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How to determine the current shell I'm working on
...er (for example, if the shell's PID is "5", you may find processes called "java5" or "perl5" in the same grep output!). This is the second problem with the "ps" approach, on top of not being able to rely on the shell name.
echo $SHELL - The path to the current shell is stored as the SHELL variable f...
Regular expression to allow spaces between words
...Check what dialect of regular expressions you're using.* In languages like Java you'll have to escape your backslashes, i.e. \\w and \\s. In older or more basic languages and utilities, like sed, \w and \s aren't defined, so write them out with character classes, e.g. [a-zA-Z0-9_] and [\f\n\p\r\t], ...
Android: integer from xml resource
...nteger>
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</resources>
Reference the integer value in the Java code like this:
It's a bit different from the getString(), you have to take a little detour.
ProgressDialog progressBar = new ProgressDialog(getContext());
int max = getContext().getResources().getInteger(R.integer.max...
How does an underscore in front of a variable in a cocoa objective-c class work?
...h is important in the absence of 'garbage collection' which you'll find in Java)
– David Sigley
Aug 30 '13 at 13:34
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Matplotlib Legends not working
... answered May 1 '18 at 5:05
Java By KiranJava By Kiran
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Function in JavaScript that can be called only once
...ce, 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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Using Mockito to test abstract classes
...hods, this won't work -- Mockito will complain "Cannot call real method on java interface."
(Yes, it's a lousy design, but some frameworks, e.g. Tapestry 4, kind of force it on you.)
The workaround is to reverse this approach -- use the ordinary mock behavior (i.e., everything's mocked/stubbed) an...
How do I convert a string to a double in Python?
.... Use float (which behaves like and has the same precision as a C,C++, or Java double).
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How to escape % in String.Format?
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Calculate distance between 2 GPS coordinates
...he distance between two coordinates by latitude and longitude, including a Javascript implementation.
West and South locations are negative.
Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees.
Don't forget to convert degrees to radians. Many languages have this function. O...