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How to discover number of *logical* cores on Mac OS X?
...command line, how many cores are on the machine when you're running Mac OS X? On Linux, I use:
14 Answers
...
Is there a Python caching library?
...far. I need a simple dict -like interface where I can set keys and their expiration and get them back cached. Sort of something like:
...
iPhone app in landscape mode, 2008 systems
...r is now hugely out of date/
This answer is only a historical curiosity.
Exciting news! As discovered by Andrew below, this problem has been fixed by Apple in 4.0+.
It would appear it is NO longer necessary to force the size of the view on every view, and the specific serious problem of landscape "...
What's the difference between eval, exec, and compile?
...on code, and come across the eval() and compile() functions, and the exec statement.
3 Answers
...
Returning a value from thread?
...ill hold the return value from the thread and then capture it in a lambda expression. Assign the "return" value to this variable from the worker thread and then once that thread ends you can use it from the parent thread.
void Main()
{
object value = null; // Used to store the return value
var ...
MySQL get row position in ORDER BY
...
Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
t.name,
@rownum := @rownum + 1 AS position
FROM TABLE t
JOIN (SELECT @rownum := 0) r
ORDER BY t.name) x
WHE...
How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
How can I verify my XPath?
6 Answers
6
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How do I raise the same Exception with a custom message in Python?
...e: For Python 3, check Ben's answer
To attach a message to the current exception and re-raise it:
(the outer try/except is just to show the effect)
For python 2.x where x>=6:
try:
try:
raise ValueError # something bad...
except ValueError as err:
err.message=err.message+...
How to define a two-dimensional array?
...
You're technically trying to index an uninitialized array. You have to first initialize the outer list with lists before adding items; Python calls this
"list comprehension".
# Creates a list containing 5 lists, each of 8 items, all set to 0
w, h = 8, 5;
Ma...
Visualizing branch topology in Git
...aphy, something like these ASCII maps that seem to be used everywhere for explaining branches?
29 Answers
...