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How do I make a transparent border with CSS?
...(255,255,255,.5);
}
Demo
Here, you can change the opacity of the border from 0-1
If you simply want a complete transparent border, the best thing to use is transparent, like border: 1px solid transparent;
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PHP: Storing 'objects' inside the $_SESSION
... whole cloth based on data stashed in hidden form fields, or re-query them from the DB each time, you are using state. HTTP is stateless (more or less; but see GET vs. PUT) but almost everything anybody cares to do with a web app requires state to be maintained somewhere. Acting as if pushing the ...
Logical Operators, || or OR?
...ect normally.
See also: Logical operators (the following example is taken from there):
// The result of the expression (false || true) is assigned to $e
// Acts like: ($e = (false || true))
$e = false || true;
// The constant false is assigned to $f and then true is ignored
// Acts like: (($f = f...
Python's most efficient way to choose longest string in list?
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From the Python documentation itself, you can use max:
>>> mylist = ['123','123456','1234']
>>> print max(mylist, key=len)
123456
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What does !important mean in CSS?
...ens. And the neighbourhood.
It also makes debugging your CSS a nightmare (from personal, empirical, experience).
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Insert Update stored proc on SQL Server
...optimal way to do it and it's called upsert/merge.
Importance of UPSERT - from sqlservercentral.com:
For every update in the case mentioned above we are removing one
additional read from the table if we
use the UPSERT instead of EXISTS.
Unfortunately for an Insert, both the
UPSERT and ...
When should I use a trailing slash in my URL?
...sonal opinion trailing slashes are misused.
Basically the URL format came from the same UNIX format of files and folders, later on, on DOS systems, and finally, adapted for the web.
A typical URL for this book on a Unix-like operating system would be a file path such as file:///home/username/Ro...
Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...stored in read-only memory when the program is run. This is to prevent you from accidentally changing a string constant. In your first example, "string" is stored in read-only memory and *str points to the first character. The segfault happens when you try to change the first character to 'z'.
In t...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
... to not have accessors prefixed with get. Idiomatic Java code is different from idiomatic Scala code. Sometimes the is prefix used for booleans. davetron5000.github.com/scala-style/naming_conventions/methods/…
– Esko Luontola
Jun 1 '10 at 20:40
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Scalar vs. primitive data type - are they the same thing?
... I was taught (a very long time ago in school) that the term was derived from 'scalar processor' in contrast to a 'vector processor'. A scalar processor is a CPU that can only handle one piece of data at a time. These processors were/are named after the arithmetic terms. Interestingly enough, when...