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  • What does a b prefix before a python string means ?

    - by kriss
    In a python source code I stumbled upon I've seen a small b before a string like in: b"abcdef" I know of u prefix that means unicode and r prefix that means raw. What does the b stand for and in which kind of source code is it useful as it seems to be exactly like a plain string without any prefix ?

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  • [jQuery] JS inside the template

    - by Martin Trigaux
    Hello, I'm trying to include some javascript code inside a template. The code of my html page : <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <script type="text/javascript" src="jquery-1.4.2.min.js"></script> <script type="text/javascript" src="jquery-jtemplates.js"></script> </head> <body> <div id="infos"></div> <div id="my_template"></div> <script type="text/javascript"> $(document).ready(function() { $('#my_template').setTemplateURL("my_template.html"); try { $('#my_template').processTemplate({'var' : 1}); } catch (e) { $('#infos').html('error : '+e); } $('#my_button').click(function(){ alert('it works outside'); }); }); </script> </body> </html> and the template content of the template<br/> {#if $T.var == 1} <script type="text/javascript"> $(document).ready(function() { $('#my_button').click(function(){ alert('it works inside'); }); }); </script> <input type='submit' id='my_button' value='click me' onclick='alert("direct");'/> {#else} not working {#/if} produce me an error inside the infos balise error : SyntaxError: missing } after function body if I just put alert('it works inside'); inside the script balise (remove all the jquery related code), the page load, the two message "direct" and "it works outside" are showed but not "it works inside" message. It's suppose to works as said on the doc page Allow to use JavaScript code in templates Thank you

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  • it takes 2 seconds to compile a hello world C++ project in netbeans (windows)

    - by Ethan
    I used code:blocks as the C++ IDE on Windows. I switched to netbeans 6.8 (with C/C++ plugin, MinGW, MSYS) recently, because netbeas have the nice feature of "checking syntax errors when typing" (same as working on Java or PHP projects). But the painful thing is that, it takes 2 seconds to compile a simple hello world project in netbeans. Any trick to make it as fast as code:blocks, or at least make the compiling time no more than 0.5 second?

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  • How to get only a filename (not full path) into $1, using the PERL, regular expressions

    - by Scott
    I want to keep only the filenames (not full paths) and add the filename to some bbcode. Here is the HTML to be converted: <a href=/path/to/full/image.jpg rel=prettyPhoto><img rel=prettyPhoto src=/path/to/thumb/image.jpg /></a> Notice I cannot have rel="foo" (no double quotes).. Here is what I have in PERL, to perform the conversion: s/\<a href=(.+?)\ rel=prettyPhoto\>\<img rel=prettyPhoto src=(.+?) \/>\<\/a\>/\[box\]$1\[\/box\]/gi; This converts the HTML to: [box]/path/to/image.jpg[/box] But this is what I want as a result: [box]image.jpg[/box] The HTML must remain the same. So how do I change my PERL so that $1 contains only the filename?

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  • Efficiently Reshaping/Reordering Numpy Array to Properly Ordered Tiles (Image)

    - by Phelix
    I would like to be able to somehow reorder a numpy array for efficient processing of tiles. what I got: >>> A = np.array([[1,2],[3,4]]).repeat(2,0).repeat(2,1) >>> A # image like array array([[[1, 1, 2, 2], [1, 1, 2, 2]], [[3, 3, 4, 4], [3, 3, 4, 4]]]) >>> A.reshape(2,2,4) array([[[1, 1, 2, 2], [1, 1, 2, 2]], [[3, 3, 4, 4], [3, 3, 4, 4]]]) what I want: X >>> X array([[[1, 1, 1, 1], [2, 2, 2, 2]], [[3, 3, 3, 3], [4, 4, 4, 4]]]) to be able to do something like: >>> X[X.sum(2)>12] -= 1 >>> X array([[[1, 1, 1, 1], [2, 2, 2, 2]], [[3, 3, 3, 3], [3, 3, 3, 3]]]) Is this possible without a slow python loop? Bonus: Conversion back from X to A Edit: How can I get X from A?

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  • Git pre-receive hook to lunch PHP CodeSniffer

    - by Ralphz
    Hey. I'd like to check code committed to my remote git repository with PHP CodeSniffer and reject it if there are any problems code standards. Does anyone have an example how to use it on git remote repository or maybe example how to use it with pre-receive hook? Thanks.

