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Viewing a Deleted File in Git
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git show HEAD^:path/to/file
You can use an explicit commit identifier or HEAD~n to see older versions or if there has been more than one commit since you deleted it.
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Adding data attribute to DOM
...o', '222');
Note that this doesn't create an actual data-info attribute. If you need to create the attribute, use .attr():
$('div').attr('data-info', '222');
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How to change plot background color?
...fig.add_subplot(1, 1, 1) # nrows, ncols, index
You used the stateful API (if you're doing anything more than a few lines, and especially if you have multiple plots, the object-oriented methods above make life easier because you can refer to specific figures, plot on certain axes, and customize eith...
How to revert a Git Submodule pointer to the commit stored in the containing repository?
...d it, the main repo stores a SHA value (somewhere...), pointing to the specific commit of the submodule that it is "linked to".
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What is the best way to implement “remember me” for a website? [closed]
...tandard session management cookie.
The login cookie contains a series identifier and a token. The series and token are unguessable random numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine).
When a non-logged-in user visits the site...
Batch: Remove file extension
...ho %%~nf
)
pause
The following options are available:
Variable with modifier Description
%~I Expands %I which removes any surrounding
quotation marks ("").
%~fI Expands %I to a fully qualified path name.
%~dI Ex...
Django gives Bad Request (400) when DEBUG = False
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The ALLOWED_HOSTS list should contain fully qualified host names, not urls. Leave out the port and the protocol. If you are using 127.0.0.1, I would add localhost to the list too:
ALLOWED_HOSTS = ['127.0.0.1', 'localhost']
You could also use * to match any host:
ALLOWE...
VIM ctrlp.vim plugin: how to rescan files?
...and hit F5 to refresh right then. It will automatically show you the match if the file was just added to the ctrl-p cache.
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Cannot import XSSF in Apache POI
...ependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>3.11</version>
</dependency>
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How to clear a chart from a canvas so that hover events cannot be triggered?
...nd then reappending a new <canvas> to the parent container
My specific code (obviously there's a million ways to do this):
var resetCanvas = function(){
$('#results-graph').remove(); // this is my <canvas> element
$('#graph-container').append('<canvas id="results-graph"><...