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• GEdit/Python execution plugin?

  - by Simon Woods

  Hi I'm just starting out learning python with GEdit plus various plugins as my IDE. Visual Studio/F# has a feature which permits the highlighting on a piece of text in the code window which then, on a keypress, gets executed in the F# console. Is there a similar facility/plugin which would enable this sort of behaviour for GEdit/Python? I do have various execution type plugins (Run In Python,Better Python Console) but they don't give me this particular behaviour - or at least I'm not sure how to configure them to give me this. I find it useful because in learning python, I have some test code I want to execute particular individual lines or small segments of code (rather then a complete file) to try and understand what they are doing (and the copy/paste can get a bit tiresome) ... or perhaps there is a better way to do code exploration? Many thx Simon

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• PyQt4: Why does Python crash on close when using QTreeWidgetItem?

  - by Rini

  I'm using Python 3.1.1 and PyQt4 (not sure how to get that version number?). Python is crashing whenever I exit my application. I've seen this before as a garbage collection issue, but this time I'm not sure how to correct the problem. This code crashes: import sys from PyQt4 import QtGui class MyWindow(QtGui.QMainWindow): def __init__(self, parent=None): QtGui.QMainWindow.__init__(self, parent) self.tree = QtGui.QTreeWidget(self) self.setCentralWidget(self.tree) QtGui.QTreeWidgetItem(self.tree) # This line is the problem self.show() app = QtGui.QApplication(sys.argv) mw = MyWindow() sys.exit(app.exec_()) If I remove the commented line, the code exits without a problem. If I remove the 'self.tree' parent from the initialization, the code exits without a problem. If I try to use self.tree.addTopLevelItem, the code crashes again. What could be the problem?

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• ReSharper/StyleCop-like Visual Studio addon for C/C++

  - by kriau

  Is there any ReSharper/StyleCop-like Visual Studio addon for C/C++? I'm using ReSharper and StyleCop addons every day. Just recently started a new project which involves C/C++ programming. I miss some features from these addons like code formatting, hints/tips to use cleaner and better code, documentation/uniform code requirements, optimizing includes and so on....

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• SVN Source control issues when merging changes

  - by HollyStyles

  I have seen where changes have been made on one code file by two developers code like this: x++ End up like this: x++ x++ where due to carriage returns being inserted/removed (I think) one line has become silently merged as two lines of the same code (no conflicts) Everything compiles but suddenly tests are failing and weird behaviour ensues. Should this be possible? How do I guard against it?

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• Documentation generator for Google Closure Javascript

  - by Julius Eckert

  I want to generate a HTML-Documentation for my Javascript code. The comments in my code are written in a format, the Google Closure Compiler can use to optimize my code. Example: /** * Class for handling timing events. * * @param {number=} opt_interval Number of ms between ticks (Default: 1ms). * @param {Object=} opt_timerObject An object that has setTimeout, setInterval, * clearTimeout and clearInterval (eg Window). * @constructor * @extends {goog.events.EventTarget} */ goog.Timer = function(opt_interval, opt_timerObject) { ... } I am looking for something like http://yardoc.org for Javascript. What tools can you recommend? Are there any specific tools for Google Closure code?

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• lightbox jquery api

  - by codedude

  you guys know how google code has made a ajax api for certain javascript plugins/libraries? Well, is there one for the lightbox plugin? I want to use it on my website, but I can only link to it (its not on my local server,) but I can't find a link that only gives my the javascript code and not the entire page's code. any help would be very much appreciated.

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• Windows Impersonation

  - by Qutbuddin Kamaal

  Will any one please clear with example how can i implement this in my C# code

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• Replicating multicolumn lists from the Django admin CSS

  - by mfalcon

  Hi, I'm developing a Django project and I've to show a multicolumn list for the different objects of a table. I like the design of the django-admin for showing list-objects so I looked at the code to see how it works. As I am a CSS begginer the code seemed a bit difficult and extensive to comprehend. Is there a simplier way to make what I want or actually the CSS code of the django-admin is the path to follow?

