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What does the question mark operator mean in Ruby?
What is the purpose of the question mark operator in Ruby?
9 Answers
9
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Reset C int array to zero : the fastest way?
...int, long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset?
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How to implement the factory method pattern in C++ correctly
There's this one thing in C++ which has been making me feel uncomfortable for quite a long time, because I honestly don't know how to do it, even though it sounds simple:
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Read lines from a file into a Bash array [duplicate]
...ho "${XYZ[5]}"
sync:x:5:0:sync:/sbin:/bin/sync
Also note that you may be setting the array just fine but reading it wrong - be sure to use both double-quotes "" and braces {} as in the example above
Edit:
Please note the many warnings about my answer in comments about possible glob expansion, ...
Remove Application Insight from application on Visual Studio 2013
...ption","Metric","PageView","Trace"];i.length;)r("track"+i.pop());return r("setAuthenticatedUserContext"),r("clearAuthenticatedUserContext"),config.disableExceptionTracking||(i="onerror",r("_"+i),f=e[i],e[i]=function(config,r,u,e,o){var s=f&&f(config,r,u,e,o);return s!==!0&&t["_"+i](c...
Why JSF calls getters multiple times
Let's say I specify an outputText component like this:
9 Answers
9
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Foreign Key to non-primary key
...erformance (as noted above). Does anyone foresee any problems with such a setup?
– Daniel Macias
Oct 19 '15 at 5:54
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How to search for a string in text files?
I want to check if a string is in a text file. If it is, do X. If it's not, do Y. However, this code always returns True for some reason. Can anyone see what is wrong?
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How to force a web browser NOT to cache images
...imageFile.jpg&some-random-number-262376" />
Script:
// PHP
if( isset( $_GET['img'] ) && is_file( IMG_PATH . $_GET['img'] ) ) {
// read contents
$f = open( IMG_PATH . $_GET['img'] );
$img = $f.read();
$f.close();
// no-cache headers - complete set
// these copied from ...
Converting from longitude\latitude to Cartesian coordinates
...unction pj_geodetic_to_geocentric will do the conversion without having to set up a projection object first.
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