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How does PHP 'foreach' actually work?

...lways unset the next element, rather than the current one. Examples: Your test cases The three aspects described above should provide you with a mostly complete impression of the idiosyncrasies of the foreach implementation and we can move on to discuss some examples. The behavior of your test c...
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Using print statements only to debug

...g statements like: debug('My value: %d' % value) ...then I pick up unit testing and never did this again! :) share | improve this answer | follow | ...
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Check number of arguments passed to a Bash script

... Just like any other simple command, [ ... ] or test requires spaces between its arguments. if [ "$#" -ne 1 ]; then echo "Illegal number of parameters" fi Or if test "$#" -ne 1; then echo "Illegal number of parameters" fi Suggestions When in Bash, prefer using [[...
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How to validate an e-mail address in swift?

... wouldn't return emailTest.evaluateWithObject(testStr) be a lot more simpler and readable? Comparing to == true is a bit like Javascript. – Sulthan Aug 24 '14 at 11:55 ...
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How to execute a Ruby script in Terminal?

...call ruby your_program.rb, I get this: ruby: No such file or directory -- testapp.rb (LoadError) – Tom Maxwell Jan 4 '12 at 2:53 1 ...
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How can I replace a regex substring match in Javascript?

... var str = 'asd-0.testing'; var regex = /(asd-)\d(\.\w+)/; str = str.replace(regex, "$11$2"); console.log(str); Or if you're sure there won't be any other digits in the string: var str = 'asd-0.testing'; var regex = /\d/; str = str.replac...
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Differences between Line and Branch coverage

...erage in the first case, so you can see there is something missing in your testing (and often, in your code). share | improve this answer | follow | ...
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Calling constructor from other constructor in same class

...params) at the end of the constructor to do 'constructor chaining' public Test( bool a, int b, string c ) : this( a, b ) { this.m_C = c; } public Test( bool a, int b, float d ) : this( a, b ) { this.m_D = d; } private Test( bool a, int b ) { this.m_A = a; this.m_B = b; } S...
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Viewing contents of a .jar file

... javap example: javap -classpath test.jar com.yourpackage.HelloWorld – mPrinC Sep 22 '17 at 20:28 ...
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Reading a simple text file

...cess it. AssetManager am = context.getAssets(); InputStream is = am.open("test.txt"); Or you can also put the file in the /res/raw directory, where the file will be indexed and is accessible by an id in the R file: InputStream is = context.getResources().openRawResource(R.raw.test); ...