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  • why do you write tests and what is a unit test and how does it differ other types of testing ?

    - by dfafa
    im curious as to know, why tests are written? why would bother writing it ? why not just compile and run the code or view it in your browser, click around and test out stuff. i mean i can understand, a crawler that checks your web app's functions....but why is tests written, maintained and treated as important as the main feature codes ? is it crucial to always write and use tests ?

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  • STL container to pop() by priority?

    - by Pirate for Profit
    I'm writing a thread-pool for Qt as QRunnable doesn't handle event loops in new threads. Not too familiar with STL, what would be the best way to pop() something by priority? Priority should probably be a property of MyRunnable imo, but I can always give that info to an STL container when adding the runnable to the queue.

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  • symfony2.4 ajax call update or set session issues

    - by user3797283
    i have an issue with symfony2 when i use ajax to set session, hope u pro guys can help me. here is my controller code: //show month event list public function indexAction() { if ($this->getRequest()->isXmlHttpRequest()) { $paging = $this->getRequest()->get("nom"); $session = $this->getRequest()->getSession(); if ($paging) { //if $paging is set, then that's a click pager ajax event //(not 1st time load) $year = $paging; $session->set('year', $year); } else { //$paging is null, it's the first time page load $year = (new \DateTime())->format("Y"); $session->set('year', $year); } $repository = $this ->getDoctrine() ->getManager() ->getRepository('HycAccountBundle:MonthEvent'); $annuallist = $repository->monthListByYear($year); $jsonlist = json_encode($annuallist); return new Response($jsonlist); } //this part is to return entity to twig for using after $em = $this->getDoctrine()->getManager(); $allimages = $em->getRepository('HycAccountBundle:TypeImage') ->findAll(); return $this->render('HycAccountBundle:Account:index.html.twig', array('allimages' => $allimages)); } here is my twig code: <script type="text/javascript"> $(function() { $(document).ready(function (){ jQuery.ajax({ type: 'GET', cache: false, url: "{{ path('hyc_account_homepage') }}", success: function(data, textStatus, jqXHR) { alert({{app.session.get('year')}}); //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //!!!!!!!!! here i can get year 2014 !!!!!!!!!!!!!! //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! }, error:function (){ alert('error!'); } }); return false; }); }); </script> but when i click pager part, for example, i click year 2013, then ajax call will return a number (data: 'nom=' + num) to controller, but there i reset session value to num normally, but i cant get alert correct session (it's always 2014 as the 1st time) here is the code ajax, almost same as above: <script type="text/javascript"> $(document).ready(function(){ //after paging, reload month $('#page-selection').bootpag({ total: 3000, page: 2014, maxVisible: 5 }).on('page', function(event, num){ jQuery.ajax({ type: 'GET', url: "{{ path('hyc_account_homepage') }}", data: 'nom=' + num, success: function(data, textStatus, jqXHR) { alert({{app.session.get('year')}}); //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! //here is the problem, it's always 2014, not set again !!!!!!!! //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! }, error:function (){ alert('error!'); } }); return false; }); }); </script> hope u guys help me, thanks in advance, i've tried for almost 1 day and looked for almost all in google but find nothing = =

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  • Errors in c++ faq lite?

    - by Gianluca
    Hello, I'm reading questions and answers around here for a few days. I have seen the c++ faq lite at Parashift has been mentioned many times. Personally I have always considered it to be a good reference, not my favourite one but certainly useful. Here I have seen somebody advising it, but many others commenting against it instead. Somebody mentioned it's full of mistakes. Could you please point out which are the major errors in there, if any?

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  • Git repository with only remote branches for production

    - by becomingGuru
    On the remote production branch, I don't do any changes, so I don't need any branches. I always want it mirrored to the origin production git checkout origin production works. But, I can't seem to pull after that. Is creating a local branch that tracks the origin production by git checkout -b production --track origin production the only option, or, I'm wondering, if there is any other way.

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  • What is the standard or best way to deal with database branching with Mercurial or Git branches?

    - by Chad Johnson
    This has been a big question mark on my mind. I'm moving to Mercurial or Git very soon for my web software, and sometimes my branches require significant database changes which other branches should not see. This, I can't always share the same database for my branches. Is there some standard way of dealing with database changes for branching and cloning? What do you all do? I'm using MySQL.

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  • Eclipselink and update trigger on multiple access to the database

    - by Raven
    Hi, in my project I have a database which many clients connect to. Concurrent access and writing works well. The problem now is not to reload the data every second from the database to always have the current status of the data. Does Eclipselink provide a trigger mechanism on (automatically?) reload the data if the database is changed? How would one use this trigger? Thanks!

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  • Ruby on Rails: instance & class variables not maintaining value in controller

    - by DerNalia
    at the top of my controller, outside of any method, I have @@javascript_is_disabled = false and I have methods that that the view calls and invokes something like this @@javascript_is_disabled = params[:javascript_disabled] but when I need the @@javascript_is_disabled in completely different method.. it is always false. I know it changes in the method with params args... cause those methods behave differently, and appropriately And ideas?

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  • apache solr auto suggestions

    - by Pydev UA
    I use solr+django-haystack I set settings.HAYSTACK_INCLUDE_SPELLING = True and rebuild index I'm trying to get any suggestion using: SearchQuerySet().auto_query('tryng ani word her').spelling_suggestion() But I always get None What should I do to get at least one working suggestion ? may be I need add some configuration into solr config or have some specific data indexed ?

