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How to set timeout on python's socket recv method?
...hen data is actually available. To be safe, we also set the socket to non-blocking mode to guarantee that recv() will never block indefinitely. select() can also be used to wait on more than one socket at a time.
import select
mysocket.setblocking(0)
ready = select.select([mysocket], [], [], ti...
How to tell when UITableView has completed ReloadData?
... completed the layoutSubviews and the cell rendering before the completion block, and sometimes after. I'll post an answer that worked for me below.
– Tyler Sheaffer
Sep 22 '16 at 20:45
...
Why are two different concepts both called “heap”?
...d be that initially the data structure used to organize references to open blocks of memory was a min heap. Seems like it would be at least a decent way of quickly finding the smallest block of memory that would allow you to store the data you were trying to store Update: What I said sounds exactly ...
Scoping in Python 'for' loops
...t answer is that it just keeps the grammar simple, hasn't been a stumbling block for adoption, and many have been happy with not having to disambiguate the scope to which a name belongs when assigning to it within a loop construct. Variables are not declared within a scope, it is implied by the loc...
Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
...I deleted my stupid comment, before I saw your answer. Maybe he comes from PHP where we have !empty($foo) as somewhat an alias for isset($foo) && $foo != "".
– Aufziehvogel
Jul 16 '12 at 20:39
...
Auto increment in phpmyadmin
I have an existing database using PHP, MySQL and phpMyAdmin.
9 Answers
9
...
Variable declared in for-loop is local variable?
...variable declared in a local-variable-declaration
(Section 8.5.1) is the block in which the declaration occurs.
and
The scope of a local variable declared in a for-initializer of a for
statement (Section 8.8.3) is the for-initializer, the for-condition,
the for-iterator, and the containe...
How to set tbody height with overflow scroll
...
if you want tbody to show a scroll , turn it into a block.
To keep behavior of table , turn tr into table.
to spray evenly the cells , use table-layout:fixed;
DEMO
CSS for your HTML test :
table ,tr td{
border:1px solid red
}
tbody {
display:block;
height:...
Accessing @attribute from SimpleXML
...ode. You can then var_dump the return value of the function.
More info at php.net
http://php.net/simplexmlelement.attributes
Example code from that page:
$xml = simplexml_load_string($string);
foreach($xml->foo[0]->attributes() as $a => $b) {
echo $a,'="',$b,"\"\n";
}
...
Multiprocessing - Pipe vs Queue
... If you're subclassing Process, put the bulk of the 'run' method in a try block. That is also a useful way to do logging of exceptions. To replicate the normal exception output: sys.stderr.write(''.join(traceback.format_exception(*(sys.exc_info()))))
– travc
...