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• Tomcat upgradation

  - by cedar715

  We are planning to upgrade our Tomcat from 4.1.31. Our's is an Axis 1.4 application where we have our web services. Request you to suggest the latest stable version of Tomcat 5 or Tomcat 6 suitable for our application. And the things to consider while upgrading. Will the existing 1.4 Java code base works smoothly on Tomcat 5 or 6? And going further we may write the code in JDK 1.5 as well. So, having Java 1.4 code and Java 1.5 code together, will create any problems? Kindly suggest. Please share your upgradation experiences. Thank You :)

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• Having difficulty in mapreduce to understand

  - by mahesh

  Hi all, I have seen the below link which is of getting started mapreduce with python http://code.google.com/p/appengine-mapreduce/wiki/GettingStartedInPython But still I am not able to understand how its working. I am executing below code but not able to understand what exactly is happening? mapreduce.yaml mapreduce: - name: Testmapper mapper: input_reader: mapreduce.input_readers.DatastoreInputReader handler: main.process params: - name: entity_kind default: main.userDetail mapreduce/main.py #some code class userDetail(db.Model): name = db.StringProperty() #some code def process(u): u.name="mahesh" yield op.db.Put(u) I am executing this and it gives me status = success in status page. But not able to understand what happend The main thing I want do with mapreduce is to search or count records from entity So anyone can please help me?? Thanks in advance

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• Brute force a website

  - by bigbrute

  Hi, there's a website i visit that always has these code giveaways where you get a prize for cracking the code. The code is in a format like this: QBYQC-Y??T3-W7G4R-QP4HG-2WQPT and they'll give you a hint such as two letters or a number and a letter. The solution to this is easy, brute-forcing it. However, I need the software that will make my browser repeatedly enter a new combination. What software can I use on Mac (and if not, Windows)?

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• Trying to run psexec to remote to server and recycle app pool

  - by James

  If I run this from my command prompt it works fine. psexec \ServerName cscript.exe iisapp.vbs /a AppName /r I'm trying to do the same thing with C# console app. I'm using the below code but most of the time the application hangs and doesn't complete, and the few times it does it throws an error code. Am I doing this wrong? Anyone know where I can look up the error or error code? static void RecycleAppPool(string sServer) { Console.Clear(); ProcessStartInfo p = new ProcessStartInfo("psexec.exe", "\\\\" + sServer + " cscript.exe iisapp.vbs /a <AppName> /r"); p.RedirectStandardInput = true; p.UseShellExecute = false; Process.Start(p); } When it completes with error, looks like this "cscript.exe exited with error code -2147024664"

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• What to do of exceptions when implementing java.lang.Iterator

  - by Vincent Robert

  The java.lang.Iterator interface has 3 methods: hasNext, next and remove. In order to implement a read-only iterator, you have to provide an implementation for 2 of those: hasNext and next. My problem is that these methods does not declare any exceptions. So if my code inside the iteration process declares exceptions, I must enclose my iteration code inside a try/catch block. My current policy has been to rethrow the exception enclosed in a RuntimeException. But this has issues because the checked exceptions are lost and the client code no longer can catch those exceptions explicitly. How can I work around this limitation in the Iterator class? Here is a sample code for clarity: class MyIterator implements Iterator { @Override public boolean hasNext() { try { return implementation.testForNext(); } catch ( SomethingBadException e ) { throw new RuntimeException(e); } } @Override public boolean next() { try { return implementation.getNext(); } catch ( SomethingBadException e ) { throw new RuntimeException(e); } } ... }

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• Resizing image with Python with locked aspect ratio

  - by David Vinklar

  How should I resize an image with Python script so that it would automatically adjust the Height ratio to the Width used? I'm using the following code: def Do(Environment): # Resize App.Do( Environment, 'Resize', { 'AspectRatio': 1.33333, 'CurrentDimensionUnits': App.Constants.UnitsOfMeasure.Pixels, 'CurrentResolutionUnits': App.Constants.ResolutionUnits.PixelsPerIn, 'Height': 1440, 'MaintainAspectRatio': True, 'Resample': True, 'ResampleType': App.Constants.ResampleType.SmartSize, 'ResizeAllLayers': True, 'Resolution': 72, 'Width': 1920, }) Using this code works perfectly if the aspect ratio of an image is the same as the one defined in the code - i.e. 1.33333. But how should I make it work with images that do not have this ratio? For me, what is important is that the new Width is 1920; Height has to be able to adjust automatically. Any ideas which part of my code should be altered and how?

