (serr != SocketError.Success) { OnError("Error In Receive, serr = " + serr); return; } // Copy Data Into Tokenizer tknz.Read(recvb, recvn); // Parse Data while (tknz.MoveToNext()) { try { ParseMessageAndRaiseEvents(tknz.Buffer(), tknz.Length); } catch (System.Exception ex) { string BadMessage = ByteArrayToStringClean(tknz.Buffer(), tknz.Length); string msg = string.Format("Exception in MDWrapper Parsing Message, Ex = {0}, Msg = {1}", ex.Message, BadMessage); OnError(msg); } } } And I kept seeing occasional errors in my parsing function indicating that the message wasn't valid. At first, I thought that my tokenizer class was broken. But after logging all the incoming bytes to the tokenizer, it turns out that the raw bytes in recvb weren't a valid message. I didn't think that corrupted data like this was possible with a tcp data stream. I figured it had to be some type of buffer overflow so I set sock.ReceiveBufferSize = 1024 * 1024 * 8; and the parsing error never, ever occurs in testing (it happens often enough to replicate if I don't change the ReceiveBufferSize). But my question is: why wasn't I seeing an exception or an error state or something if the socket's internal buffer was overflowing before I changed this buffer size?

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• Android Hashtable Serialization

  - by Nsyed

  Hi All, I am having a weird issue with serialization of a Hashtable. I have made a Server, Client app. Where server(PC/MAC) is serializing a Hashtable and sending it to Client(Android) through UDP. The data is sent/read correctly but I get a bunch of these messages below on LogCat. 04-12 11:19:43.059: DEBUG/dalvikvm(407): GetFieldID: unable to find field Ljava/util/Hashtable;.loadFactor:F Occasionally, I would see these 04-12 11:21:19.150: DEBUG/dalvikvm(407): GC freed 10814 objects / 447184 bytes in 97ms The app would run for 2-3 mins and then crash. Interestingly enough I do not see the Loadfactor errors on SDK 1.5. But I do see the GC Free xxxx objects, quiet often. After debugging I have found that the issue is with de-serialization and the error/warning are coming from following code Code: ByteArrayInputStream bis = new ByteArrayInputStream(bytes); ObjectInputStream ois = new ObjectInputStream(bis); object = ois.readObject(); at Code: object = ois.readObject(); on the client. My server is serializing code is the following. Code: ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(bos); oos.writeObject(obj); Any idea what is going on? Thanks for the Help!

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• gevent install on x86_64 fails: "undefined symbol: evhttp_accept_socket"

  - by digitala

  I'm trying to install gevent on a fresh EC2 CentOS 5.3 64-bit system. Since the libevent version available in yum was too old for another package (beanstalkd) I compiled/installed libevent-1.4.13-stable manually using the following command: ./configure --prefix=/usr && make && make install This is the output from installing gevent: [gevent-0.12.2]# python setup.py build --libevent /usr/lib Using libevent 1.4.13-stable: libevent.so running build running build_py running build_ext Linking /usr/src/gevent-0.12.2/build/lib.linux-x86_64-2.6/gevent/core.so to /usr/src/gevent-0.12.2/gevent/core.so [gevent-0.12.2]# cd /path/to/my/project [project]# python myscript.py Traceback (most recent call last): File "myscript.py", line 9, in <module> from gevent.wsgi import WSGIServer as GeventServer File "/usr/lib/python2.6/site-packages/gevent/__init__.py", line 32, in <module> from gevent.core import reinit ImportError: /usr/lib/python2.6/site-packages/gevent/core.so: undefined symbol: evhttp_accept_socket I've followed exactly the same steps on a local VirtualBox instance (32-bit) and I'm not seeing any errors. How would I fix this?

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• How to make Resig's micro-templates XHTML compliant?

  - by mshelv

  Hello, I have been experimenting with John Resig's micro-template, which works great. However, the mark-up will not pass the XHTML 1.0 Transitional validation test. (Among other things, id attributes yield errors.) Replacing tags identifiers <, with [[,]], passes validation. Thus, I created a js script which at load time (jQuery document ready) converts the square brackets back to regular markers. This works fine in FF, but not in IE, Chrome, etc. Scripts embedded within CDATA tags validate as well. Question: Is there a way to insert micro-template in a script and still pass XHTML validation? My idea was to remove the CDATA tags once the page has been loaded. But there are probably smarter ways. (Note: I'd prefer not to inject HTML via js since the mark-up will be difficult to maintain.) PS: I looked at other js templates, but they are either not XHTML compliant or too bulky. TIA for any hints.

