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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
...scroll. In other words, if I set the window's scrollTop, it will remain at 0.
If, on the other hand, the keyboard is shown, scrolling suddenly works. So I can set scrollTop, immediately test its value, and then reset it. Here's how that might look in code, using jQuery:
$(document).ready(function(...
Javascript Thousand Separator / string format [duplicate]
... thought perhaps I'd get lucky and find out that it was necessary back in 2010, but no. According to this more reliable reference, toLocaleString has been part of the standard since ECMAScript 3rd Edition [1999], which I believe means it would have been supported as far back as IE 5.5.)
Original...
Is there any significant difference between using if/else and switch-case in C#?
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Sнаđошƒаӽ
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answered Dec 28 '08 at 8:06
imaima
7,35933...
Filter Java Stream to 1 and only 1 element
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How to find first element of array matching a boolean condition in JavaScript?
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answered Aug 29 '13 at 20:20
BergiBergi
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Pass column name in data.table using variable [duplicate]
...list(x, v))
DT[ , eval(temp)]
# x v
# 1: b 1.52566586
# 2: b 0.66057253
# 3: b -1.29654641
# 4: a -1.71998260
# 5: a 0.03159933
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PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...;
$instance = $instance->selectCollection('test', 'test');
for ($i = 0; $i < 10; $i++) {
$instance->insert(array(
'group_id' => rand(1, 5),
'count' => rand(1, 5),
));
}
?>
下面让我们使用group操作，根据group_id分组，汇总计算count：
<?ph...
jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...irrors.163.com/centos/6.7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm
wget http://mirrors.163.com/centos/6.7/os/x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpm
3.进行安装yum
rpm -ivh python*
rpm -ivh yum*
注意最后两个包必需同时安装，否...
What is the meaning of prepended double colon “::”?
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This ensures that resolution occurs from the global namespace, instead of starting at the names...
What is Ember RunLoop and how does it work?
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Update 10/9/2013: Check out this interactive visualization of the run loop: https://machty.s3.amazonaws.com/ember-run-loop-visual/index.html
Update 5/9/2013: all the basic concepts below are still up to date, but as of this commit, ...