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Swift make method parameter mutable?
How can I deal with this error without creating additional variable?
7 Answers
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What are bitwise shift (bit-shift) operators and how do they work?
I've been attempting to learn C in my spare time, and other languages (C#, Java, etc.) have the same concept (and often the same operators) ...
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JavaScript property access: dot notation vs. brackets?
...he obvious fact that the first form could use a variable and not just a string literal, is there any reason to use one over the other, and if so under which cases?
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How do I run Asynchronous callbacks in Playground
...coa and CocoaTouch methods have completion callbacks implemented as blocks in Objective-C and Closures in Swift. However, when trying these out in Playground, the completion is never called. For example:
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When should we call System.exit in Java
In Java, What is the difference with or without System.exit(0) in following code?
10 Answers
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Open file in a relative location in Python
Suppose python code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' .
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Why does PHP 5.2+ disallow abstract static class methods?
After enabling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings:
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Keyboard shortcut to change font size in Eclipse?
It is relatively straightforward to change font sizes in Eclipse through preferences (and answered several times in this forum).
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getApplication() vs. getApplicationContext()
I couldn't find a satisfying answer to this, so here we go: what's the deal with Activity/Service.getApplication() and Context.getApplicationContext() ?
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Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
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