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Pip freeze vs. pip list
...the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be installed.
You can read more in "Virtualenv and pip Basics",
and the official "Requirements File Format" doc...
Why #egg=foo when pip-installing from git repo
...#egg=Package so pip knows what to expect at that URL. See https://pip.pypa.io/en/stable/reference/pip_install/#vcs-support
more on eggs
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Is there any Rails function to check if a partial exists?
...=> "#{dynamic_partial}" if File.exists?(Rails.root.join("app", "views", params[:controller], "_#{dynamic_partial}.html.erb")) %>
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MongoDB: Is it possible to make a case-insensitive query?
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new RegExp("^" + req.params.term.toLowerCase(), "i") also works fine
– Tahir Yasin
Mar 29 '17 at 15:43
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What exactly are unmanaged resources?
...llector does not know about. For example:
Open files
Open network connections
Unmanaged memory
In XNA: vertex buffers, index buffers, textures, etc.
Normally you want to release those unmanaged resources before you lose all the references you have to the object managing them. You do this by cal...
Capturing standard out and error with Start-Process
...e
Note that (as in your example) you need to add the -PassThru and -Wait parameters (this caught me out for a while).
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Remove rows with all or some NAs (missing values) in data.frame
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If performance is a priority, use data.table and na.omit() with optional param cols=.
na.omit.data.table is the fastest on my benchmark (see below), whether for all columns or for select columns (OP question part 2).
If you don't want to use data.table, use complete.cases().
On a vanilla data.fram...
Android: ListView elements with multiple clickable buttons
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Thats because when you use the position parameter of the getView method it gives you the position of the item of the list which is most recently created but not the one you clicked
– Archie.bpgc
Jul 20 '12 at 9:52
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How to get a JavaScript object's class?
...will change non-global class names. To prevent this, Uglify has a --mangle param that you can set to false is using gulp or grunt.
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
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If it is possible pass the params through regular GET/POST with a different name and let your server side code handles it.
I had a similar issue with my own proxy to bypass CORS and I got the same error of POST->OPTION in Chrome. It was the Author...