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  • How to reduce compile time with C++ templates

    - by Shane MacLaughlin
    I'm in the process of changing part of my C++ app from using an older C type array to a templated C++ container class. See this question for details. While the solution is working very well, each minor change I make to the templated code causes a very large amount of recompilation to take place, and hence drastically slows build time. Is there any way of getting template code out of the header and back into a cpp file, so that minor implementation changes don't cause major rebuilds?

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  • How to display an image(all major formats), selected by JFileChooser in java

    - by Tushar Maroo
    I am developing an image editing app, so want to display an image selected by JFileChooser, so what would be best approach so that it can display all formats jpg, png, gif etc. OpenButton is used for invocation of filechooser. private void OpenActionPerformed(java.awt.event.ActionEvent evt) { int returnVal = fileChosser.showOpenDialog(this); if (returnVal == JFileChooser.APPROVE_OPTION) { File file = fileChosser.getSelectedFile(); // What to do with the file // I want code for this part try { //code that might create an exception } catch (Exception e1) { e.printStackTrace(); } } }

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  • How to set a cell value = to whats looping?

    - by digitalgavakie
    I have this code below. How can I set a cell value to = whats looping through that value? Sub Test2() ' Select cell A2, *first line of data*. Range("A2").Select ' Set Do loop to stop when an empty cell is reached. Do Until IsEmpty(ActiveCell) ' Insert your code here. ' Step down 1 row from present location. ActiveCell.Offset(1, 0).Select Loop End Sub

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  • Freeing memory with Pointer Arithmetic

    - by Breedly
    C++ newb here. I'm trying to write my own implementation of an array using only pointers, and I've hit a wall I don't know how to get over. My constructor throws this error array.cpp:40:35: error: invalid conversion from ‘int*’ to ‘int’ [-fpermissive] When my array initializes I want it to free up all the spaces in the array for ints. Array::Array(int theSize){ size = theSize; int *arrayPointer = new int; int index = 0; while(theSize > index){ *(arrayPointer + index) = new int; //This is the trouble line. ++index; } } What am I doing wrong stackoverflow?

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  • Response, Result, Reply, which is best?

    - by Robert Gould
    I'm refactoring some client-server code and it uses the terms Response, Result & Reply for the same thing (an answer from the server). And although its not really that important it's become hard to guess which word to use while writing new code, so I'd like to unify the three terms into one and do the appropriate refactoring, but I'm not sure which word is the "best", if there is such a thing. Any suggestions based on precedence and standards towards naming for this case?

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  • Workaround for UnsupportedAudioFileException ?

    - by tschan
    I'm in a very early stage of writing a small music/rhythm game in Java (via Slick framework, which in turns uses OpenAL, but that's probably irrelevant here). The game needs to read (and playback) several sound files in WAV format, but some of the files are throwing [javax.sound.sampled.UnsupportedAudioFileException] exceptions. at javax.sound.sampled.AudioSystem.getAudioInputStream(AudioSystem.java:1102) at org.newdawn.slick.openal.WaveData.create(WaveData.java:123) at org.newdawn.slick.openal.SoundStore.getWAV(SoundStore.java:713) at org.newdawn.slick.openal.SoundStore.getWAV(SoundStore.java:683) at org.newdawn.slick.Sound.<init>(Sound.java:33) The files can be played back just fine in Winamp or Foobar2000, so this means Java just don't recognize some variants of the file format. What are my options at this point? Note: The files in question are user-supplied, so i cannot just convert them beforehand (using something like audacity). Any conversion steps must be done at runtime.

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  • Help using the jQuery BBQ plug-in with forms

    - by s2xi
    Hi, I have been trying to figure out how to use the jQuery BBQ plug-in. I have been able to add it to my site by copying the code from the site but I'm seeing that if I have a form in one of my tabs, I can't post any of the results successfully. Has anyone used this plug-in and gotten used to its functionality? I need help figuring out where to input my php code for form handling and have the results returned the page loaded in the tab.

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  • Exercise 7.9 in "How to Think Like a Computer Scientist (python)" measuring occurrences of a character in a string

    - by Abie
    The question is how to write a program that measures how many times a character appears in a string in a generalizable way in python. The code that I wrote: def countLetters(str, ch): count=0 index=0 for ch in str: if ch==str[index]: count=count+1 index=index+1 print count when I use this function, it measures the length of the string instead of how many times the character occurs in the string. What did I do wrong? What is the right way to write this code?

