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Using unset vs. setting a variable to empty
...e used. Matchers are wrappers to '[[' and besides returning a return code, set some meaningful message saying what was expected.
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How do I expand the output display to see more columns of a pandas DataFrame?
... not necessary, pandas autodetects the size of your terminal window if you set pd.options.display.width = 0. (For older versions see at bottom.)
pandas.set_printoptions(...) is deprecated. Instead, use pandas.set_option(optname, val), or equivalently pd.options.<opt.hierarchical.name> = val. ...
Set the value of a variable with the result of a command in a Windows batch file
When working in a Bash environment, to set the value of a variable as the result of a command, I usually do:
5 Answers
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2D cross-platform game engine for Android and iOS? [closed]
...e time with Unity3d and found it's 2D part with OnGUI() or GUITextures too clumsy. Also, even a smallest game done on Unity3d is at least 10MB download which is just too much for a 2D game.
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How can I set NODE_ENV=production on Windows?
...nen's answer below. If you're in CMD (which is no longer maintained), use
set NODE_ENV=production
This should be executed in the command prompt where you intend to run your Node.js application.
The above line would set the environment variable NODE_ENV for the command prompt where you execute th...
Combining two lists and removing duplicates, without removing duplicates in original list
...he first list those elements of the second list that aren't in the first - sets are the easiest way of determining which elements they are, like this:
first_list = [1, 2, 2, 5]
second_list = [2, 5, 7, 9]
in_first = set(first_list)
in_second = set(second_list)
in_second_but_not_in_first = in_secon...
maven command line how to point to a specific settings.xml for a single command?
Is it possible to point to a specific settings file in order to override the default settings.xml being used by maven for a single command?
Example:
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
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A "DELETE FROM" does not reset auto-incrementing columns. A truncate does. They are not functionally equivalent.
– robross0606
Aug 25 '15 at 13:55
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How to make ruler always be shown in Sublime text 2?
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Edit the "rulers" value in the default settings to contain the column number you want the ruler to be displayed on, and it will persist.
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What is “String args[]”? parameter in main method Java
I'm just beginning to write programs in Java. What does the following Java code mean?
16 Answers
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