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Why can't enum's constructor access static fields?
...m's constructor access static fields and methods? This is perfectly valid with a class, but is not allowed with an enum.
5 ...
Understanding $.proxy() in jQuery
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What it ultimately does is it ensures that the value of this in a function will be the value you desire.
A common example is in a setTimeout that takes place inside a click handler.
Take this:
$('#myElement').click(function() {...
How to remove all debug logging calls before building the release version of an Android app?
...ceprocessing
-optimizationpasses 5
-keep class * extends android.app.Activity
-assumenosideeffects class android.util.Log {
public static *** d(...);
public static *** v(...);
}
So you would save that to a file, then call ProGuard from Ant, passing in your just-compiled JAR and the Androi...
Thread pooling in C++11
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This is copied from my answer to another very similar post, hope it can help:
1) Start with maximum number of threads a system can support:
int Num_Threads = thread::hardware_concurrency();
2) For an efficient threadpool implementation, once threads are created according to Num_Thread...
Visual Studio 2010 always thinks project is out of date, but nothing has changed
...++ project system logging to enable debug logging in Visual Studio and let it just tell you what's causing the rebuild:
Open the devenv.exe.config file (found in %ProgramFiles%\Microsoft Visual Studio 10.0\Common7\IDE\ or in %ProgramFiles(x86)%\Microsoft Visual Studio 10.0\Common7\IDE\). For Expre...
What is the purpose of willSet and didSet in Swift?
.... When all you have is get/set, you need another field to hold the value. With willSet and didSet, you can take action when the value is modified without needing another field. For instance, in that example:
class Foo {
var myProperty: Int = 0 {
didSet {
print("The value of ...
How to make a new List in Java
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List myList = new ArrayList();
or with generics (Java 7 or later)
List<MyType> myList = new ArrayList<>();
or with generics (Old java versions)
List<MyType> myList = new ArrayList<MyType>();
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How do I create a file AND any folders, if the folders don't exist?
Imagine I wish to create (or overwrite) the following file :- C:\Temp\Bar\Foo\Test.txt
9 Answers
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How to stop an animation (cancel() does not work)
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But in fact I need a bit more complex thing: when animation stop, it must remain in current position, i.e. I have sliding image and on touch event it must freeze on this place. clearAnimation() is not a case, because it resets state to start/end ...
Disable orange outline highlight on focus
...egap and have run across a persistent problem which arises when a user submits a form using the Go button on the soft keyboard.
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