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To switch from vertical split to horizontal split fast in Vim
How can you switch your current windows from horizontal split to vertical split and vice versa in Vim?
8 Answers
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What does the slash mean in help() output?
What does the / mean in Python 3.4's help output for range before the closing parenthesis?
3 Answers
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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...n make real JNI calls into native code that contains special instructions for CAS
read more about CAS here http://en.wikipedia.org/wiki/Compare-and-swap
The sun.misc.Unsafe functionality of the host VM can be used to allocate uninitialized objects and then interpret the constructor invocation as an...
Threads vs Processes in Linux
...I am suspicious, because it seems like threads could give a pretty big performance gain in some situations.
14 Answers
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Redefining NULL
I'm writing C code for a system where address 0x0000 is valid and contains port I/O. Therefore, any possible bugs that access a NULL pointer will remain undetected and at the same time cause dangerous behaviour.
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How to verify if a file exists in a batch file?
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You can use IF EXIST to check for a file:
IF EXIST "filename" (
REM Do one thing
) ELSE (
REM Do another thing
)
If you do not need an "else", you can do something like this:
set __myVariable=
IF EXIST "C:\folder with space\myfile.txt" set __myVari...
Difference between e.target and e.currentTarget
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Ben is completely correct in his answer - so keep what he says in mind. What I'm about to tell you isn't a full explanation, but it's a very easy way to remember how e.target, e.currentTarget work in relation to mouse events and the display lis...
Storing Image Data for offline web application (client-side storage database)
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Results Offline blob cache for PNG slippy maps
Testing
171 PNG files (total of 3.2MB)
Platforms tested: Chrome v24, FireFox 18, IE 10
Should also work with Chrome & FF for Android
Fetch from web server
using XHR2 (supported on almost all brow...
Which is more preferable to use: lambda functions or nested functions ('def')?
...ons but sometimes use nested functions that seem to provide the same behavior.
16 Answers
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Null or default comparison of generic argument in C#
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To avoid boxing, the best way to compare generics for equality is with EqualityComparer<T>.Default. This respects IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence:
if(EqualityComparer<T>....