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How to get name of exception that was caught in Python?
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
...riginal QuerySet, the original results are grouped
according to the unique combinations of the fields specified in the
values() clause"
annotate() : specifies an operation over the grouped values
Django docs:
The second way to generate summary values is to generate an independent summary for each ...
How to define several include path in Makefile
New to C++; Basic understanding of includes, libraries and the compile process. Did a few simple makefiles yet.
2 Answers
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How do you do natural logs (e.g. “ln()”) with numpy in Python?
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A migration to add unique constraint to a combination of columns
What I need is a migration to apply unique constraint to a combination of columns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
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Disable Visual Studio devenv solution save dialog
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As indicated here, you have to configure "C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\vslauncher.exe" to run as Administrator.
Right-click C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\VSLauncher.exe
Select Properties
Click Compatibility
Set "Run this program ...
Add querystring parameters to link_to
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link_to can also produce links with anchors or query strings:
link_to "Comment wall", profile_path(@profile, :anchor => "wall")
#=> <a href="/profiles/1#wall">Comment wall</a>
link_to "Ruby on Rails search", :controller => "searches", :query => "ruby on rails"
#=> <...
What is context in _.each(list, iterator, [context])?
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@csjacobs24: It's common to have a set of reusable functions that wouldn't have access to the local variable scope. Here's a simple example: jsfiddle.net/a6Rx4/745
– user1106925
May 16 '15 at 20:26
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
... edited Jun 2 '19 at 9:14
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answered Dec 15 '12 at 20:26
BozhoBozho
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