大约有 48,000 项符合查询结果（耗时：0.1353秒） [XML]
How to apply shell command to each line of a command output?
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222
It's probably easiest to use xargs. In your case:
ls -1 | xargs -L1 echo
The -L flag ensure...
How do I rename all folders and files to lowercase on Linux?
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27 Answers
27
Active
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How do you log server errors on django sites
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edited Jun 25 '10 at 1:49
David Wolever
123k7676 gold badges297297 silver badges462462 bronze badges
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Pick a random element from an array
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326
Swift 4.2 and above
The new recommended approach is a built-in method on the Collection protoc...
Why is pow(a, d, n) so much faster than a**d % n?
...Miller-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem:
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How to generate unique ID with node.js
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function generate(count, k) {
var _sym = 'abcdefghijklmnopqrstuvwxyz1234567890',
var str = '';
for(var i = 0; i < count; i++) {
str += _sym[parseInt(Math.random() * (_sym.length))];
}
base.getID(str, function(err, res) {
if(!res.length) {
k(str) ...
Why does ++[[]][+[]]+[+[]] return the string “10”?
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2099
If we split it up, the mess is equal to:
++[[]][+[]]
+
[+[]]
In JavaScript, it is true tha...
In C#, why is String a reference type that behaves like a value type?
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12 Answers
12
Active
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Why use the INCLUDE clause when creating an index?
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edited Jul 9 '18 at 5:52
Kolappan N
1,83322 gold badges2323 silver badges2727 bronze badges
answered ...
Empty arrays seem to equal true and false at the same time
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276
You're testing different things here.
if (arr) called on object (Array is instance of Object...