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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
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awalker's answer helped me a lot!
I've changed his example to work with Django 1.3, using get_...
Django, creating a custom 500/404 error page
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Official answer:
Here is the link to the official documentation on how to set up custom error ...
Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?
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I currently use this solution, placed in an initializer:
ActionView::Base.field_error_proc = P...
How does Go compile so quickly?
...rences:
[1] http://www.inf.ethz.ch/personal/wirth/ProjectOberon/PO.System.pdf, page 6: "The compiler compiles itself in about 3 seconds". This quote is for a low cost Xilinx Spartan-3 FPGA development board running at a clock frequency of 25 MHz and featuring 1 MByte of main memory. From this one c...
Outputting data from unit test in python
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We use the logging module for this.
For example:
import logging
class SomeTest( unittest.Test...
xpath find if node exists
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Try the following expression: boolean(path-to-node)
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
... are some operating systems like MVS which cannot handle lines longer than 72 characters. PEP-8 won't help here. Setting an arbitrary limit of 79 characters makes no sense since how characters per line are good depends on the editor, the monitor, the personal preferences of the user and so on.
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What is the memory consumption of an object in Java?
....virginia.edu/kim/publicity/pldi09tutorials/memory-efficient-java-tutorial.pdf is also very informative, for example:
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Automatically capture output of last command into a variable using Bash?
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+25
This is ...
Windows没有telnet怎么办？ - 环境配置 - 清泛IT论坛，有思想、有深度
一、打开控制面板，点”卸载程序“：
二、启用功能列表中找到“Telnet客户端”并勾上，点“确定”：
三、telnet命令OK：