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How to center a “position: absolute” element
...may use:
position: absolute;
margin-left: auto;
margin-right: auto;
left: 0;
right: 0;
text-align: center;
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CSS last-child selector: select last-element of specific class, not last child inside of parent?
...f .comment.
body {
background: black;
}
.comment {
width: 470px;
border-bottom: 1px dotted #f0f0f0;
margin-bottom: 10px;
}
.comment:last-of-type {
border-bottom: none;
margin-bottom: 0;
}
<div class="commentList">
<article class="comment " id="com21">&...
Less aggressive compilation with CSS3 calc
The Less compilers that I'm using ( OrangeBits and dotless 1.3.0.5 ) are aggressively translating
4 Answers
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Join strings with a delimiter only if strings are not null or empty
...ple:
[...].filter(x => typeof x === 'string' && x.length > 0)
will only keep non-empty strings in the list.
--
(obsolete jquery answer)
var address = "foo";
var city;
var state = "bar";
var zip;
text = $.grep([address, city, state, zip], Boolean).join(", "); // foo, bar
...
cannot find zip-align when publishing app
...f Android SDK Tools (23 which was released today) and SDK Platform-tools (20 which was also released today). I got an APK out of it, but if I tried to upload it to Google Play I got an error complaining that it is not zip aligned.
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How do I apply a perspective transform to a UIView?
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330
As Ben said, you'll need to work with the UIView's layer, using a CATransform3D to perform the l...
Flatten nested dictionaries, compressing keys
...t(items)
>>> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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What does %~d0 mean in a Windows batch file?
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The magic variables %n contains the arguments used to invoke the file: %0 is the path to the bat-file itself, %1 is the first argument after, %2 is the second and so on.
Since the arguments are often file paths, there is some additional syntax to extract parts of the path. ~d is drive, ~p is the...
Find the host name and port using PSQL commands
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60
The default PostgreSQL port is 5432. The host that the database is operating on should have bee...
Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
...
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