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  • Splash Screen Example

    - by Kovu
    Hi, I only want a simple Splash Screen Example. Get the Code, Insert my picture, add 2 lines of code to load and finish. But all I can google is so complex, that is too much. I only want a form with a picture that goes more and more transparent until it hides automaticly and my window is shown. I tried the "prettygoodsplashscreen" from Codeproject, but don't work for me. Lang is c#.net 2.0

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  • What are good RPC frameworks between a Java server and C++ clients?

    - by Zwei Steinen
    Hi, I am looking for a RPC stack that can be used between a Java Server and C++ clients. My requirements are: Ease of integration (for both C++ and Java) Performance, especially number of concurrent connections and response time. Payload are mostly binaries (8-100kb) I found some like: http://code.google.com/p/protobuf-socket-rpc/ http://code.google.com/p/netty-protobuf-rpc/ Are there any other good alternatives?

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  • How is a set partitioned into valid and invalid items using LINQ?

    - by Aaron Anodide
    Is there a way to write a single LINQ expression to get the same result of the following code? var validations = new Func<conversion, bool>[] { c => c.affiliate.affiliate_id > 0, c => c.campaign_id > 0 }; var invalidConversions = from c in extractedConversions where validations.Any(valid => !valid(c)) select c; var validConversions = from c in extractedConversions where validations.All(valid => valid(c)) select c;

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  • populate array fron list onclick javascript

    - by user3703591
    I 'm writing a code with JS and I don't know how to populate array when clicking on button. We have this code, which uses a list (ul), where the items (li) can be moved with mouse. How can do onclick to populate an array with 2 data, its first position and the last position? <!doctype html> <html lang="en"> <head> <script src="http://code.jquery.com/jquery-1.9.1.js"></script> <script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script> <script src="https://raw.github.com/furf/jquery-ui-touch-punch/master/jquery.ui.touch-punch.min.js"></script> <script> $(function() { $( ".documents" ).sortable(); $( ".documents" ).disableSelection(); }); </script> <meta charset="utf-8"> <title>toArray demo</title> <style> span { color: red; } </style> </head> <body> Reversed - <span></span> <ul id="opciones" class="documents"> <li>uno</li> <li>dos</li> <li>tres</li> </ul> <script> function disp( li ) { var a = []; for ( var i = 0; i < li.length; i++ ) { a.push( li[ i ].innerHTML ); } $( "span" ).text( a.join( " " ) ); } disp( $( "li" ).toArray() ); </script> <input type="button" value="actualizar_array" onclick="disp('#opciones')" /> </body> </html>

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  • convert the key in MIME encoded form in python

    - by jaysh
    this is the code : f = urllib.urlopen('http://pool.sks-keyservers.net:11371/pks/lookup?op=get&search= 0x58e9390daf8c5bf3') #Retrieve the public key from PKS data = f.read() decoded_bytes = base64.b64decode(data) print decoded_bytes i need to convert the key in MIME encoded form which is presently comes in (ascii armored) radix 64 format.for that i have to get this radix64 format in its binary form and also need to remove its header and checksum than coversion in MIME format but i didnt find any method which can do this conversion. i used the base64.b64decode method and its give me error: Traceback (most recent call last): File "RetEnc.py", line 12, in ? decoded_bytes = base64.b64decode(data) File "/usr/lib/python2.4/base64.py", line 76, in b64decode raise TypeError(msg) TypeError: Incorrect padding what to do i'didnt getting .can anybody suggest me something related to this...... thanks!!!!

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  • Scala unsatisfiable cyclic dependency in "table-layout" library (Toolkit class)

    - by Atol
    When I try to compile with sbt some code containing an instance of a Table from this library I get this error: java.lang.AssertionError: assertion failed: unsatisfiable cyclic dependency in 'class Toolkit' It seems to work with Java so I don't understand why it fails in Scala. Here is the toolkit class: http://code.google.com/p/table-layout/source/browse/branches/v1/tablelayout/src/com/esotericsoftware/tablelayout/Toolkit.java As long as I get this error I'm totally stopped in my project :(.

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