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Are database triggers evil? [closed]
...ored. In my personal experience, revisiting triggers is often accompanied by a smack to my own forehead.
– Christian Nunciato
Jan 20 '09 at 10:49
5
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How do I programmatically determine if there are uncommitted changes?
... HEAD -- || echo "untracked"; // do something about it
Note: as commented by Anthony Sottile
git diff-index HEAD ... will fail on a branch which has no commits (such as a newly initialized repository).
One workaround I've found is git diff-index $(git write-tree) ...
And haridsv points out in the...
How to write a caption under an image?
...ith captions. They only apply to figures. If you (for example) have a step-by-step how-to that is composed of paragraphs intermixed with captioned photos, it may be important that the images are presented at the same paragraph breaks as defined in the html. Hence <figure> would not be applicab...
Why do I have to access template base class members through the this pointer?
...t's called two-phase compilation, and MSVC doesn't do it but it's required by the standard and implemented by the other major compilers. If you like, the compiler must compile the template as soon as it sees it (to some kind of internal parse tree representation), and defer compiling the instantiati...
What is the source code of the “this” module doing?
...mport codecs; print(codecs.decode(s, "rot-13")). Writing the algorithm out by hand like that was just further obfuscation of the easter egg.
– ncoghlan
May 2 '11 at 12:21
12
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How to search a specific value in all tables (PostgreSQL)?
...ent versions of postgres), you may need to ALTER DATABASE your_db_name SET bytea_output = 'escape'; on the database (or a copy thereof) before dumping it. (I'm not seeing a way to specify this just for a pg_dump command.)
– phils
Aug 10 '15 at 3:01
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`if __name__ == '__main__'` equivalent in Ruby
I am new to Ruby. I'm looking to import functions from a module that contains a tool I want to continue using separately. In Python I would simply do this:
...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...twork tab like I could on my dev machine. In the end I managed to solve it by installing Chrome on my production server and then browsing to the app there on the server itself (e.g. on 'localhost'). Then more detailed errors appeared with stack traces and all.
Only afterwards I found this article f...
How to make an OpenGL rendering context with transparent background?
...dow
* => support for composited window transparency
*
* (c) 2011 by Wolfgang 'datenwolf' Draxinger
* See me at comp.graphics.api.opengl and StackOverflow.com
* License agreement: This source code is provided "as is". You
* can use this source code however you want for your own pers...
How to get hex color value rather than RGB value?
...
-1. As mentioned by orip, you could use toString(16). Downvoted for other inefficiencies. If you're going to declare hexDigits on every function call, at least do it in rgb2hex's function body (not hex's body), so the array is not redefined 3...