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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...会讲到。
在移动端浏览器中以及某些桌面浏览器中，window对象有一个devicePixelRatio属性，它的官方的定义为：设备物理像素和设备独立像素的比例，也就是 devicePixelRatio = 物理像素 / 独立像素。css中的px就可以看做是设备的独...
Return a value if no rows are found in Microsoft tSQL
...LL is not available in SQL Lite or whatever it's called that runs on older Windows Mobile devices. COALESCE works on both, lite, Express and full-blown SQL.
– Ads
Sep 3 '14 at 2:17
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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
...maven codebases
Alternatively you can use (Alt + F5) to bring up the same window
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CSS file not opening in Visual Studio 2010 SP1?
...bly it can happen after installing the Visual Studio LightSwitch beta
OR
Windows Azure tools installed
OR
SQL Server 2012 installed
Download this and install it if already installed then repair it and it'll fix the issue:
http://visualstudiogallery.msdn.microsoft.com/a15c3ce9-f58f-42b7-8668-53...
Continuous Integration for Ruby on Rails? [closed]
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I've had trouble getting this to run on windows... didn't work as advertised in the 'it can't be that easy' video on the site for me.
– Gishu
Oct 21 '08 at 4:35
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org.xml.sax.SAXParseException: Content is not allowed in prolog
...ts, but the "#" brings problem to XML parser... Java itself, as well as M$ Windows, has no problem with this folder name.... Very bad exception message behavior ....
– Alex
Jan 22 '18 at 15:38
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Display name of the current file in vim?
...
:set title to display file name in window title bar.
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...going command until the process is finished so open another shell/terminal window, log in without a password:
$ mysql -u root
mysql> UPDATE mysql.user SET Password=PASSWORD('password') WHERE User='root';
As per @IberoMedia's comment, for newer versions of MySQL, the field is called authentica...
Call An Asynchronous Javascript Function Synchronously
...back sets the received data to a global var
function callBack(d) {
window.data = d;
}
// start the async
myAsynchronousCall(param1, callBack);
}
// start the function
doSomething();
// make sure the global is clear
window.data = null
// start polling at an interval until ...
Set up Heroku and GoDaddy? [closed]
...ample.com to www.example.com. This is super easy on GoDaddy:
In the same window as above, click on the 'Settings' tab
Under Forwarding -> Domain -> Click 'Manage' -> then click 'Add Forwarding'
'Forward to' should be www.example.com (your domain), 'Redirect type' should be '301
(Permanent...