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How do I find out if the GPS of an Android device is enabled
...y are privacy settings and we have to check if they are switched on or not from the program and handle it if they are not switched on.
you can notify the user that GPS is turned off and use something like this to show the settings screen to the user if you want.
Check if location providers are avai...
What does ||= (or-equals) mean in Ruby?
...ake ||= behave more like the second expansion. (I based this on an example from one of the threads linked to in another answer.)
– antinome
Oct 10 '14 at 16:08
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Determine the number of lines within a text file
.... You don't have to copy the buffer, when using ReadLine. See the answer from @GregBeech. Sorry to rain on your parade.
– Mike Christian
May 31 '12 at 16:55
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Setting the default Java character encoding
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From the JVM™ Tool Interface documentation…
Since the command-line cannot always be accessed or modified, for example in embedded VMs or simply VMs launched deep within scripts, a JAVA_TOOL_OPTIONS variable is provide...
How to elegantly check if a number is within a range?
...<= 100
Here is a clever method that reduces the number of comparisons from two to one by using some math. The idea is that one of the two factors becomes negative if the number lies outside of the range and zero if the number is equal to one of the bounds:
If the bounds are inclusive:
(x - 1) *...
jQuery if checkbox is checked
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
Not the answer you're looking for? Browse other questions t...
Difference between Key, Primary Key, Unique Key and Index in MySQL
...d someone by the last name: We don't start searching through the directory from cover to cover, as long we inserted the information in some order that we can use to skip quickly to the 'S' pages.
Primary keys and unique keys are similar. A primary key is a column, or a combination of columns, that ...
Make install, but not to default directories?
... there will be references to the path you run make in anyway, if you build from source.
– Konstantin Rybakov
Jan 29 at 7:32
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How to Apply Gradient to background view of iOS Swift App
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This is a simple and nice way, good effort from you. Thank you, +1
– mAc
May 15 at 12:41
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MSSQL Error 'The underlying provider failed on Open'
... the EF data model it created a connection string that uses the login data from the Data Connections in VS . No user or password was in the connection string so , remove Integrated Security=True and replace it with user id=sa;password=notmyrealpassword to fix this deployment issue .
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