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How to search a specific value in all tables (PostgreSQL)?
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@Henno: yes it requires PG-9.1. Edited now to make that explicit. To use it with older versions, you'll have to adapt it.
– Daniel Vérité
May 11 '14 at 12:27
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API Keys vs HTTP Authentication vs OAuth in a RESTful API
... @TomDoe Hi Tom - Yes that makes sense. You probably want to use OAuth2 now. If your server is in Python (Django or Flask) take a look at github.com/omab/python-social-auth
– Sid
Aug 18 '15 at 19:43
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ASP.NET MVC ambiguous action methods
...I hadn't seen the RequireRequestValue attribute yet. That's a good one to know.
– CoderDennis
Jun 25 '09 at 21:24
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How can I use pointers in Java?
I know Java doesn't have pointers, but I heard that Java programs can be created with pointers and that this can be done by the few who are experts in java. Is it true?
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git --git-dir not working as expected
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You have to define the working dir as well. Confusing I know but it's a flexibility thing.
git --git-dir=/mycode/.git --work-tree=/mycode status
You can read a little more here
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Unable to create a constant value of type Only primitive types or enumeration types are supported in
...ere can I find documentation about things like this? I’m really lacking knowledge of EF’s limits, and when I try to restrict a query’s result set like this, this incompetence makes itself very apparent and slows me down.
– Nomenator
Apr 5 '17 at 21:31
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Can you help me understand Moq Callback?
...is to be derived
The .Callback mechanism says "I can't describe it right now, but when a call shaped like this happens, call me back and I'll do what needs to be done". As part of the same fluent call chain, you get to control the result to return (if any) via .Returns". In the QS examples, an exa...
Why switch is faster than if
...ic byte-code offset. Thus, when you give the statement an offset of 3, it knows to jump ahead 3 to find the correct branch.
Lookup switch uses a binary search to find the correct code branch. This runs in O(log n) time, which is still good, but not the best.
For more information on this, see here:...
What is the advantage of using forwarding references in range-based for loops?
...This last case of mine should really be a template to make sense. If you know the loop is always handling a proxy reference, then auto would work as well as auto&&. But when the loop was sometimes handling non-proxy references and sometimes proxy-references, then I think auto&& wou...
Rename specific column(s) in pandas
...x
1 x x x
2 x x x
3 x x x
4 x x x
With 0.21+, you can now specify an axis parameter with rename:
df.rename({'gdp':'log(gdp)'}, axis=1)
# df.rename({'gdp':'log(gdp)'}, axis='columns')
y log(gdp) cap
0 x x x
1 x x x
2 x x x
3 x x x
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