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Why aren't superclass __init__ methods automatically invoked?
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Alex MartelliAlex Martelli
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What do commas and spaces in multiple classes mean in CSS?
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.container_12 .grid_6,
.container_16 .grid_8 {
width: 460px;
}
That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same:
<div class="container_12">
<div class="grid...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
I often see source code using types like uint32, uint64 and I wonder if they should be defined by the programmer in the application code or if they are defined in a standard lib header.
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How to show all shared libraries used by executables in Linux?
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274
Use ldd to list shared libraries for each executable.
Cleanup the output
Sort, compute counts, ...
Input from the keyboard in command line application
... Ezekiel ElinEzekiel Elin
2,02622 gold badges1414 silver badges2424 bronze badges
2
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Get hours difference between two dates in Moment Js
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649
You were close. You just need to use the duration.asHours() method (see the docs).
var duratio...
浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
...用位数，所以int类型32位 那么就是 -(2^31)~2^31 -1 即
-2147483648~2147483647,但是为什么最小负数绝对值总比最大正数多1 ，这个问题甚至有的工作几年的程序员都模棱两可，因为没有深入思考过，只知道书上这么写。。于是，我不得...
Get model's fields in Django
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149
_meta is private, but it's relatively stable. There are efforts to formalise it, document it an...
Python - Create a list with initial capacity
... result[i]= message
return result
Results. (evaluate each function 144 times and average the duration)
simple append 0.0102
pre-allocate 0.0098
Conclusion. It barely matters.
Premature optimization is the root of all evil.
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how to break the _.each function in underscore.js
...you could do something convoluted like this (link to JSFiddle):
[1, 2, 3, 4].every(function(n) {
alert(n);
return n !== 3;
});
This will alert 1 through 3, and then "break" out of the loop.
You're using underscore.js, so you'll be pleased to learn that it does provide an every method—t...