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iOS: Access app-info.plist variables in code
...ode (right click the info.plist - select Open As) then you will get to see all the various key names you can use.
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Why is $$ returning the same id as the parent process?
... "parent" is a bit misleading (at least it was to me), it's actually the "top level" shell. For instance : echo $$; (echo $$; (echo $$)) echoes the same pid three times
– Martin Bouladour
Jul 20 '17 at 9:59
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Find number of months between two Dates in Ruby on Rails
...like the idea behind it, but it is incorrect if the datespan is becoming really long. In my example of Date.new(2014, 10, 31), Date.new(1997, 4, 30) I received 213 instead of 210 months. The reason for that is that 1.month.seconds is the number of seconds in 30 days and not the average seconds in a ...
Does the Java &= operator apply & or &&?
...non-trivial, the performance difference between the two versions is too small to be worth considering.
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IntelliJ IDEA jump from interface to implementing class in Java
Is there some shortcut that would allow me after creating method in an interface, select and jump to implementing class of that interface?
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SQL Call Stored Procedure for each Row without using a cursor
How can one call a stored procedure for each row in a table, where the columns of a row are input parameters to the sp without using a Cursor?
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Read/write files within a Linux kernel module
I know all the discussions about why one should not read/write files from kernel, instead how to use /proc or netlink to do that. I want to read/write anyway. I have also read
Driving Me Nuts - Things You Never Should Do in the Kernel .
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Display Animated GIF
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Android actually can decode and display animated GIFs, using android.graphics.Movie class.
This is not too much documented, but is in SDK Reference. Moreover, it is used in Samples in ApiDemos in BitmapDecode example with some animated ...
Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
...<- data.frame(a = 1:3, b = letters[1:3])
comparison <- compare(a1,a2,allowAll=TRUE)
comparison$tM
# a b
#1 1 a
#2 2 b
#3 3 c
The function compare gives you a lot of flexibility in terms of what kind of comparisons are allowed (e.g. changing order of elements of each vector, changing order a...
How should I use git diff for long lines?
...nment variable. If you don't mind about paging (for example, your terminal allows you to scroll back) you might try explicitly setting GIT_PAGER to empty to stop it using a pager. Under Linux:
$ GIT_PAGER='' git diff
Without a pager, the lines will wrap.
If your terminal doesn't support coloured...