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Difference between array_push() and $array[] =
...e in that way there is no overhead of calling a function." don't have time now to see exactly what is behind it as the search term is bit confusing for search engines :)
– jnhghy - Alexandru Jantea
Jun 16 '17 at 14:29
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How to check if Location Services are enabled?
I'm developing an app on Android OS. I don't know how to check if Location Services are enabled or not.
22 Answers
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Can anyone explain IEnumerable and IEnumerator to me? [closed]
...t's say you are running an airline company. And in each plane you want to know information about the passengers flying in the plane. Basically you want to be able to "traverse" the plane. In other words, you want to be able to start at the front seat, and to then work your way towards the back of th...
How to set commands output as a variable in a batch file
...ile name, you can use your double quotes without screwing up the command.
Now if your output will contain multiple lines, you can do this
SETLOCAL ENABLEDELAYEDEXPANSION
SET count=1
FOR /F "tokens=* USEBACKQ" %%F IN (`command`) DO (
SET var!count!=%%F
SET /a count=!count!+1
)
ECHO %var1%
ECHO ...
Does Go provide REPL?
...it.
I have also seen third party projects for building a REPL for Go, but now I can only find links to two of them: igo and go-repl. How well do they work I don't know.
My two cents: Speed of compilation makes writing a REPL possible for Go, as it has also helped building the tools mentioned here,...
List comprehension vs map
... {x:x**2 for x in rangeNeg5}
)
Efficiency comparison for python3
map is now lazy:
% python3 -mtimeit -s 'xs=range(1000)' 'f=lambda x:x' 'z=map(f,xs)'
1000000 loops, best of 3: 0.336 usec per loop ^^^^^^^^^
Therefore if you will not be using all your data, or do not know ahead of tim...
Software keyboard resizes background image on Android
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But the scrollview is not working now. is thr any way to avoid it
– Mr.G
May 13 '13 at 10:48
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Secure hash and salt for PHP passwords
...that MD5 is partially unsafe. Taking this into consideration, I'd like to know which mechanism to use for password protection.
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running Rails console in production
I have just gone live with my first Rails site, but now I have a problem. When I run the project in development mode on my IDE I can run the console to something like:
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Xcode debugging - displaying images
...ation of UIImage/CGImageRef variables!
Xcode itself can't do it. I don't know about external tools.
What i'm doing to test images while debugging is to convert that raw data into an image-file format, like .png, and then saving it somewhere, and then i'm opening the image with any image viewing to...