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How to return result of a SELECT inside a function in PostgreSQL?
...rovide a column definition list with every function call. RETURNS TABLE is one way to do that. There are others. Data types of OUT parameters have to match exactly what is returned by the query.
Choose names for OUT parameters carefully. They are visible in the function body almost anywhere. Table-q...
How does Django's Meta class work?
....contrib.auth.models.Meta
In [3]: User.Meta.__dict__
Out[3]:
{'__doc__': None,
'__module__': 'django.contrib.auth.models',
'abstract': False,
'verbose_name': <django.utils.functional.__proxy__ at 0x26a6610>,
'verbose_name_plural': <django.utils.functional.__proxy__ at 0x26a6650>}
...
switch / pattern matching idea
...# gets very ugly, very quickly. It's fun, and some very smart people have done some very cool things in C#, but actually using it feels heavy.
What I have ended up using often (across-projects) in C#:
Sequence functions, via extension methods for IEnumerable. Things like ForEach or Process ("Appl...
What is the maximum size of a web browser's cookie's key?
... the name under 4000 bytes, and the overall cookie size under 4093 bytes.
One thing to be careful of: if the name is too big you cannot delete the cookie (at least in JavaScript). A cookie is deleted by updating it and setting it to expire. If the name is too big, say 4090 bytes, I found that I cou...
How can I create directory tree in C++/Linux?
...he process has to be forked, then at least two binaries have to be loaded (one will probably be in cache already), on of which will be yet another fork of the other, ...
– ypnos
Mar 23 '09 at 21:55
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...
Absolutely great. This one should be the accepted answer. Thank you very much! Maybe I would add submitPressed = false; after popBackStackInmediate.
– Neonigma
May 15 '18 at 8:55
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How to parse a string to an int in C++?
...
But they accept arguments than that, one of them being a point to size_t that's, if not null, is set to the first unconverted character
– Zharf
Oct 13 '12 at 10:36
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npm install vs. update - what's the difference?
... "^1.4.3" // ignores "1.4.3" -> "1.5.2"
"already-installed-versioned-module": "3.4.1" // ignores ignores
"not-yet-installed-versionless-module": "*", // installs installs
"not-yet-installed-semver-module": "^4.2.1" // installs installs
"not-yet-installed-ver...
Get the generated SQL statement from a SqlCommand object?
...Nice job actually trying to tackle the problem here, up-voted for effort alone.
– Adam Tolley
Apr 5 '11 at 15:36
3
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What happens if i return before the end of using statement? Will the dispose be called?
...ll. It can be maddeningly frustrating. Or is that frustratingly maddening? One of the two. Maybe both.
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