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Add Keypair to existing EC2 instance
...$ cat john.pub > .ssh/authorized_keys
[john@ip-11-111-111-111 ~]$ chmod 600 .ssh/authorized_keys
[john@ip-11-111-111-111 ~]$ sudo chown john:ubuntu .ssh
In the above step, john is the user we created and ubuntu is the default user group.
[john@ip-11-111-111-111 ~]$ sudo chown john:ubuntu .ssh/...
How to get all Errors from ASP.Net MVC modelState?
...able>
<style>
table.model-state
{
border-color: #600;
border-width: 0 0 1px 1px;
border-style: solid;
border-collapse: collapse;
font-size: .8em;
font-family: arial;
}
table.model-state td
{
border-color: #600;
...
Zoom in on a point (using scale and translate)
...lementById("canvas");
var context = canvas.getContext("2d");
var width = 600;
var height = 200;
var scale = 1;
var originx = 0;
var originy = 0;
var visibleWidth = width;
var visibleHeight = height;
function draw(){
// Clear screen to white.
context.fillStyle = "white";
...
30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...鼓捣了一个小时，终于把管子修好了，他递给程序员一张600元的帐单。
“600元!”程序员愤怒地说：“我当程序员一天都赚不了这么多钱!”
“是啊。”水管工平静地说，“我当程序员的时候也是。”
20.代码
文艺程序员写代...
Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
...1,000 /[^a-zA-Z0-9]+/g 96,965.80 96,965,800 51,864.60 51,864,600
------------------------------------------------------------------------
200 /[\W_]+/g 480,318.60 96,063,720 261,030.40 52,206,080
200 /[^a-z0-9]+/gi 476,177.80 95,235,560 261,751.60 ...
Detecting when user scrolls to bottom of div with jQuery
...
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How can I scale the content of an iframe?
...era and Safari if you change the CSS to:
<style>
#wrap { width: 600px; height: 390px; padding: 0; overflow: hidden; }
#frame { width: 800px; height: 520px; border: 1px solid black; }
#frame {
-ms-zoom: 0.75;
-moz-transform: scale(0.75);
-moz-transform-origi...
Hide text using css
... /* be sure to set height & width */
width: 600px;
white-space: nowrap; /* because only the first line is indented */
}
h1 a {
outline: none; /* prevents dotted line when link is active */
}
Here is another way to hide the text while avoiding the...
Export query result to .csv file in SQL Server 2008
...nvoke-Sqlcmd -ServerInstance MySQLserver123 -Query $QueryFmt -querytimeout 600 | Export-CSV $AttachmentPath
– Tilo
Apr 6 '17 at 16:44
1
...
VR硬件行业洗牌进行时 70%创业公司倒闭转行做内容 - 资讯 - 清泛网 - 专注C...
...的主要原因之一。扎克伯格曾表示，对主流消费者来说，600美元的虚拟现实头盔OculusRift定价过高。实际上，Oculus的成本实际上远不止600美元，因为头显设备通常需强大的PC支持，所以买了VR头显设备后，还得为此买个电脑。
对...