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How to check if Location Services are enabled?
...rvices: that one which shows a dialog where you may turn on your gps right from the dialog, without showing the settings activity. When user turns gps from that dialog, that statement returns always false, even when gps is on
– Marcelo Noguti
Sep 18 '15 at 14:2...
How to get a random number in Ruby
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Use rand(range)
From Ruby Random Numbers:
If you needed a random integer to simulate a roll of a six-sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6).
Finally, if you just need a rando...
Can “this” ever be null in Java?
...d (§15.12), or to the object being constructed.
If you invoked a method from an object, then the object exists or you would have a NullPointerException before (or it's a static method but then, you can't use this in it).
Resources :
JLS - this keyword
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Function in JavaScript that can be called only once
...cuted only once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this?
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Display filename before matching line
...ith the built-in Mac grep (2.5.1-FreeBSD). But to use the alternative grep from Homebrew, another way is to run brew install grep and then just use ggrep. No need to modify PATH.
– wonderlr
Jun 4 '19 at 16:11
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Difference of keywords 'typename' and 'class' in templates?
... I understand the rule, but what exactly prevents the compiler from treating some_template<T> as a type internally? Sorry if I am missing something obvious.
– batbrat
Mar 28 '19 at 8:45
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How to force link from iframe to be opened in the parent window
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+1 from me, base target="_parent" works but target="_parent" has never failed for me!
– user903601
Mar 14 '12 at 5:18
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Have bash script answer interactive prompts [duplicate]
...e things is called Expect.
You might also get away with just piping input from yes.
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How to get file_get_contents() to work with HTTPS?
...t and it still doesn't work. And allow_url_fopen. Only non https urls work from localhost.
– Curtis
Dec 24 '19 at 4:55
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Git Bash is extremely slow on Windows 7 x64
...ow network share.
I could not override HOMEDRIVE but that is not a problem from what I have seen.
Set the environment variable by right clicking
your computer on the desktop --> properties --> Advanced system settings --> Environment Variables
Add to User variables section
HOME=%USERPROF...