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Javascript: formatting a rounded number to N decimals
...9999998.toFixed(4) correctly returns 1.0245.
– Matt Ball
Mar 13 '12 at 14:40
3
@MarkTomlin: Then ...
How to check if hex color is “too black”?
...
You have to extract the three RGB components individually, and then use a standard formula to convert the resulting RGB values into their perceived brightness.
Assuming a six character colour:
var c = c.substring(1); // strip #
var rgb = parseInt(c, 16); // convert rrg...
How to make button look like a link?
...
If you don't want all buttons to be styled as links, scope the style with something like button.link {...styles...} then <button class="link">Your button</button>. This also avoids using !important which is always a good idea.
...
How to make a DIV not wrap?
...d maintain block characteristics.*/
vertical-align: top; /*Makes sure all the divs are correctly aligned.*/
white-space: normal; /*Prevents child elements from inheriting nowrap.*/
width: 100px;
height: 100px;
background-color: red;
margin: 5px;
}
<div class=...
How do I get an ISO 8601 date on iOS?
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Use NSDateFormatter:
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
NSLocale *enUSPOSIXLocale = [NSLocale localeWithLocaleIdentifier:@"en_US_POSIX"];
[dateFormatter setLocale:enUSPOSIXLocale];
[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ssZZZZZ"];
[dateFormatter setCale...
How do you diff a directory for only files of a specific type?
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So it looks like -x only accepts one pattern as you report but if you put all the patterns you want to exclude in a file (presumably one per line) you could use the second flag like so:
$ diff /destination/dir/1 /destination/dir/2 -r -X exclude.pats
where exclude.pats is:
*.jpg
*.JPG
*.xml
*.XM...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
转：postfix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.extmail....
原文地址：http://bbs.chinaunix.net/viewthread.php?tid=770141
执照wangmingda老大...
Editing Javascript using Chrome Developer Tools
... and found the solution.
If you have the file prettified, Chrome will not allow edits. I turned it off and was able to edit. Willing to bet this is/was your problem.
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Meaning
...Integrated Pipeline" for an example of enabling ASP.NET modules to run for all content.
You can also use a shortcut to enable all managed (ASP.NET) modules to run for all requests in your application, regardless of the "managedHandler" precondition.
To enable all managed modules to run for all reque...
JavaScript equivalent to printf/String.Format
...low for details.
Otherwise:
Try sprintf() for JavaScript.
If you really want to do a simple format method on your own, don’t do the replacements successively but do them simultaneously.
Because most of the other proposals that are mentioned fail when a replace string of previous replaceme...