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Best way to randomize an array with .NET

...e: as used in my example, Random() is perfectly thread-safe, unless you're allowing the routine in which you randomize the array to be re-entered, in which case you'll need something like lock (MyRandomArray) anyway in order not to corrupt your data, which will protect rnd as well. Also, it should b...
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Prevent double submission of forms in jQuery

...em is this line: $('input').attr('disabled','disabled'); You're disabling ALL the inputs, including, I'd guess, the ones whose data the form is supposed to submit. To disable just the submit button(s), you could do this: $('button[type=submit], input[type=submit]').prop('disabled',true); However, ...
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How to grep a string in a directory and all its subdirectories? [duplicate]

How to grep a string or a text in a directory and all its subdirectories'files in LINUX ?? 2 Answers ...
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When exactly are onSaveInstanceState() and onRestoreInstanceState() called?

...id onRestoreInstanceState (Bundle savedInstanceState) This method is called between onStart() and onPostCreate(Bundle). void onSaveInstanceState (Bundle outState) If called, this method will occur after onStop() for applications targeting platforms starting with Build.VERSION_CODES.P....
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How to test an Android Library Project

I am writing an Android Library Project basing on Android Bitmap class (call it AndroindLib) which contains only utility class (no activity). I tried to test it using Android JUnit, but it keeps complaining that can't find the AnroidLib.apk ...
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Why C# implements methods as non-virtual by default?

...on in the class can be plugged out and replaced by another, which is not really a good thing. Many people even believe that classes should have been sealed by default. virtual methods can also have a slight performance implication. This is not likely to be the primary reason, however. ...
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The OutputPath property is not set for this project

...ns by other unrelated XML elements. Simply edit the .wixproj file so that all the <PropertyGroup> sections that define your build configs are adjacent to one another. (To edit the .wixproj in VS2013 right click on project in Solution Explorer, Unload project, right-click again->Edit YourPr...
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How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat

... Use an Iterator and call remove(): Iterator<String> iter = myArrayList.iterator(); while (iter.hasNext()) { String str = iter.next(); if (someCondition) iter.remove(); } ...
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How to create .pfx file from certificate and private key?

I need .pfx file to install https on website on IIS. 15 Answers 15 ...
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What is the difference between 'protected' and 'protected internal'?

...that's it's protected in current assembly and completely unavailable externally? – Shimmy Weitzhandler Oct 24 '15 at 23:16 8 ...