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Use of Initializers vs Constructors in Java
...have a static variable that is to be initialized when the class is loaded, then a static initializer is the way to go, especially as it allows you to do a complex initialization and still have the static variable be final. This is a big win.
I find "if (someStaticVar == null) // do stuff" to be me...
Passing just a type as a parameter in C#
...thod, public static T GetColumnValue<T>(this string columnName){...} then you can say foo.GetColumnValues<string>(dm.mainColumn)
– Joshua G
Jun 4 '14 at 15:56
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iOS 7 status bar back to iOS 6 default style in iPhone app?
... either the default or the light style. If you edit the plist value to NO, then you can manage the status bar appearance using the familiar UIApplication methods.
UINavigationController will alter the height of its UINavigationBar to either 44 points or 64 points, depending on a rather strange and u...
How do I get NuGet to install/update all the packages in the packages.config?
...ld already have a reference to the NuGet packages. If this is not the case then you can use Visual Studio to install the packages.
With NuGet 2.7, and above, Visual Studio will automatically restore missing NuGet packages when you build your solution so there is no need to use NuGet.exe.
To update...
Python __str__ versus __unicode__
...ing only one of them? What happens when you only implement __unicode__ and then do str(obj)?
– RickyA
Feb 6 '13 at 9:09
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Does const mean thread-safe in C++11?
...hronizes writes.
If this expectation does not hold for one of your types, then using it directly or indirectly together with any component of the Standard Library may result in a data race. In conclusion, const does mean thread-safe from the Standard Library point of view. It is important to note t...
Converting a List to a comma separated string
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This is a better approach then the accepted answer one. With this approach you don't have to import Linq and this is faster.
– JoKeRxbLaCk
May 22 '19 at 9:58
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Encrypt Password in Configuration Files? [closed]
...s of cryptography APIs.
If the OS you are installing upon has a keystore, then you could use that to store your crypto keys that you will need to encrypt and decrypt the sensitive data in your configuration or other files.
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How can I get the length of text entered in a textbox using jQuery?
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If your textbox has an id attribute of "mytextbox", then you can get the length like this:
var myLength = $("#mytextbox").val().length;
$("#mytextbox") finds the textbox by its id.
.val() gets the value of the input element entered by the user, which is a string.
.length g...
Determining the current foreground application from a background task or service
...ingTaskInfo foregroundTaskInfo = am.getRunningTasks(1).get(0);
Thats it, then you can easily access details of the foreground app/activity:
String foregroundTaskPackageName = foregroundTaskInfo .topActivity.getPackageName();
PackageManager pm = AppService.this.getPackageManager();
PackageInfo for...