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• Expression Blend doesn't recognize comand objects declared in code behind file

  - by Brian Ensink

  I have a WPF UserControl. The code behind file declares some RoutedUICommand objects which are referenced in the XAML. The application builds and runs just fine. However Expression Blend 3 cannot load the XAML in the designer and gives errors like this one: The member "ResetCameraComand" is not recognized or accessible. The class and the member are both public. Building and rebuilding the project in Blend and restarting Blend hasn't helped. Any ideas what the problem is? Here are fragments of my XAML ... <UserControl x:Class="CAP.Visual.CameraAndLightingControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:CAP.Visual;assembly=VisualApp" Height="100" Width="700"> <UserControl.CommandBindings> <CommandBinding Command="local:CameraAndLightingControl.ResetCameraCommand" Executed="ResetCamera_Executed" CanExecute="ResetCamera_CanExecute"/> </UserControl.CommandBindings> .... ... and the code behind C# namespace CAP.Visual { public partial class CameraAndLightingControl : UserControl { public readonly static RoutedUICommand ResetCameraCommand; static CameraAndLightingControl() { ResetCameraCommand = new RoutedUICommand("Reset Camera", "ResetCamera", typeof(CameraAndLightingControl)); }

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• MATLAB Easter Egg Spy vs Spy

  - by Aqui1aZ3r0

  I heard that MATLAB 2009b or earlier had a fun function. When you typed spy in the console, you would get something like this: http://t2.gstatic.com/images?q=tbn:ANd9GcSHAgKz-y1HyPHcfKvBpYmZ02PWpe3ONMDat8psEr89K0VsP_ft However, now you have an image like this:http://undocumentedmatlab.com/images/spy2.png I'd like it if I could get the code of the original spy vs spy image FYI, there's a code, but has certain errors in it: c = [';@3EA4:aei7]ced.CFHE;4\T*Y,dL0,HOQQMJLJE9PX[[Q.ZF.\JTCA1dd' '-IorRPNMPIE-Y\R8[I8]SUDW2e+' '=4BGC;7imiag2IFOQLID8''XI.]K0"PD@l32UZhP//P988_WC,U+Z^Y\<2' '&lt;82BF>?8jnjbhLJGPRMJE9/YJ/L1#QMC$;;V[iv09QE99,XD.YB,[_]=3a' '9;CG?@9kokc2MKHQSOKF:0ZL0aM2$RNG%AAW\jw9E.FEE-_G8aG.d]_W5+' '?:CDH@A:lpld3NLIRTPLG=1[M1bN3%SOH4BBX]kx:J9LLL8H9bJ/+d_dX6,' '@;DEIAB;mqmePOMJSUQMJ2\N2cO4&TPP@HCY^lyDKEMMN9+I@+S8,+deY7^' '8@EFJBC<4rnfQPNPTVRNKB3]O3dP5''UQQCIDZ_mzEPFNNOE,RA,T9/,++\8_' '9A2G3CD=544gRQPQUWUOLE4^P4"Q6(VRRIJE[n{KQKOOPK-SE.W:F/,,]Z+' ':BDH4DE>655hSRQRVXVPMF5_Q5#R>)eSSJKF\ao0L.L-WUL.VF8XCH001_[,' ';3EI<eo ?766iTSRSWYWQNG6$R6''S?*fTTlLQ]bp1M/P.XVP8[H9]DIDA=]' '?4D3=FP@877jUTSTXZXROK7%S7(TF+gUUmMR^cq:N9Q8YZQ9_IcIJEBd_^' '@5E@GQA98b3VUTUY*YSPL8&T)UI,hVhnNS_dr;PE.9Z[RCaR?+JTFC?e+' '79FA?HRB:9c4WVUVZ+ZWQM=,WG*VJ-"gi4OTes-XH+bK.#hj@PUvftDRMEF,]UH,UB.TYVWX,e\' '9;ECAKTY< ;eWYXWX\:)YSOE.YI,cL/$ikCqV1guE/PFL-^XI-YG/WZWXY1+]' ':AFDBLUZ=jgY[ZYZ-<7[XQG0[K.eN1&"$K2u:iyO9.PN9-_K8aJ9_]]82[' '?CEFDNW\?khZ[Z[==8\YRH1\M/!O2''#%m31Bw0PE/QXE8+R9bS;da^]93\' '@2FGEOX]ali[][9(ZSL2]N0"P3($&n;2Cx1QN9--L9,SA+T< +d_:4,' 'A3GHFPY^bmj\^]\]??:)[TM3^O1%Q4)%''oA:D0:0OE.8ME-TE,XB,+da;5[' '643IGQZ_cnk]_^]^@@;5\UN4_P2&R6*&(3B;E1<1PN99NL8WF.^C/,a+bY6,' '7:F3HR[dol^_^AA<6]VO5Q3''S>+'');CBF:=:QOEEOO9_G8aH6/d,cZ[Y' '8;G4IS\aep4_a-BD=7''XP6aR4(T?,(5@DCHCC;RPFLPPDH9bJ70+0d\\Z' '9BH>JT^bf45ba.CE@8(YQ7#S5)UD-)?AEDIDDD/QKMVQJ+S?cSDF,1e]a,' ':C3?K4_cg5[acbaADFA92ZR8$T6*VE.*@JFEJEEE0.NNWTK,U@+TEG0?+_bX' ';2D@L9dh6\bdcbBEGD:3[S=)U7+cK/+CKGFLIKI9/OWZUL-VA,WIHB@,`cY']; i = double(c(:)-32); j = cumsum(diff([0; i])< =0) + 1; S = sparse(i,j,1)'; spy(S)

