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Remove an item from array using UnderscoreJS
... arr = [{
id: 1,
name: 'a'
}, {
id: 2,
name: 'b'
}, {
id: 3,
name: 'c'
}];
//substract third
arr = _.without(arr, _.findWhere(arr, {
id: 3
}));
console.log(arr);
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></scrip...
Convert command line arguments into an array in Bash
...nto the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
3
$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is particularly useful in POSIX sh, which has nothing else like an array.
...
All possible array initialization syntaxes
...s above, the first two could replace the string[] on the left with var (C# 3+), as the information on the right is enough to infer the proper type. The third line must be written as displayed, as array initialization syntax alone is not enough to satisfy the compiler's demands. The fourth could also...
Display a float with two decimal places in Python
...uld use the string formatting operator for that:
>>> '%.2f' % 1.234
'1.23'
>>> '%.2f' % 5.0
'5.00'
The result of the operator is a string, so you can store it in a variable, print etc.
share
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Is there a way to squash a number of commits non-interactively?
I'm trying to squash a range of commits - HEAD to HEAD~3. Is there a quick way to do this, or do I need to use rebase --interactive?
...
C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
... cout<<"dui lie bu kong\n";
system("PAUSE");
return 0;
}
3、priority_queue
在<queue>头文件中，还定义了另一个非常有用的模板类priority_queue(优先队列）。优先队列与队列的差别在于优先队列不是按照入队的顺序出队，而是按照队列...
Understanding how recursive functions work
...
answered Sep 5 '14 at 0:43
Catfish_ManCatfish_Man
38.6k1111 gold badges6363 silver badges8181 bronze badges
...
How do I check if an array includes a value in JavaScript?
...
community wiki
33 revs, 19 users 29%codeape
42
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Exif manipulation library for python [closed]
... huon
68.2k1212 gold badges181181 silver badges193193 bronze badges
answered Apr 19 '09 at 13:21
Paolo BergantinoPaolo Bergantino
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Wrapping null-returning method in Java with Option in Scala?
...
183
The Option companion object's apply method serves as a conversion function from nullable referen...