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What is a “slug” in Django?

... A "slug" is a way of generating a valid URL, generally using data already obtained. For instance, a slug uses the title of an article to generate a URL. I advise to generate the slug by means of a function, given the title (or another piece of data), rather than...
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How do DATETIME values work in SQLite?

...ntegers. Integers will always be supported as integers in databases, flat files, etc. You do a little math and cast it into another type and you can format the date anyway you want. Doing it this way, you don't have to worry when [insert current favorite database here] is replaced with [future ...
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How can I upgrade specific packages using pip and a requirements file?

I'm using pip with a requirements file, in a virtualenv, for my Django projects. I'm trying to upgrade some packages, notably Django itself, and I'm getting an error about source code conflicts: ...
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How to create PDFs in an Android app? [closed]

Is there any way to create PDF Files from an Android application? 8 Answers 8 ...
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MySQL Fire Trigger for both Insert and Update

...et easier maintenance and a guarantee that the two triggers' code won't accidentally diverge. – derobert Oct 9 '19 at 14:30  |  show 1 more co...
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How to set JAVA_HOME in Linux for all users

... find /usr/lib/jvm/java-1.x.x-openjdk vim /etc/profile Prepend sudo if logged in as not-privileged user, ie. sudo vim Press 'i' to get in insert mode add: export JAVA_HOME="path that you found" export PATH=$JAVA_HOME/bin:$PATH logout and login again, reboot, or use sourc...
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No module named _sqlite3

... It seems your makefile didn't include the appropriate .so file. You can correct this problem with the steps below: Install sqlite-devel (or libsqlite3-dev on some Debian-based systems) Re-configure and re-compiled Python with ./configure --e...
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How to pass json POST data to Web API method as an object?

...thod parameter like this public class CreateUserViewModel { public int Id {set;get;} public string Name {set;get;} public List<TagViewModel> Tags {set;get;} } public class TagViewModel { public int Id {set;get;} public string Code {set;get;} } and your web api end point is li...
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Android: allow portrait and landscape for tablets, but force portrait on phone?

...ualifiers. Put this bool resource in res/values as bools.xml or whatever (file names don't matter here): <?xml version="1.0" encoding="utf-8"?> <resources> <bool name="portrait_only">true</bool> </resources> Put this one in res/values-sw600dp and...
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How to use ArrayAdapter

...iew; } public MyClassAdapter(Context context, int textViewResourceId, ArrayList<MyClass> items) { super(context, textViewResourceId, items); } public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { conve...