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• What would cause native gem extensions on OS X to build but fail to load?

  - by goodmike

  I am having trouble with some of my rubygems, in particular those that use native extensions. I am on a MacBookPro, with Snow Leopard. I have XCode 3.2.1 installed, with gcc 4.2.1. Ruby 1.8.6, because I'm lazy and a scaredy cat and don't want to upgrade yet. Ruby is running in 32-bit mode. I built this ruby from scratch when my MBP ran OSX 10.4. When I require one of the affected gems in irb, I get a Load Error for the gem extension's bundle file. For example, here's nokogigi dissing me: > require 'rubygems' = true > require 'nokogiri' LoadError: Failed to load /usr/local/lib/ruby/gems/1.8/gems/nokogiri-1.4.1/lib/nokogiri/nokogiri.bundle This is also happening with the Postgres pg and MongoDB mongo gems. My first thought was that the extensions must not be building right. But gem install wasn't throwing any errors. So I reinstalled with the verbose flag, hoping to see some helpful warnings. I've put the output in a Pastie, and the only warning I see is a consistent one about "passing argument n of ‘foo’ with different width due to prototype." I suspect that this might be an issue from upgrading to Snow Leopard, but I'm a little surprised to experience it now, since I've updated my XCode. Could it stem from running Ruby in 1.8.6? I'm embarrassed that I don't know quite enough about my Mac and OSX to know where to look next, so any guidance, even just a pointer to some document I couldn't find via Google, would be most welcome. Michael

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• How to "escape" the JavaScript class keyword to specify a CSS class value.

  - by Robert Claypool

  C# allows a reserved word to be used as a property name via the ampersand. e.g. // In ASP.NET MVC, we use @class to define // the css class attribute for some HtmlHelper methods. var htmlObject = new { readonly = "readonly", @class = "ui-state-highlight" } I want to do the same in JavaScript. e.g. function makeGrid(grid, pager) { grid.jqGrid({ caption: 'Configurations', colNames: ['Id', 'Name'], colModel: [ { name: 'Id', index: 'Id' }, { name: 'Name', index: 'Name', editable: true, editoptions: { readonly: 'readonly', class: 'FormElement readonly' } }, ], pager: pager, url: 'www.example.com/app/configurations") %>', editurl: 'www.example.com/app/configurations/edit") %>' }).navGrid(pager, { edit: true, add: false, del: false, search: false }, {}, {}, {}); } Note class: 'FormElement readonly' is supposed to set the css class value on jqGrid's edit dialog, but IE errors out on the reserved word. Is there an escape character in JavaScript too? #class? @class? &class? Otherwise, how might I tell jqGrid to set the css class on the popup editor? Thank you.

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