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Using :after to clear floating elements
...ports just the (:) syntax, but IE 8 only supports the single-colon, so for now, it's recommended to just use the single-colon for best browser support. :: is the newer format indented to distinguish pseudo content from pseudo selectors. If you don't need IE 8 support, feel free to use the double-co...
How to align texts inside of an input?
...affecting every single input box.
.text-right{
text-align: right;
}
Now you can use this class exactly the same as the inputs above with class="text-right". I know it isn't saving that many key strokes but it makes your code cleaner.
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Automatically update version number
...tag that gets expanded when the file is checked in". Specifically, do you know for subversiion?
– Greg B
Jun 30 '09 at 18:10
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favicon.png vs favicon.ico - why should I use PNG instead of ICO?
...iple resolutions including full alpha channel. By the way, 1-bit alpha is known as "transparency". The only real limit ICO has had was with icons larger or equal to 256 in length (any direction), though it's been overcome several times.
– Christian
Nov 2 '10 at...
Row count with PDO
...g an extra database query. I assume he has already done a select query and now wants to know how many rows were returned.
– nickf
May 19 '09 at 15:17
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Python's equivalent of && (logical-and) in an if-statement
... || and ! are not valid Python operators.
Some of the operators you may know from other languages have a different name in Python.
The logical operators && and || are actually called and and or.
Likewise the logical negation operator ! is called not.
So you could just write:
if len(a) % ...
Resolve absolute path from relative path and/or file name
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Very concise. I'm using this techinique now, widely.
– Paulo França Lacerda
Oct 8 '18 at 2:51
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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To get a position of an element in a vector knowing an iterator pointing to the element, simply subtract v.begin() from the iterator:
ptrdiff_t pos = find(Names.begin(), Names.end(), old_name_) - Names.begin();
Now you need to check pos against Names.size() to see if...
Creating an abstract class in Objective-C
I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible?
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How to send file contents as body entity using cURL
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now how would one add login credentials to authorize this request?
– anon58192932
Jul 20 '17 at 21:14
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