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R command for setting working directory to source file location in Rstudio
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To get the location of a script being sourced, you can use utils::getSrcDirectory or utils::getSrcFilename. So changing the working directory to that of the current file can be done with:
setwd(getSrcDirectory()[1])
This does not work in RStudio ...
Redirect stdout to a file in Python?
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If you want to do the redirection within the Python script, setting sys.stdout to a file object does the trick:
import sys
sys.stdout = open('file', 'w')
print('test')
A far more common method is to use shell redirection when executing (same on Windows and Linux):
$ python...
How to find largest objects in a SQL Server database?
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I've been using this SQL script (which I got from someone, somewhere - can't reconstruct who it came from) for ages and it's helped me quite a bit understanding and determining the size of indices and tables:
SELECT
t.name AS TableName,
i.n...
Update Item to Revision vs Revert to Revision
...opy, after you do some change, and want to commit, you will fail,TSVN will alert you to update your WC to latest revision first
If you Revert to a rev, you can commit to repository.everyone will back to the rev after they do an update.
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How to un-submodule a Git submodule?
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I've created a script that will translate a submodule to a simple directory, while retaining all file history. It doesn't suffer from the git log --follow <file> issues that the other solutions suffer from. It's also a very easy one...
How to get full path of selected file on change of using javascript, jquery-ajax
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For security reasons browsers do not allow this, i.e. JavaScript in browser has no access to the File System, however using HTML5 File API, only Firefox provides a mozFullPath property, but if you try to get the value it returns an empty string:
$('input[type=file]').change(functio...
Profiling Vim startup time
...ile.log in the current directory with all required information. To get per-script information table similar to already present per-function one, use (after opening this file in vim):
" Open profile.log file in vim first
let timings=[]
g/^SCRIPT/call add(timings, [getline('.')[...
How/when to use ng-click to call a route?
...;meta charset="UTF-8">
<title>Testing</title>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular-route.min.js"></script>
&...
How to load assemblies in PowerShell?
... of 2008 and 2012 client tools. This is the only way to make my PowerShell scripts work for all my team without including clumsy version-fallback logic.
– Iain Samuel McLean Elder
Oct 22 '13 at 15:52
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
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Worked like a charm, used within an init.sql script inside Docker container. Thanks!
– Micheal J. Roberts
May 3 '19 at 8:01
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