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Margin on child element moves parent element
...rent { overflow: hidden; }
This prevents the margins to collapse. Border and padding do the same.
Hence, you can also use the following to prevent a top-margin collapse:
.parent {
padding-top: 1px;
margin-top: -1px;
}
Update by popular request:
The whole point of collapsing margins is...
Counting the Number of keywords in a dictionary in python
...t)
If you like to count unique words in the file, you could just use set and do like
len(set(open(yourdictfile).read().split()))
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Read only the first line of a file?
...ile again when the block ends.
The with statement only works in Python 2.5 and up, and in Python 2.5 you need to use from __future__ import with_statement
In Python 3 you should specify the file encoding for the file you open. Read more...
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Ruby function to remove all white spaces?
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If you want to remove only leading and trailing whitespace (like PHP's trim) you can use .strip, but if you want to remove all whitespace, you can use .gsub(/\s+/, "") instead .
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Detect rotation of Android phone in the browser with JavaScript
I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle.
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How can I assign the output of a function to a variable using bash?
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That's not 100% right. Command substitution always strips trailing newlines.
– TheBonsai
Nov 28 '09 at 17:36
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HtmlString vs. MvcHtmlString
...tmlString was a compatibility shim added to MVC 2 to support both .NET 3.5 and .NET 4. Now that MVC 3 is .NET 4 only, it's a fairly trivial subclass of HtmlString presumably for MVC 2->3 for source compatibility.
If you're ever going to drop back to MVC 2 it might make sense to use IHtmlString o...
How to “grep” for a filename instead of the contents of a file?
... I want to write a regular expression that will match the filename itself (and not the contents of the file). I will run this from the system's root directory, to find all those files that match the regular expression.
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JavaScript query string [closed]
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The method provided by CMS is easier and cleaner. Esp. if you are not already using jquery.
– jcoffland
Sep 5 '12 at 0:09
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Difference between if () { } and if () : endif;
...They are the same but the second one is great if you have MVC in your code and don't want to have a lot of echos in your code. For example, in my .phtml files (Zend Framework) I will write something like this:
<?php if($this->value): ?>
Hello
<?php elseif($this->asd): ?>
Your name...