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C++ deprecated conversion from string constant to 'char*'
...s is an error message you see whenever you have a situation like the following:
char* pointer_to_nonconst = "string literal";
Why? Well, C and C++ differ in the type of the string literal. In C the type is array of char and in C++ it is constant array of char. In any case, you are not allowed to ...
Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
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Different ways of loading a file as an InputStream
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There are subtle differences as to how the fileName you are passing is interpreted. Basically, you have 2 different methods: ClassLoader.getResourceAsStream() and Class.getResourceAsStream(). These two methods will locate the resource differently.
In Class.getResourceAsStream(path), the p...
git difftool, open all diff files immediately, not in serial
The default git diff behavior is to open each diff file in serial (wait for previous file to be closed before opening next file).
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How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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Can constructors throw exceptions in Java?
...ructed" object to stick around though, if it's made itself visible earlier in the constructor (e.g. by assigning a static field, or adding itself to a collection).
One thing to be careful of about throwing exceptions in the constructor: because the caller (usually) will have no way of using the new...
What is a 'thunk'?
I've seen it used in programming (specifically in the C++ domain) and have no idea what it is. Presumably it is a design pattern, but I could be wrong. Can anyone give a good example of a thunk?
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Was PreferenceFragment intentionally excluded from the compatibility package?
I'm looking to write preferences that can be applied to both 3.0 and pre-3.0 devices. Discovering that PreferenceActivity contains deprecated methods (although these are used in the accompanying sample code), I looked at PreferenceFragement and the compatibility package to solve my woes.
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Intellij IDEA crashed, and now throws an error
I work in Intellij IDEA, but my computer freezes so I turn off my computer. (long click power button) When I turned on computer and start IntelliJ IDEA I had this error:
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Javascript swap array elements
Is there any simpler way to swap two elements in an array?
31 Answers
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