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C++ new int[0] — will it allocate memory?
...eclarator is zero, the allocation function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returned as a request for zero size is undefined.
Also
Even if the size of the space requested [by new] is zero, the request can fail.
That m...
Creating temporary files in Android
...lly do:
File outputDir = context.getCacheDir(); // context being the Activity pointer
File outputFile = File.createTempFile("prefix", "extension", outputDir);
As for their deletion, I am not complete sure either. Since I use this in my implementation of a cache, I manually delete the oldest files...
How do I fix the Visual Studio compile error, “mismatch between processor architecture”?
...ion in Visual Studio 2010, but I've done some research and still can't quite figure this issue out. I have a Visual Studio solution with a C++ DLL referencing the C# DLL. The C# DLL references a few other DLLs, some within my project and some external. When I try to compile the C++ DLL, I get this...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
...
[[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a file exists. But with [, you have t...
StringBuilder vs String concatenation in toString() in Java
...
Version 1 is preferable because it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever.
More importantly given we have only 3
properties it might not make a
difference, but at what point do you
sw...
How can I create an Asynchronous function in Javascript?
...follow
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edited Mar 1 '12 at 13:33
answered Mar 1 '12 at 13:21
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What does “error: option --single-version-externally-managed not recognized” indicate?
...including PyObjC and astropy ). I've never seen this error before, but it's now also showing up on travis-ci builds for which nothing has changed.
...
Is it possible to change the location of packages for NuGet?
...
It's now possible to control which folder the packages are installed into.
http://nuget.codeplex.com/workitem/215
Edit:
See Phil Haack's comment on Dec 10 2010 at 11:45 PM (in the work item/the link above). The support is ...
JavaScript math, round to two decimal places [duplicate]
...
NOTE - See Edit 4 if 3 digit precision is important
var discount = (price / listprice).toFixed(2);
toFixed will round up or down for you depending on the values beyond 2 decimals.
Example: http://jsfiddle.net/calder12/tv9HY/
Documentatio...
Checking for empty arrays: count vs empty
...nswered Feb 7 '10 at 6:21
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