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RAII and smart pointers in C++
...The idea is that often you happen to allocate resources at the begin of a block, and need to release it at the exit of a block. Exiting the block can happen by normal flow control, jumping out of it, and even by an exception. To cover all these cases, the code becomes more complicated and redundant...
Split output of command by columns using Bash?
...end up repeatedly calling awk on the same line, or repeatedly using a read block with echo on the same line. Which is not efficient or pretty. So you end up splitting using ${name%% *} and so on. Makes you yearn for some Python skills because in fact shell scripting is not a lot of fun anymore if h...
Git merge left HEAD marks in my files
...bin/bash
for f in $(grep -Rl '^>>>>>>> ' --include="*.php" --include="*.css" --include="*.js" --include="*.html" --include="*.svg" --include="*.txt" .)
do
sed -i -e '/^=======/,/^>>>>>>> /d' -e '/^<<<<<<< /d' $f
sed -i -e '/^>>>...
How to declare a variable in MySQL?
...nitial value is NULL.
The scope of a local variable is the BEGIN ... END block within
which it is declared.
Server System Variables (prefixed with @@):
The MySQL server maintains many system variables configured to a default value.
They can be of type GLOBAL, SESSION or BOTH.
Global variables af...
Twitter image encoding challenge [closed]
...ok for pieces in various orientations that look similar to non-overlapping blocks in the original image. It takes a very brute force approach to this search, but that just makes it easier to introduce my modifications.
The first modification is that instead of just looking at ninety degree rotatio...
CSS Box Shadow - Top and Bottom Only [duplicate]
...est solutions but maybe it will help someone.
HTML
<div class="shadow-block">
<div class="shadow"></div>
<div class="overlay">
<div class="overlay-inner">
content here
</div>
</div>
</div>
CSS
.overlay {
...
Conditional Variable vs Semaphore
...then no other threads are allowed to acquire the resource. The threads get blocked till other threads owning resource releases. In short, the main difference is how many threads are allowed to acquire the resource at once ? Mutex --its ONE. Semaphore -- its DEFINED_COUNT, ( as many as semaphore co...
How can I send an inner to the bottom of its parent ?
...to bold the sections I changed, but the Markdown doesn't apply inside code blocks :-P
– Jon Smock
Jan 27 '10 at 14:11
...
What's the best way to determine the location of the current PowerShell script?
...ce to call from for this purpose). When called inside a function or script block, the former returns the empty string, whereas the latter returns the function body's / script block's definition as a string (a piece of PowerShell source code).
– mklement0
Sep 4 ...
AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
...also do this by:
Registering the interceptor later (doing so in a run() block instead of a config() block might already do the trick). But can you guarantee that $http hasn't been called already?
"Injecting" $http manually into the AuthService when you're registering the interceptor by calling Au...