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• How should I read from a buffered reader?

  - by Roman

  I have the following example of reading from a buffered reader: while ((inputLine = input.readLine()) != null) { System.out.println("I got a message from a client: " + inputLine); } The code in the loop println will be executed whenever something appears in the buffered reader (input in this case). In my case, if a client-application writes something to the socket, the code in the loop (in the server-application) will be executed. But I do not understand how it works. inputLine = input.readLine() waits until something appears in the buffered reader and when something appears there it returns true and the code in the loop is executed. But when null can be returned. There is another question. The above code was taken from a method which throws Exception and I use this code in the run method of the Thread. And when I try to put throws Exception before the run the compiler complains: overridden method does not throw exception. Without the throws exception I have another complain from the compiler: unreported exception. So, what can I do?

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• Get rid of redundant cast to javax.xml.bind.JAXBElement<java.lang.Boolean> warning from CXF-generate

  - by Binary255

  I generate some code using CXF from a WSDL-file. When compiling the code with version "1.6.0_16" with the flag -Xlint I get the following warning: warning: [cast] redundant cast to javax.xml.bind.JAXBElement<java.lang.Boolean> [javac] this.r = ((JAXBElement<Boolean> ) value); What does the warning mean, should I be worried? As I have generated and not written the code, what can I do to get rid of this specific warning?

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• How to restrain one's self from the overwhelming urge to rewrite everything?

  - by Scott Saad

  Setup Have you ever had the experience of going into a piece of code to make a seemingly simple change and then realizing that you've just stepped into a wasteland that deserves some serious attention? This usually gets followed up with an official FREAK OUT moment, where the overwhelming feeling of rewriting everything in sight starts to creep up. It's important to note that this bad code does not necessarily come from others as it may indeed be something we've written or contributed to in the past. Problem It's obvious that there is some serious code rot, horrible architecture, etc. that needs to be dealt with. The real problem, as it relates to this question, is that it's not the right time to rewrite the code. There could be many reasons for this: Currently in the middle of a release cycle, therefore any changes should be minimal. It's 2:00 AM in the morning, and the brain is starting to shut down. It could have seemingly adverse affects on the schedule. The rabbit hole could go much deeper than our eyes are able to see at this time. etc... Question So how should we balance the duty of continuously improving the code, while also being a responsible developer? How do we refrain from contributing to the broken window theory, while also being aware of actions and the potential recklessness they may cause? Update Great answers! For the most part, there seems to be two schools of thought: Don't resist the urge as it's a good one to have. Don't give in to the temptation as it will burn you to the ground. It would be interesting to know if more people feel any balance exists.

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• Passing a value from child window to parent

  - by gnomixa

  Here is my scenario: i have a parent web page, in my javascript code I open a new window. This new window is a server-side aspx page. This child page needs to save some data in the database, and after saving it returns an ID. Now, I need to pass this ID from the child server page to the parent's javascript. Essentially I need the child server code to trigger: 1) return the value to the javascript code of the parent page 2) close itself What would be the acceptable way to do it?

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• what are the disadvantes of using templates?

  - by anish

  one of the disadvantages would be 1: its syntax is complex 2: compiler generates extra code

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• How do you scale a pictureLink object in Excel 2010

  - by vzczc

  In Excel 2007 it is possible to scale a pictureLink object (created with the Camera Tool) using the following VBA code. With ActiveWorkbook.Sheets(sht).Pictures(name) .ShapeRange.ScaleWidth scaleValue, msoTrue .ShapeRange.ScaleHeight scaleValue, msoTrue .top = top .left = left End With This code places the picture correctly in 2010, but the scaleValue is ignored. The 2010 Excel documentation is patchy on this subject. The same code works fine in Excel 2007.

