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Easy way to concatenate two byte arrays
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324
Most straightforward:
byte[] c = new byte[a.length + b.length];
System.arraycopy(a, 0, c, 0, ...
Fastest way to check if string contains only digits
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edited Sep 18 '15 at 16:35
answered Sep 18 '11 at 11:13
j...
python max function using 'key' and lambda expression
...xample 2: Applying max to a list of tuples.
>>> lis = [(1,'a'), (3,'c'), (4,'e'), (-1,'z')]
By default max will compare the items by the first index. If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get th...
Simplest way to detect a mobile device in PHP
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318
Here is a source:
Detect Mobile Browser
Download PHP script
Code:
<?php
$useragent=$...
Running a Haskell program on the Android OS
...s to either the android NDK JNI glue code framework (added since android 2.3) or you must write JNI glue code between Java-C-Haskell, the former option is the easier solution and if I remember correctly might actually be backwards compatible with previous versions of Android below 2.3.
Once you hav...
Version vs build in Xcode
I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
How do I compare two hashes?
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163
You can compare hashes directly for equality:
hash1 = {'a' => 1, 'b' => 2}
hash2 = {'a' =...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
Consider the following example on a 32 bit x86 machine:
11 Answers
11
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Install autoreconf on OS X v10.7 (Lion)?
I'm attempting to re-install Ruby 1.9.3 with a patch that will allow me to use ruby-debug .
6 Answers
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