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Python multiprocessing PicklingError: Can't pickle
... return x+1
...
>>> f = Foo()
>>> p.apipe(f.work, f, 100)
<processing.pool.ApplyResult object at 0x10504f8d0>
>>> res = _
>>> res.get()
101
Get pathos (and if you like, dill) here:
https://github.com/uqfoundation
...
How to convert image to byte array
...t in arrays of 2 different sizes. This would normally happen after about 100 iterations, But when I obtain the bitmap using new Bitmap(SourceFileName); and then run it through that code it works fine.
– Don
Jan 25 '16 at 1:10
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Scala list concatenation, ::: vs ++
...ntTimeMillis - t}
scala>def average(a: () => Long) = (for(i<-1 to 100) yield a()).sum/100
scala>average (() => time { (List[Int]() /: (1 to 1000)) { case (l, e) => l ++ List(e) } })
res1: Long = 46
scala>average (() => time { (List[Int]() /: (1 to 1000)) { case (l, e) => ...
Combine two ActiveRecord::Relation objects
....pluck(:id)
@transactions = Transaction.where(id: transaction_ids).limit(100)
share
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Weighted random numbers
... // Demonstrate with N randomly generated numbers
const unsigned N = 1000000;
// Collect number of times each random number is generated
double avg[std::extent<decltype(weights)>::value] = {0};
for (unsigned i = 0; i < N; ++i)
{
// Generate random number using ...
How to get line count of a large file cheaply in Python?
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I am working with 100Gb+ files, and your rawgencounts is the only feasible solution I have seen so far. Thanks!
– soungalo
Nov 10 '15 at 11:47
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How do I find the next commit in git? (child/children of ref)
...man-readable, which can fail with @TomHale's error, and gives results like v1.0.4-14-g2414721 that are confusing if you expected a SHA. Replacing it with a simple echo makes this an excellent tool, thanks!
– Nickolay
May 16 '18 at 13:15
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How to apply two CSS classes to a single element
...are in
effect.
.color
{background-color:#21B286;}
.box
{
width:"100%";
height:"100px";
font-size: 16px;
text-align:center;
line-height:1.19em;
}
.box.color
{
width:"100%";
height:"100px";
font-size:16px;
color:#000000;
text-align:center;
}
<div class="box color"&g...
How to make a div 100% height of the browser window
...ke use of vh: 1vh is equal to 1% of the viewport's height. That is to say, 100vh is equal to the height of the browser window, regardless of where the element is situated in the DOM tree:
HTML
<div></div>
CSS
div {
height: 100vh;
}
This is literally all that's needed. Here is ...
How do I programmatically determine if there are uncommitted changes?
...iet HEAD --
A more precise option would be to test git status --porcelain=v1 2>/dev/null | wc -l, using the porcelain option.
See Myridium's answer.
(nornagon mentions in the comments that, if there are files that have been touched, but whose contents are the same as in the index, you'll need to...