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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
...ered Mar 31 '11 at 14:45
David MårtenssonDavid Mårtensson
7,10044 gold badges2727 silver badges4646 bronze badges
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
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@wordsforthewise docs.python-requests.org/en/master/user/quickstart/#timeouts
– ron rothman
Oct 21 '17 at 23:44
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default select option as blank
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<td><b>Ação da atividade:</b><br>
<select style='align:left; width:100%;' id='cbxTipoSFA' name='cbxTipoSFA'>
<option hidden selected>Selecione uma opção</option>
<option value='Instalação'...
Couldn't register with the bootstrap Server
... answered May 30 '11 at 21:09
Pål BrattbergPål Brattberg
3,8502020 silver badges3131 bronze badges
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Comparing two dictionaries and checking how many (key, value) pairs are equal
... dictionaries [...]". The 'invalid dict' above with list keys is not valid python code - dict keys must be immutable. Therefore you are not comparing dictionaries. If you try and use a list as a dictionary key your code will not run. You have no objects for which to compare. This is like typing x = ...
What is wrong with using goto? [duplicate]
... of GOTOs has been pretty much eliminated. In fact, Java, Scala, Ruby, and Python don't have a goto command at all.
C, C++ and Perl still do have a GOTO command, and there are situations (in C particularly) where a GOTO is useful, for example a break statement that exits multiple loops, or as a wa...
How to make a flat list out of list of lists?
... whether there is a shortcut to make a simple list out of list of lists in Python.
42 Answers
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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...们可以通过以下几种方式来使用 ulimit：
在用户的启动脚本中
如果用户使用的是 bash，就可以在用户的目录下的 .bashrc 文件中，加入 ulimit – u 64，来限制用户最多可以使用 64 个进程。此外，可以在与 .bashrc 功能相当的启动...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
... json.dump("ברי צקלה", json_file, ensure_ascii=False)
Caveats for Python 2
For Python 2, there are some more caveats to take into account. If you are writing this to a file, you can use io.open() instead of open() to produce a file object that encodes Unicode values for you as you write, t...
window.close and self.close do not close the window in Chrome
...t of the hacks we have no clean solution, pity.
– GµårÐïåñ
Nov 5 '13 at 0:13
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