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How to force a web browser NOT to cache images
...o-cache headers - complete set
// these copied from [php.net/header][1], tested myself - works
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Some time in the past
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate...
Can comments be used in JSON?
...entation that does the same thing: gist.github.com/1170297 . On some large test files your implementation takes 74 seconds and mine 0.06 seconds.
– WizKid
Aug 25 '11 at 9:16
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Replace one character with another in Bash
...acters. It seems like bash's time complexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length of 1M (=2^20) tr took 0.04s and bash 5.0.11 took 17s. With 2M tr took 0.07s (expec...
What are some alternatives to ReSharper? [closed]
... What each coder finds most important though varies widely. You'll have to test each for yourself, but luckily all the alternatives have trial periods as well.
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Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
... run
php composer.phar update symfony/icu
on your development machine, test extensively and deploy again. The installation of the dependencies will now succeed.
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R cannot be resolved - Android error
... installed the new Android SDK. I wanted to create a simple application to test drive it.
108 Answers
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Query a parameter (postgresql.conf setting) like “max_connections”
...tatements:
SELECT current_setting('max_connections');
Related:
How to test my ad-hoc SQL with parameters in Postgres query window
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Is it possible to determine whether ViewController is presented as Modal?
...after iOS6 release, so it might be not up-to-date. I will try to make some tests later in the week to update it, tks!
– Felipe Sabino
May 29 '13 at 12:26
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How to store a command in a variable in a shell script?
...ed
Even before being called.
To check and confirm this, you cand do:
echo test;
X=$(for ((c=0; c<=5; c++)); do
sleep 2;
done);
echo note the 5 seconds elapsed
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Best way to create an empty object in JSON with PHP?
... to accomplish this.
UPDATE
As per your comment updates, you could try:
$test = json_encode(array('some_properties'=>new stdClass));
Though I'm not sure that's any better than what you've been doing.
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