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Using i and j as variables in Matlab
...oop 1 billion times show no statistical difference in timing). For all we know there is special code to handle exactly this and using variables other than i and j (and k?) is actually slightly slower. And differences that do exist are miniscule to non-existent in real life. There simply is no reason...
The 'packages' element is not declared
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Oh ok - now I get it.
You can ignore this one - the XML for this is just not correct - the packages-element is indeed not declared (there is no reference to a schema or whatever).
I think this is a known minor bug that won't do a thi...
Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
... stuff happens. Use this tag in places like inside a catch statement. You know that an error has occurred and therefore you're logging an error.
Log.w: Use this when you suspect something shady is going on. You may not be completely in full on error mode, but maybe you recovered from some unexpected...
Should bower_components be gitignored?
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Thank you for this interesting article. So for now we still have no "lock file" equivalent to freeze the versions.
– Pierre de LESPINAY
Mar 11 '14 at 14:37
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MIN/MAX vs ORDER BY and LIMIT
... worst unindexed case is wrong. You always need a full scan, how else you know it's a min or max? It's not like you're scanning and the value screams: "Hey, you finally found me! I'm Jack, the max!".
– Robo Robok
Sep 22 '19 at 13:46
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How to debug Visual Studio extensions
... extensions when built will register themselves in the experimental hive.
Now you can F5 and it will start Visual Studio with your VSIX as an available extension.
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Postgres dump of only parts of tables for a dev snapshot
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I don't know about any software which already does this, but I can think of 3 alternative solutions. Unfortunately, they all require some custom coding.
Re-create all the tables in a separate schema, then copy into those tables only...
json_encode() escaping forward slashes
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!important read before: https://stackoverflow.com/a/10210367/367456 (know what you're dealing with - know your enemy)
json_encode($str, JSON_UNESCAPED_SLASHES);
If you don't have PHP 5.4 at hand, pick one of the many existing functions and modify them to your needs, e.g. http://snippets.dzo...
Detect all Firefox versions in JS
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If you'd like to know what is the numeric version of FireFox you can use the following snippet:
var match = window.navigator.userAgent.match(/Firefox\/([0-9]+)\./);
var ver = match ? parseInt(match[1]) : 0;
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