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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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how about "%02d" % 9? see http://www.ruby-doc.org/core-2.0/String.html#method-i-25 and http://www.ruby-doc.org/core-2.0/Kernel.html#method-i-sprintf .
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How to redirect a url in NGINX
... rails_env production;
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
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【PM干货】2015年阿里业务型PM笔试题 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...十题）下面那个文件是用户系统间的数据传输：1、UML2、HTML3、XML4、WML458、346、908、739、（）正方体六个面分别是红、...一、客观题（总共十题）
下面那个文件是用户系统间的数据传输：
1、UML 2、HTML 3、XML 4、WML
458...
jQuery if checkbox is checked
...nput" )
.change(function() {
var $input = $( this );
$( "p" ).html( ".attr( 'checked' ): <b>" + $input.attr( "checked" ) + "</b><br>" +
".prop( 'checked' ): <b>" + $input.prop( "checked" ) + "</b><br>" +
".is( ':checked' ): <b>" + ...
How would you make two s overlap?
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I might approach it like so (CSS and HTML):
html,
body {
margin: 0px;
}
#logo {
position: absolute; /* Reposition logo from the natural layout */
left: 75px;
top: 0px;
width: 300px;
height: 200px;
z-index: 2;
}
#content {
margi...
How do I include a newline character in a string in Delphi?
...attform agnostic way would be 'sLineBreak':
http://www.freepascal.org/docs-html/rtl/system/slinebreak.html
Write('Hello' + sLineBreak + 'World!');
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How to log out user from web site using BASIC authentication?
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The W3C is so active on the HTML spec. But the HTTP spec is languishing. W3C should have fixed this problem about two decades ago. With the rise in use of REST services, a robust native authentication method is need of the day.
– D...
How does Access-Control-Allow-Origin header work?
...5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4.0
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8,application/json
Accept-Language en-us;
Accept-Encoding gzip, deflate
Keep-Alive 115
Origin http://DomainA.com
DomainB response headers
Cache-Control private
Cont...
I can not find my.cnf on my windows computer [duplicate]
...LDIR\my.cnf
See also http://dev.mysql.com/doc/refman/5.7/en/option-files.html
Then you can edit the config file and add an entry like this:
[mysqld]
skip-grant-tables
Then restart the MySQL Service and you can log in and do what you need to do. Of course you want to disable that entry in the ...
How to Create Deterministic Guids
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@BradleyGrainger: if you use the HTML version it has a link to the errata from the header, e.g. tools.ietf.org/html/rfc4122. I wonder if there's a browser extension to always redirect to the HTML version...
– porges
Jul...