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Automatic Retina images for web sites
...ring the screen resolution, a web server configured to serve images from a PHP script, and named script to read the cookie and serve the appropriate image.
A bunch of possibilities well described and discussed on Smashing Magazine.
Serving just slightly higher resolutions to smooth retina portrayal ...
Using module 'subprocess' with timeout
...nux) in the context of an Apache module (like mod_python, mod_perl, or mod_php), I've found the use of signals and alarms to be disallowed (presumably because they interfere with Apache's own IPC logic). So to achieve the goal of timing out a command I have been forced to write "parent loops" which ...
Swift equivalent for MIN and MAX macros
...re are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?
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SVN encrypted password store
... You can get it without recompiling, based on ubuntuforums.org/showthread.php?t=1348567. Just set this to ~/.subversion/config [auth] password-stores = gnome-keyring
– fikr4n
Apr 29 '12 at 3:21
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Running a cron job at 2:30 AM everyday
...running you can check Debugging crontab or Why is crontab not executing my PHP script?.
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Convert list of dictionaries to a pandas DataFrame
...his case is not considered in the OP, but is still useful to know.
Setting Custom Index
If you need a custom index on the resultant DataFrame, you can set it using the index=... argument.
pd.DataFrame(data, index=['a', 'b', 'c'])
# pd.DataFrame.from_records(data, index=['a', 'b', 'c'])
A B C ...
How long do browsers cache HTTP 301s?
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I confirm that redirecting back (with a PHP redirection in my case) works perfectly on Google Chrome as long as (obviously) you removed the initial 301 redirect.
– Vincent Poirier
Mar 14 '17 at 14:00
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How to ignore files/directories in TFS for avoiding them to go to central source repository?
... the packages folder trying to sneak into my source control repo!
Further Customization
While not mine, I have found this .tfignore template by sirkirby to be handy. The example in my answer covers the Nuget packages folder but this template includes some other things as well as provides additional...
Check for array not empty: any?
...t:
This is not the same as present? from ActiveSupport.
You might want a custom version for String, that ignores whitespace (like present? does).
You might want the name length? for String or other types where it might be more descriptive.
You might want it custom for Integer and other Numeric typ...
Get MIME type from filename extension
...ring mimeType = MimeMapping.GetMimeMapping(fileName);
If you need to add custom mappings you probably can use reflection to add mappings to the BCL MimeMapping class, it uses a custom dictionary that exposes this method, so you should invoke the following to add mappings (never tested tho, but sho...