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Keyboard Interrupts with python's multiprocessing Pool
...lmost certainly interrupt a condition wait.
Note that this doesn't happen if a timeout is specified; cond.wait(1) will receive the interrupt immediately. So, a workaround is to specify a timeout. To do that, replace
results = pool.map(slowly_square, range(40))
with
results = pool.map_...
How to install multiple python packages at once using pip
...oing it but i didn't find it neither here nor on google.
So i was curious if there is a way to install multiple packages using pip.
Something like:
...
Get Slightly Lighter and Darker Color from UIColor
...(UIColor *)lighterColorForColor:(UIColor *)c
{
CGFloat r, g, b, a;
if ([c getRed:&r green:&g blue:&b alpha:&a])
return [UIColor colorWithRed:MIN(r + 0.2, 1.0)
green:MIN(g + 0.2, 1.0)
blue:MIN(b + 0.2, 1.0)...
“continue” in cursor.forEach()
...tions in the beginning of each forEach iteration and then skip the element if I don't have to do the operation on it so I can save some time.
...
Hash function that produces short hashes?
...mospunk: encoding with base64 does nothing for collision resistance, since if hash(a) collides with hash(b) then base64(hash(a)) also collides with base64(hash(b)).
– Greg Hewgill
Nov 12 '13 at 18:37
...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...NT uFlags // window-positioning flags
);
参数解释:
hWnd
Identifies the window. 窗口句柄
hWndInsertAfter 窗口叠层位置
Identifies the window to precede the positioned window in the Z order. This parameter must be a window handle or one of the following values:
Value Meanin...
Rails :dependent => :destroy VS :dependent => :delete_all
...
The difference is with the callback.
The :delete_all is made directly in your application and deletes by SQL :
DELETE * FROM users where compagny_id = XXXX
With the :destroy, there is an instantiation of all of your children. ...
Adding a directory to $LOAD_PATH (Ruby)
...
I would say go with $:.unshift File.dirname(__FILE__) over the other one, simply because I've seen much more usage of it in code than the $LOAD_PATH one, and it's shorter too!
...
How to validate date with format “mm/dd/yyyy” in JavaScript?
...
function isValidDate(dateString)
{
// First check for the pattern
if(!/^\d{1,2}\/\d{1,2}\/\d{4}$/.test(dateString))
return false;
// Parse the date parts to integers
var parts = dateString.split("/");
var day = parseInt(parts[1], 10);
var month = parseInt(parts[0], ...
Git branching strategy integated with testing/QA process
...op branch on feature we normally don't expect too many conflicts. However, if that's the case the developer can help. This is a tricky step, I think the best way to avoid it is to keep features as small/specific as possible. Different features have to be eventually merged, one way or another. Of cou...