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Why doesn't django's model.save() call full_clean()?
...s good reason why django's orm doesn't call 'full_clean' on a model unless it is being saved as part of a model form.
6 A...
Reading a huge .csv file
I'm currently trying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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Getting key with maximum value in dictionary?
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You can use operator.itemgetter for that:
import operator
stats = {'a':1000, 'b':3000, 'c': 100}
max(stats.iteritems(), key=operator.itemgetter(1))[0]
And instead of building a new list in memory use stats.iteritems(). The key parameter to the...
jQuery scroll() detect when user stops scrolling
Ok with this..
13 Answers
13
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Shell script while read line loop stops after the first line
... is the input parameter to the script) and do work against each line. Now, it seems only work with the very first line in the target file and stops after that line got processed. Is there anything wrong with my script?
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How to change the session timeout in PHP?
...lutely certain that no session ever will survive after X minutes of inactivity.
If relaxing this requirement a little is acceptable and you are fine with placing a lower bound instead of a strict limit to the duration, you can do so easily and without writing custom logic.
Convenience in relaxed env...
What can , and be used for?
...aram> manages the setting, conversion and validation of GET parameters. It's like the <h:inputText>, but then for GET parameters.
The following example
<f:metadata>
<f:viewParam name="id" value="#{bean.id}" />
</f:metadata>
does basically the following:
Get the reque...
Any way to delete in vim without overwriting your last yank? [duplicate]
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Pass to the _ register, the black hole.
To delete a line without sticking it in the registers:
"_dd
See also :help registers.
It's probably safest, if you want to paste something over and over again, to yank it into a "named" register.
"aY
Yanks a line into the a register. P...
wget/curl large file from google drive
...trying to download a file from google drive in a script, and I'm having a little trouble doing so. The files I'm trying to download are here .
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PHP: Storing 'objects' inside the $_SESSION
...igured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved.
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