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Git merge reports “Already up-to-date” though there is a difference
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BombeBombe
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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...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
... 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
0x0E, 0x8E, 0x4...
xpath find if node exists
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Try the following expression: boolean(path-to-node)
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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...
请问 App Inventor 2 能不能做出很好看的界面？ - App应用开发 - 清泛IT社...
问：请问这个能不能做出很好的看的界面？
答：当然是可以的，专业好看的界面也是一点点布局产生的，原生Android能开发出的界面，理论上App Inventor 2也能开发出来。
一般来说，如果原生组件布局的界面不能满足要求，那么...
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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Does order of where clauses matter in SQL?
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ANSI SQL Draft 2003 5WD-01-Framework-2003-09.pdf
6.3.3.3 Rule evaluation order
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Where the precedence is not determined by the Formats or by parentheses, effective evaluation of expressions is generally performed from left to right. However, it is implementation-de...