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How to invert a grep expression
...(i.e. succeed if all of the lines do not match the pattern, rather than at least one) should use ! grep. This finds use in conditional expressions, e.g.: if ! ls | grep -qE ".(\.exe)$"; then echo No .exe files in $(pwd); fi.
– Zyl
Oct 23 '18 at 15:51
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
...g '/home/squale/developpement/tests/temp' (length=37)
But, there are at least two differences :
__DIR__ only exists with PHP >= 5.3
which is why dirname(__FILE__) is more widely used
__DIR__ is evaluated at compile-time, while dirname(__FILE__) means a function-call and is evaluated at ex...
Securing my REST API with OAuth while still allowing authentication via third party OAuth providers
...in.
A service or application does not authenticate to your web site -- at least not typically. A user authorizes a service or application to access the user's data. This is typically done by the application requesting authorization of the service provider, then sending the user to the service pro...
How should a model be structured in MVC? [closed]
...the presentational logic. This means that each View will usually juggle at least a few templates. It acquires data from the Model Layer and then, based on the received information, chooses a template and sets values.
One of the benefits you gain from this is re-usability. If you create a ListView c...
Join vs. sub-query
...nt of Donald Knuth: "Premature optimization is the root of all evil (or at least most of it) in programming". However, naturally there are programming areas where performance is paramount... Ideally, when one succeeds in reconciling one with another :)
– simhumileco
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How to style icon color, size, and shadow of Font Awesome Icons
...rs are less specific (as in specificity). So, my favorite practice is to atleast match specifity and put style after to override.
– John
May 13 at 18:28
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How to change the name of a Django app?
...hon 2.7 and Django 1.8, but I'm confident the same process will work on at least Python 3.6 and Django 2.1.
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With GitHub how do I push all branches when adding an existing repo?
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The accepted answer isn't quite right, or at least it didn't work for me. I needed to specify the remote repo as well, eg:
git push origin --all
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How to get Twitter-Bootstrap navigation to show active link?
.... Likewise for repeating the same code over and over. I would recommend at least using the current_page? method to check the current controller/action, and would also move the code into a helper to avoid the code repetition.
– Dustin Frazier
May 9 '12 at 17:17
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How can I use 'Not Like' operator in MongoDB
...ms to be the same case with $ne and $regex. Can anyone confirm this, or at least add to it?
– DBrown
Jan 25 '17 at 5:42
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