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differentiate null=True, blank=True in django
...answer is a really long way of saying that, and doesn't provide any useful information about blank.
– Carl Meyer
Sep 4 '14 at 20:01
20
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JavaScript global event mechanism
...ol;
extra += !error ? '' : '\nerror: ' + error;
// You can view the information in an alert to see things working like this:
alert("Error: " + msg + "\nurl: " + url + "\nline: " + line + extra);
// TODO: Report this error via ajax so you can keep track
// of what pages have JS...
How to link to apps on the app store
...to the iTunes store and itms-apps:// with send them to the App Store!
For info on naming, see Apple QA1633:
https://developer.apple.com/library/content/qa/qa1633/_index.html.
Edit (as of January 2015):
itunes.com/apps links should be updated to appstore.com/apps. See QA1633 above, which has be...
How to urlencode data for curl command?
...e "secondParam=value" \
http://example.com
See the man page for more info.
This requires curl 7.18.0 or newer (released January 2008). Use curl -V to check which version you have.
You can as well encode the query string:
curl -G \
--data-urlencode "p1=value 1" \
--data-urlencode "p...
How do I create a namespace package in Python?
...ackages=['package'], setup.py will add a namespace_packages.txt in the EGG-INFO. Still don't know the impacts…
– Laurent LAPORTE
Dec 9 '16 at 11:55
1
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Hidden Features of MySQL
.../dev.mysql.com/doc/refman/5.0/en/binary-log.html
http://www.mydigitallife.info/2007/10/06/how-to-read-mysql-binary-log-files-binlog-with-mysqlbinlog/
http://dev.mysql.com/doc/refman/5.1/en/mysqlbinlog.html
http://dev.mysql.com/doc/refman/5.0/en/binary-log.html
http://dev.mysql.com/doc/refman/5....
Using Mockito with multiple calls to the same method with the same arguments
...o).doReturn(bar).doThrow(new Exception("Test").when(mock).method();
More info in Mockito's Documenation.
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How to find the created date of a repository project on GitHub?
...d date of a project on GitHub.
Use the Repos GitHub API to retrieve this information
Syntax: https://api.github.com/repos/{:owner}/{:repository}
Example: https://api.github.com/repos/libgit2/libgit2sharp
The JSON payload will expose a created_at member with the UTC date the repository was crea...
Renaming projects in Xcode 4
...path appropriately for the following values:
'Prefix Header' and 'Info.plist file'
And you're done.
If you also have a Tests folder then you will want to repeat the same.
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Get file size, image width and height before upload
...
Multiple images upload with info data preview
Using HTML5 and the File API
Example using URL API
The images sources will be a URL representing the Blob object
<img src="blob:null/026cceb9-edr4-4281-babb-b56cbf759a3d">
const EL_browse = do...