大约有 44,000 项符合查询结果(耗时:0.0464秒) [XML]

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list_display - boolean icons for methods

When defining the list_display array for a ModelAdmin class, if a BooleanField or NullBooleanField is given the UI will use nice looking icons instead of True/False text in the column. If a method that returns a boolean is given, however, it simply prints out True/False. ...
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When should I use ugettext_lazy?

I have a question about using ugettext and ugettext_lazy for translations. I learned that in models I should use ugettext_lazy , while in views ugettext. But are there any other places, where I should use ugettext_lazy too? What about form definitions? Are there any performance diffrences betwe...
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curl : (1) Protocol https not supported or disabled in libcurl

I'm trying to install the Rails environments on Ubuntu 11.04. When I launch the command rvm install 1.9.2 --with-openssl-dir=/usr/local the following error is received: ...
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How to read and write INI file with Python3?

I need to read, write and create an INI file with Python3. 6 Answers 6 ...
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Execute bash script from URL

Say I have a file at the URL "http://mywebsite.com/myscript.txt" that contains a script: 14 Answers ...
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How to get Sinatra to auto-reload the file after each change?

I am using 9 Answers 9 ...
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How do I use Nant/Ant naming patterns?

I have to admit that I always forgot the syntactical intracacies of the naming patterns for Nant (eg. those used in filesets). The double asterisk/single asterisk stuff seems to be very forgettable in my mind. ...
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How can I read command line parameters from an R script?

I've got a R script for which I'd like to be able to supply several command-line parameters (rather than hardcode parameter values in the code itself). The script runs on Windows. ...
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Mean per group in a data.frame [duplicate]

I have a data.frame and I need to calculate the mean per group (i.e. per Month , below). 8 Answers ...
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GLib compile error (ffi.h), but libffi is installed

After a succesful configure, make exits with snipped 5 Answers 5 ...