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Python multiprocessing PicklingError: Can't pickle
...vel of a module.
This piece of code:
import multiprocessing as mp
class Foo():
@staticmethod
def work(self):
pass
if __name__ == '__main__':
pool = mp.Pool()
foo = Foo()
pool.apply_async(foo.work)
pool.close()
pool.join()
yields an error almost identical ...
Git search for string in a single file's history
So if I have a file called foo.rb and it is giving me an error for a missing method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past.
...
How do I check whether a jQuery element is in the DOM?
...
Like this:
if (!jQuery.contains(document, $foo[0])) {
//Element is detached
}
This will still work if one of the element's parents was removed (in which case the element itself will still have a parent).
...
Commenting in a Bash script inside a multiline command
... works fine. So too does cat file1 && # comment<newline>echo foo. So comments can be included after | or && or ||, but not after `\` or in the middle of a command.
– dubiousjim
Jan 12 '13 at 22:53
...
How to overload functions in javascript?
...e of the most common simple techniques involves a simple switch:
function foo(a, b) {
switch (arguments.length) {
case 0:
//do basic code
break;
case 1:
//do code with `a`
break;
case 2:
default:
//do code with `a` & `b`
break;...
How to perform Callbacks in Objective-C
...ust meant, in you're .m file. You'd have a separate class, let's call it "Foo". Foo would have a "MyClass *myClass" variable, and at some point Foo would say "[myClass setDelegate:self]". At any point after that, if anyone including foo invoked the doSomethingMethod on that instance of MyClass, foo...
What does the Subversion status symbol “~” mean?
...ails when it can't write the .svn directory. Here's the easy solution.
mv foo foo-bak
svn up foo
svn revert foo
# just for good measure. Foo should not show up in the two following commands.
ls | grep foo
svn st | grep foo
mv foo-bak foo
svn add foo
...
Difference between git pull and git pull --rebase
... something like this (we'll use a remote called origin and a branch called foo in all these examples):
# assume current checked out branch is "foo"
git fetch origin
git merge origin/foo
At first glance, you might think that a git pull --rebase does just this:
git fetch origin
git rebase origin/foo
...
How can I get Express to output nicely formatted HTML?
...var jade_string = [
"!!! 5",
"html",
" body",
" #foo I am a foo div!"
].join("\n");
var fn = jade.compile(jade_string, { pretty: true });
console.log( fn() );
...gets you this:
<!DOCTYPE html>
<html>
<body>
<div id="foo">I am a foo div!
...
Converting an integer to a string in PHP
...
$foo = 5;
$foo = $foo . "";
Now $foo is a string.
But, you may want to get used to casting. As casting is the proper way to accomplish something of that sort:
$foo = 5;
$foo = (string)$foo;
Another way is to encapsulate...