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Optimise PostgreSQL for fast testing
...ts of work, increase work_mem to give them more RAM to play with for sorts etc. Beware that too high a work_mem setting can cause out-of-memory problems because it's per-sort not per-connection so one query can have many nested sorts. You only really have to increase work_mem if you can see sorts sp...
Do you debug C++ code in Vim? How? [closed]
...r: breakpoints, watch variables, gdb command completion, assembly windows, etc.
I think you should definitely give it a go.
The homepage of the pyclewn website shows a comparison between the three projects.
A few months ago I tried pyclewn. It was a bit difficult to set up, but it looks well th...
How to do a https request with bad certificate?
...e checks (which has legitimate uses - tunnels, nats, shared cluster certs, etc), while also having something that looks similar but actually completely ignores the certificate check. You need to know that the certificate is valid and signed by a cert that you trust. But in common scenarios, you kn...
Avoid browser popup blockers
...ers can backtrack a little to see if the caller's caller was a mouse click etc. Keep it as shallow as you can to avoid the popup blockers.
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Allowing interaction with a UIView under another UIView
... touchesBegan:withEvent: and similar methods (like touchesMoved:withEvent: etc) to send some touches to a different object than where they first go. For example, in A, you could write something like this:
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
if ([self shouldForwar...
How can I backup a remote SQL Server database to a local drive?
...elf but I think is better than using some third parties tools like RedGate etc. Maybe I'v paranoia but I think most of third party tools have extra code and will got my control and reduce simplicity and clarifying of script. Thanks so much.
– QMaster
Dec 27 '14...
Double vs. BigDecimal?
...ouble). 1/3 could be exactly expressed in base 3, base 6, base 9, base 12, etc. and 1/7 could be expressed exactly in base 7, base 14, base 21, etc. BigDecimal advantages are that it is arbitrary precision and that humans are used to the rounding errors you get in base 10.
– pr...
What is the best way to programmatically detect porn images? [closed]
...a social networking site which allows users to upload their pics, avatars, etc?
25 Answers
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Which is faster : if (bool) or if(int)?
...ngs like sign-extend to bring it to certain widths to put it on the stack, etc. (You can't push a byte.)
When the optimizer views the AST and does its magic, however, it looks at surrounding context and "knows" when it can replace code with something more efficient without changing semantics. So ...
How to assign from a function which returns more than one value?
...the function you would have
x = desired_return_value_1 # (vector, matrix, etc)
y = desired_return_value_2 # (vector, matrix, etc)
returnlist = list(x,y...)
} # end of function
main program
x = returnlist[[1]]
y = returnlist[[2]]
...