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multiprocessing.Pool: When to use apply, apply_async or map?
...rast to Pool.apply, the Pool.apply_async method also has a callback which, if supplied, is called when the function is complete. This can be used instead of calling get().
For example:
import multiprocessing as mp
import time
def foo_pool(x):
time.sleep(2)
return x*x
result_list = []
def...
How do you round to 1 decimal place in Javascript?
...12.3456789
var rounded = Math.round(number * 10) / 10
// rounded is 12.3
if you want it to have one decimal place, even when that would be a 0, then add...
var fixed = rounded.toFixed(1)
// fixed is always to 1 d.p.
// NOTE: .toFixed() returns a string!
// To convert back to number format
parseF...
How can I expand the full path of the current file to pass to a command in Vim?
...
@keflavich :help filename-modifiers
– Annika Backstrom
Jan 25 '12 at 3:38
...
Arduino 101 实验03 - 读一个按钮，数据从板子推到手机 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
Bootstrap with jQuery Validation Plugin
...
I don't know why the code is not working on my form :(
– Alyssa Reyes
Apr 9 '14 at 14:44
...
What do (lambda) function closures capture?
...ocation, but it points to something else. the same thing happens in Scheme if you set!. see here for what dynamic scope really is: voidspace.org.uk/python/articles/code_blocks.shtml .
– Claudiu
Jun 29 '10 at 15:21
...
What is the easiest way to parse an INI file in Java?
...
doesn't work, error says "IniFile cannot be resolved to a type"
– Caballero
May 3 '13 at 15:16
...
How to publish a website made by Node.js to Github Pages?
I made a website using Node.js as the server. As I know, the node.js file should start working by typing commands in terminal, so I'm not sure if Github Pages supports node.js-hosting. So what should I do?
...
How do I find a “gap” in running counter with SQL?
...rt into artificial_range( name ) select name from artificial_range;
-- you now have two rows
insert into artificial_range( name ) select name from artificial_range;
-- you now have four rows
insert into artificial_range( name ) select name from artificial_range;
-- you now have eight rows
--etc.
...
Reloading the page gives wrong GET request with AngularJS HTML5 mode
... visit the page (/about), e.g. after a refresh, the browser has no way of knowing that this isn't a real URL, so it goes ahead and loads it. However if you have loaded up the root page first, and all the javascript code, then when you navigate to /about Angular can get in there before the browser tr...