大约有 30,000 项符合查询结果（耗时：0.0276秒） [XML]
list.clear() vs list = new ArrayList(); [duplicate]
...verage size is lower, it might be faster to make a new ArrayList.
http://www.docjar.com/html/api/java/util/ArrayList.java.html
public void clear() {
modCount++;
// Let gc do its work
for (int i = 0; i < size; i++)
elementData[i] = null;
size = 0;
}
...
Short circuit Array.forEach like calling break
...specification that the index k starts at 0 and is incremented by 1: http://www.ecma-international.org/ecma-262/6.0/#sec-array.prototype.every
– XP1
Jun 26 '17 at 0:51
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Targeting only Firefox with CSS
...html>
ff.xml
<?xml version="1.0"?>
<bindings xmlns="http://www.mozilla.org/xbl">
<binding id="load-mozilla-css">
<implementation>
<constructor>
<![CDATA[
var link = document.createElement("link");
...
Should IBOutlets be strong or weak under ARC?
...rong should be the default and that the developer docs are being updated.
https://twitter.com/_danielhall/status/620716996326350848
https://twitter.com/_danielhall/status/620717252216623104
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Mongod complains that there is no /data/db folder
...ere to better understand the meaning of the directory permissions:
http://www.perlfect.com/articles/chmod.shtml
Maybe also check out one of the tutorials you can find via Google: "UNIX for beginners"
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Algorithm to detect overlapping periods [duplicate]
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There is a wonderful library with good reviews on CodeProject: http://www.codeproject.com/Articles/168662/Time-Period-Library-for-NET
That library does a lot of work concerning overlap, intersecting them, etc. It's too big to copy/paste all of it, but I'll see which specific parts which can be...
Rails 4: assets not loading in production
...ooks like this:
location ~ ^/(assets|images|fonts)/(.*)$ {
alias /var/www/foster_care/current/public/$1/$2;
gzip on;
expires max;
add_header Cache-Control public;
}
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improv...
ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
... using Theme.AppCompat (res/values/themes.xml). This is the phone: http://www.gsmarena.com/samsung_galaxy_y_s5360-4117.php
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What does the function then() mean in JavaScript?
...g callback functions on the promise object.
Deferred objects in Jquery : https://api.jquery.com/jquery.deferred/
Deferred objects in AngularJs : https://docs.angularjs.org/api/ng/service/$q
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Find merge commit which include a specific commit
...nt if ($seen{$_} .= @ARGV) =~ /10$/' file1 file2
(perl code from http://www.cyberciti.biz/faq/command-to-display-lines-common-in-files/ , which took it from "someone at comp.unix.shell news group").
See process substitution if you want to make it a one-liner.
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