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• jQuery event handler queue

  - by resopollution

  Overview of the problem In jQuery, the order in which you bind a handler is the order in which they will be executed if you are binding to the same element. For example: $('#div1').bind('click',function(){ // code runs first }); $('#div1').bind('click',function(){ // code runs second }); But what if I want the 2nd bound code to run first? . My current solution Currently, my solution is to modify the event queue: $.data(domElement, 'events')['click'].unshift({ type : 'click', guid : null, namespace : "", data : undefined, handler: function() { // code } }); . Question Is there anything potentially wrong with my solution? Can I safely use null as a value for the guid? Thanks in advance. .

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• How do I mock memory allocation failures ?

  - by Andrei Ciobanu

  I want to extensively test some pieces of C code for memory leaks. On my machine I have 4 Gb of RAM, so it's very unlikely for a dynamic memory allocation to fail. Still I want to see the comportment of the code if memory allocation fails, and see if the recover mechanism is "strong" enough. What do you suggest ? How do I emulate an environment with lower memory specs ? How do i mock my tests ? EDIT: I want my tests to be code independent. I only have "access" to return values for different functions in the library I am testing. I am not supposed to write "test logic" inside the code I am testing.

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• macro function in libcurl which return the libcurl version

  - by Mohamed KALLEL

  I m developing a c program using libcurl. when I build my program I can use different version of libcurl. When I change from version to other (of libcurl) I have to change some blocks in my source code to adapt it to the libcurl version. I'm looking to add macro in my code which will check the libcurl version and then determine which block of source code to use automatically Are there a macro function or constant in libcurl which return the libcurl version?

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• How do I access a JavaFX 1.3 static class member from Java?

  - by James

  I want to access a static JavaFX class member from Java using the Javafx reflection API. E.g. JavaFX code: var thing; class MyJavaFXClass { } Java code: private Object getThing() { FXClassType classType = FXContext.getInstance().findClass("mypackage.MyJavaFXClass"); // Get static member 'thing' from 'MyJavaFXClass' // <Insert Code Here> return thing; } What Java code do I need to access 'MyJavaFXClass.thing'? Note: I am using JavaFX 1.3 - I'm not sure if the reflection API is different here to earlier JavaFX versions.

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• How do I tell gcc to relax its restrictions on typecasting when calling a C function from C++?

  - by Daryl Spitzer

  I'm trying to use Cmockery to mock C functions called from C++ code. Because the SUT is in C++, my tests need to be in C++. When I use the Cmockery expect_string() macro like this: expect_string(mock_function, url, "Foo"); I get: my_tests.cpp: In function ‘void test_some_stuff(void**)’: my_tests.cpp:72: error: invalid conversion from ‘void*’ to ‘const char*’ my_tests.cpp:72: error: initializing argument 5 of ‘void _expect_string(const char*, const char*, const char*, int, const char*, int)’ I see in cmockery.h that expect_string is defined: #define expect_string(function, parameter, string) \ expect_string_count(function, parameter, string, 1) #define expect_string_count(function, parameter, string, count) \ _expect_string(#function, #parameter, __FILE__, __LINE__, (void*)string, \ count) And here's the prototype for _expect_string (from cmockery.h): void _expect_string( const char* const function, const char* const parameter, const char* const file, const int line, const char* string, const int count); I believe the problem is that I'm compiling C code as C++, so the C++ compiler is objecting to (void*)string in the expect_string_count macro being passed as the const char* string parameter to the _expect_string() function. I've already used extern "C" around the cmockery.h include in my_tests.cpp like this: extern "C" { #include <cmockery.h> } ...in order to get around name-mangling problems. (See "How do I compile and link C++ code with compiled C code?") Is there a command-line option or some other means of telling g++ how to relax its restrictions on typecasting from my test's C++ code to the C function in cmockery.c? This is the command I'm currently using to build my_tests.cpp: g++ -m32 -I ../cmockery-0.1.2 -c my_tests.cpp -o $(obj_dir)/my_tests.o

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