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  • Hot to get rid of memory allocations/deallocations in swig wrappers?

    - by Dmitriy Matveev
    I want to use swig for generation of read-only wrappers for a complex object. The object which I want to wrap will always be existent while I will read it. And also I will only use my wrappers at the time that object is existent, thus I don't need any memory management from SWIG. For following swig interface: %module test %immutable; %inline %{ struct Foo { int a; }; struct Bar { int b; Foo f; }; %} I will have a wrappers which will have a lot of garbage in generated interfaces and do useless work which will reduce performance in my case. Generated java wrapper for Bar class will be like this: public class Bar { private long swigCPtr; protected boolean swigCMemOwn; protected Bar(long cPtr, boolean cMemoryOwn) { swigCMemOwn = cMemoryOwn; swigCPtr = cPtr; } protected static long getCPtr(Bar obj) { return (obj == null) ? 0 : obj.swigCPtr; } protected void finalize() { delete(); } public synchronized void delete() { if (swigCPtr != 0) { if (swigCMemOwn) { swigCMemOwn = false; testJNI.delete_Bar(swigCPtr); } swigCPtr = 0; } } public int getB() { return testJNI.Bar_b_get(swigCPtr, this); } public Foo getF() { return new Foo(testJNI.Bar_f_get(swigCPtr, this), true); } public Bar() { this(testJNI.new_Bar(), true); } } I don't need 'swigCMemOwn' field in my wrapper since it always will be false. All code related to this field will also be useless. There are also unnecessary logic in native code: SWIGEXPORT jlong JNICALL Java_some_testJNI_Bar_1f_1get(JNIEnv *jenv, jclass jcls, jlong jarg1, jobject jarg1_) { jlong jresult = 0 ; struct Bar *arg1 = (struct Bar *) 0 ; Foo result; (void)jenv; (void)jcls; (void)jarg1_; arg1 = *(struct Bar **)&jarg1; result = ((arg1)->f); { Foo * resultptr = (Foo *) malloc(sizeof(Foo)); memmove(resultptr, &result, sizeof(Foo)); *(Foo **)&jresult = resultptr; } return jresult; } I don't need these calls to malloc and memmove. I want to force swig to resolve both of these problems, but don't know how. Is it possible?

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  • Which one has a faster runtime performance: WPF or Winforms?

    - by Joan Venge
    I know WPF is more complex an flexible so could be thought to do more calculations. But since the rendering is done on the GPU, wouldn't it be faster than Winforms for the same application (functionally and visually)? I mean when you are not running any games or heavy 3d rendering, the GPU isn't doing heavy work, right? Whereas the CPU is always busy. Is this a valid assumption or is the GPU utilization of WPF a very minor operation in its pipeline?

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  • when to make a method static

    - by Don
    Hi, I'd like to know how people decide whether to define a method as static. I'm aware that a method can only be defined as static if it doesn't require access to instance fields. So lets say we have a method that does not access instance fields, do you always define such a method as static, or only if you need to call it statically (without a reference to an instance). Perhaps another way of asking the same question, is whether you use static or non-static as the default? Thanks, Don

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  • Effect of suffixes in memory to cache operations

    - by tur1ng
    In x86 GNU Assembler there are different suffixes for memory related operations. E.g.: movb, movs, movw, movl, movq, movt(?) Now my question is the following: Does the suffix has ANY effect on how the processor is getting the data out of main memory or will always be one or more 32-bit (x86) chunks loaded into the cache ? What are the effects beside the memory access?

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  • Any way to change the color of a radio button?

    - by Ryan
    I'm working on an android form with a radio group containing a set of radio buttons. From what I can tell there is no way to set the color a radio button highlights when you select it. It seems to always default to some bright green color. Is this something that is editable or no? Thanks

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  • Get values from *.resx files in XAML

    - by nihi_l_ist
    Is it possible to add some value from resource file right into the XAML markup? Or for localization we always have to make something like this in *.cs file: txtMessage.Text = Messages.WarningUserMessage; Where Messages is resource, and txtMessage is TextBlock.

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  • In 2011 is it truly necessary to still degrade js?

    - by 0plus1
    Serious question. I tried most of the famous websites (including facebook) and I can say that tons of functionality doesn't degrade at all with js disabled. I've been always told that js should degrade gracefully, but does this still applies in these day and age? ie6 support is being dropped by several sites, and most of the web2.0 relies heavily on js (especially ajax, I even found some sites that doesn't let you login without js enabled). What are your thought about it?

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  • How to obtain the correct physical size of the monitor?

    - by KindDragon
    How can I get the size of the display in centimeters or inches? This code does not always works correctly: HDC hdc = CreateDC(_T("DISPLAY"),dd.DeviceName,NULL,NULL); int width = GetDeviceCaps(hdc, HORZSIZE); int height = GetDeviceCaps(hdc, VERTSIZE); ReleaseDC(0, hdc) Especially for multi-monitor configuration. Update: I need to get the size just for ordinary monitors, which have a constant physical size.

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  • Task Manager with Trac support for Mac

    - by Dmitry
    Found Mylyn as a very good task manager that supports Trac and Gmail Task. I've seen Tasktop, but looking for something with smaller memory footprint that I could always run in background. Is there any lighter client (not on Eclipse platform) to manager at least Trac tasks (via XML-RPC) and in best case scenario with GMail Tasks support?

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