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Getting Django admin url for an object
...lvers.NoReverseMatch errors.
Turns out I had the old format admin urls in my urls.py file.
I had this in my urlpatterns:
(r'^admin/(.*)', admin.site.root),
which gets the admin screens working but is the deprecated way of doing it. I needed to change it to this:
(r'^admin/', include(admin.sit...
Increase heap size in Java
... quit.
As others have posted, use the cmd-line flags - e.g.
java -Xmx6g myprogram
You can get a full list (or a nearly full list, anyway) by typing java -X.
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Change from SQLite to PostgreSQL in a fresh Rails project
...e (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL.
13 Answers
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How do I vertically align something inside a span tag?
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Excelent! It works to any type of tag. In my case, worked to <img>.
– Felipe Conde
Mar 1 '13 at 13:38
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Return first N key:value pairs from dict
...an use a dictionary comprehension like this:
# Python 2
first2pairs = {k: mydict[k] for k in mydict.keys()[:2]}
# Python 3
first2pairs = {k: mydict[k] for k in list(mydict)[:2]}
Generally a comprehension like this is always faster to run than the equivalent "for x in y" loop. Also, by using .keys...
Search all the occurrences of a string in the entire project in Android Studio
... for the feature to find the occurrence of a string in any of the files in my project. For example: I want to find all the files that contain the string " .getUuid() "
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How do I use $scope.$watch and $scope.$apply in AngularJS?
...ges to all the variables watched by all the $scopes. So if you have $scope.myVar defined in your controller and this variable was marked for being watched, then you are implicitly telling AngularJS to monitor the changes on myVar in each iteration of the loop.
A natural follow-up question would be:...
How to generate keyboard events in Python?
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press also works with media keys. I use it to mute my computer with press('volumemute')
– CornSmith
Sep 27 '17 at 23:51
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Git format-patch to be svn compatible?
...a particular commit only: git diff --no-prefix 056a1ba5140 7d939289b80 >my.patch worked for me (where 056a1ba5140 and 7d939289b80 are the sha-1 of the previous and particular commit in git).
– Ed Randall
Jul 29 '16 at 18:39
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JavaScript: replace last occurrence of text in a string
See my code snippet below:
14 Answers
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