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How do I access the request object or any other variable in a form's clean() method?
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The answer by Ber - storing it in threadlocals - is a very bad idea. There's absolutely no reason to do it this way.
A much better way is to override the form's __init__ method to take an extra keyword argument, request. This stores the request in the form, where it's required, and from...
How to programmatically display version/build number of target in iOS app?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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What does PorterDuff.Mode mean in android graphics.What does it do?
I would like to know what PorterDuff.Mode means in android graphics.
2 Answers
2
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How to redirect Valgrind's output to a file?
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initTagRenderer("".split(" "), "".split(" "), channelOptions);
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How to save an HTML5 Canvas as an image on a server?
...to allow users to save the resulting images from an algorithm. The general idea is:
8 Answers
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Using print statements only to debug
...e me write a lot of print statements to verify if it's all going right and identify the points of failure. But, generally, outputting so much information is not a good practice. How do I use the print statements only when I want to debug and let them be skipped when I don't want them to be printed? ...
Incompatible implicit declaration of built-in function ‘malloc’
...t's defined as int malloc() which is incompatible with the built-in type void *malloc(size_t).
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How can I define a composite primary key in SQL?
...te primary key. It is defined as follows:
CREATE TABLE voting (
QuestionID NUMERIC,
MemberID NUMERIC,
PRIMARY KEY (QuestionID, MemberID)
);
The pair (QuestionID,MemberID) must then be unique for the table and neither value can be NULL. If you do a query like this:
SELECT * FROM voting WHER...
how to restart only certain processes using supervisorctl?
...ver]
file=%(here)s/supervisor.sock
[supervisord]
logfile=supervisord.log
pidfile=supervisord.pid
[program:cat1]
command=cat
[program:cat2]
command=cat
[program:cat3]
command=cat
[group:foo]
programs=cat1,cat3
[supervisorctl]
serverurl=unix://%(here)s/supervisor.sock
[rpcinterface:supervisor]
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Selectors in Objective-C?
...s the name used to select a method to execute for an object, or the unique identifier that replaces the name when the source code is compiled. A selector by itself doesn’t do anything. It simply identifies a method. The only thing that makes the selector method name different from a plain string i...