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Why is require_once so bad to use?
...d, so we are already reaching a point thats noticeable to a human. If that script is called frequently it will cause performance issues on the system. Optimization is not a joke and the whole world is not turning around your PC. There are ten thousands of CPUs in use.
– John
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Various ways to remove local Git changes
...em from your file system. I've sporadically seen a use for this, e.g. when scripting deployment, and you want to clean your code before deploying, zipping or whatever.
Git clean will not touch files, that are already being tracked.
Checkout "dot"
git checkout .
I had actually never seen this no...
How to elegantly deal with timezones
...'interesting'.
If you have to accept a date from the client, then use javascript to make sure the data that you are posting to the server is in UTC. The client knows what timezone it is in, so it can with reasonable accuracy convert times into UTC.
When rendering views, they were using the HTML5 &...
Multiprocessing - Pipe vs Queue
...gging hard unless you know some shortcuts. For instance, you might have a script that works fine when indexing through a dictionary in under many conditions, but infrequently fails with certain inputs.
Normally we get clues to the failure when the entire python process crashes; however, you don't ...
What GRANT USAGE ON SCHEMA exactly do?
...-only permissions to the db role that must access the database from my php scripts, and I have a curiosity: if I execute
3 ...
How do I find the duplicates in a list and create another list with them?
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@moooeeeep, I added another version to your script for you to try :) Also try pypy if you have it handy and are going for speed.
– John La Rooy
Dec 17 '15 at 20:00
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How can I add reflection to a C++ application?
...what you're going to get. Reflection like you're thinking about -- fully descriptive metadata available at runtime -- just doesn't exist for C++ by default.
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How is Docker different from a virtual machine?
...el. That will clear up lot of things.
Note: I'm simplifying a bit in the description below. See references for more information.
How does virtualization work at a low level?
In this case the VM manager takes over the CPU ring 0 (or the "root mode" in newer CPUs) and intercepts all privileged calls m...
Performance of foreach, array_map with lambda and array_map with static function
...xdebug adds quite a lot of overhead, esp to function calls.
This is FGM's script run using 5.6
With xdebug
ForEach : 0.79232501983643
MapClosure: 4.1082420349121
MapNamed : 1.7884571552277
Without xdebug
ForEach : 0.69830799102783
MapClosure: 0.78584599494934
MapNamed : 0.85125398635864
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Trusting all certificates using HttpClient over HTTPS
...on-155.jar \
-storepass some-password
You'll notice that the above script places the result in res/raw/mystore.bks. Now you have a file that you'll load into your Android app that provides the missing certificate(s).
To do this, register your SSLSocketFactory for the SSL scheme:
final S...