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How to switch databases in psql?
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So can this work among SQL statements in a .sql file? e.g. can I have CREATE DATABASE mydb; followed by \connect mydb?
– J86
Jun 11 '18 at 21:10
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How to Uninstall RVM? [duplicate]
...rf ~/.rvm
And don’t forget to remove the script calls in the following files:
~/.bashrc
~/.bash_profile
~/.profile
And maybe others depending on whatever shell you’re using.
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Lock screen orientation (Android) [duplicate]
...droid:screenOrientation="landscape"></activity>
In the manifest file this caused that activity to display in landscape. However when I returned to previous activities they displayed in lanscape even though they were set to portrait. However by adding
setRequestedOrientation(ActivityI...
Generating matplotlib graphs without a running X server [duplicate]
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Alternately, you can just set the backend parameter in your .matplotlibrc file to automatically have matplotlib.pyplot use the given renderer.
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Converting string to numeric [duplicate]
I've imported a test file and tried to make a histogram
2 Answers
2
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node.js equivalent of python's if __name__ == '__main__' [duplicate]
...cribe another way to do this which may be the preferred method:
When a file is run directly from Node, require.main is set to its module.
To take advantage of this, check if this module is the main module and, if so, call your main code:
var fnName = function() {
// main code
}
if (requi...
Reading and writing environment variables in Python? [duplicate]
...ou want to pass global variables into new scripts, you can create a python file that is only meant for holding global variables (e.g. globals.py). When you import this file at the top of the child script, it should have access to all of those variables.
If you are writing to these variables, then t...
Working with UTF-8 encoding in Python source [duplicate]
...r needed in Python 3, where utf-8 is already the default for Python source files. See python.org/dev/peps/pep-3120
– Jonathan Hartley
Aug 10 '16 at 21:06
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Replace all whitespace characters
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Not /gi but /g
var fname = "My Family File.jpg"
fname = fname.replace(/ /g,"_");
console.log(fname);
gives
"My_Family_File.jpg"
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How to format code in Xcode? [duplicate]
...ess Ctrl+I.
Use Cmd+A first if you wish to format all text in the selected file.
Note: this procedure only re-indents the lines, it does not do any advanced formatting.
In XCode 12 beta:
The new key binding to re-indent is Option+I.
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