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Django auto_now and auto_now_add
...u Dmitry. I'm curious as to why the two fields threw errors.. And I'm even more curious as to why you think writing your own custom save() method is better?
– hora
Nov 15 '09 at 10:51
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How can I pretty-print JSON in a shell script?
...ou can make an alias:
alias prettyjson='python -m json.tool'
For even more convenience with a bit more typing to get it ready:
prettyjson_s() {
echo "$1" | python -m json.tool
}
prettyjson_f() {
python -m json.tool "$1"
}
prettyjson_w() {
curl "$1" | python -m json.tool
}
for a...
How to stop text from taking up more than 1 line?
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New line in JavaScript alert box
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How to create a self-signed certificate with OpenSSL
...third party unless you import them to the browsers previously. If you need more security, you should use a certificate signed by a certificate authority (CA).
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What is the difference between JSF, Servlet and JSP?
...listen to a certain HTTP URL pattern, which is configurable in web.xml, or more recently with Java EE 6, with @WebServlet annotation.
When a Servlet is first requested or during web app startup, the servlet container will create an instance of it and keep it in memory during the web app's lifetime. ...
How to say “should_receive” more times in RSpec
...hould_receive(:msg).at_least(n).times.with(@project).and_return(@project)
more details at https://www.relishapp.com/rspec/rspec-mocks/v/2-13/docs/message-expectations/receive-counts under Receive Counts
Hope it helps =)
sha...
INNER JOIN vs LEFT JOIN performance in SQL Server
...t uses INNER JOIN on 9 tables, anyway this command takes a very long time (more than five minutes). So my folk suggested me to change INNER JOIN to LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got significantly improved.
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Generate random numbers following a normal distribution in C/C++
..., then the polar method is faster, though. And the Ziggurat algorithm even more (albeit much more complex to write).
– Joey
Feb 24 '10 at 12:15
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