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CSS center text (horizontally and vertically) inside a div block
I have a div set to display:block ( 90px height and width ), and I have some text inside.
27 Answers
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Is there a 'foreach' function in Python 3?
...
Every occurence of "foreach" I've seen (PHP, C#, ...) does basically the same as pythons "for" statement.
These are more or less equivalent:
// PHP:
foreach ($array as $val) {
print($val);
}
// C#
foreach (String val in array) {
console.writeline(val);
}...
Is there a way to iterate over a dictionary?
...thenius due to recent optimizations, fast enumeration is again faster than block-based, at least in certain cases. But if the problem you are solving allows you to use the concurrent option, the block-based approach may be faster.
– Zev Eisenberg
May 12 '14 at ...
Why are local variables not initialized in Java?
...acquired the resource that the finally section finalizes.
The try-finally block after the so initialization is there only to protect the SomeObject instance, to make sure it gets cleaned up no matter what else happens. If there are other things that need to run, but they aren't related to whether t...
Is it good style to explicitly return in Ruby?
...ne more word. I'd prefer to see return at least in functions (maybe not in blocks) so as to express what the code actually does. Sometimes you have to return mid-function - don't leave out the last return keyword on the last line just because you can. I don't favor verbosity at all, but I favor cons...
How should one use std::optional?
...n error. For example, you need to read data from a socket, and when a data block is complete, you parse it and return it:
class YourBlock { /* block header, format, whatever else */ };
std::optional<YourBlock> cache_and_get_block(
some_socket_object& socket);
If the appended data c...
How to allow to accept only image files?
...ttp://www.w3schools.com/tags/att_input_accept.asp
http://www.w3schools.com/php/php_file_upload.asp
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How to get these two divs side-by-side?
...eak when the user resizes the window. In modern browsers, display: inline-block is usually the best option.
– John Henckel
Dec 1 '16 at 19:42
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Virtual Memory Usage from Java under Linux, too much memory used
... the segment. This last item is either a file or "anon", which indicates a block of memory allocated via mmap.
Starting from the top, we have
The JVM loader (ie, the program that gets run when you type java). This is very small; all it does is load in the shared libraries where the real JVM code ...
Why is “except: pass” a bad programming practice?
...pared to recover from and only catch those.
Try to avoid passing in except blocks. Unless explicitly desired, this is usually not a good sign.
But let’s go into detail:
Don’t catch any error
When using a try block, you usually do this because you know that there is a chance of an exception b...