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Is there a ceiling equivalent of // operator in Python?
I found out about the // operator in Python which in Python 3 does division with floor.
7 Answers
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How do I syntax check a Bash script without running it?
... the manpage states, bash interprets all single-character options that set does.
– ephemient
Oct 5 '08 at 20:55
24
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Callback after all asynchronous forEach callbacks are completed
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Array.forEach does not provide this nicety (oh if it would) but there are several ways to accomplish what you want:
Using a simple counter
function callback () { console.log('all done'); }
var itemsProcessed = 0;
[1, 2, 3].forEach((ite...
Laravel Migration Change to Make a Column Nullable
...;
Source: http://laravel.com/docs/5.0/schema#changing-columns
Laravel 4 does not support modifying columns, so you'll need use another technique such as writing a raw SQL command. For example:
// getting Laravel App Instance
$app = app();
// getting laravel main version
$laravelVer = explode('....
What does “./bin/www” do in Express 4.x?
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Why is it called bin? It doesn't contain binaries . . .
– Kinnard Hockenhull
Jul 30 '17 at 18:10
add a comment
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Can I store images in MySQL [duplicate]
...MySQL. (I don't want to save the thumbs as physical files on the drive.)
Does MySQL allow saving and retrieving image data and how do I go about it? If it doesn't support image data, is there any free database that does? I will be happy if a link can be provided.
Thanks.
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What is the best algorithm for overriding GetHashCode?
...number of field values. Comments on this answer suggest that the code here doesn't actually work as well (in the sample case tested) as the addition approach above.
// Note: Not quite FNV!
public override int GetHashCode()
{
unchecked // Overflow is fine, just wrap
{
int hash = (int...
What's the difference between event.stopPropagation and event.preventDefault?
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So they're very different? Does IE have two different event methods for that too? (Might they be the same??) It's weird that frameworks do both in their event.stop function... Also weird I've never had trouble with that. I use bubbling a lot. Thanks fo...
Best way to generate random file names in Python
... prepend to a file(name) that I'm saving to a server, just to make sure it does not overwrite. Thank you!
11 Answers
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How to show a GUI message box from a bash script in linux?
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Doesn't work on Raspbian GNU/Linux 7. Is there a package that needs to be installed ?
– carl verbiest
Jun 6 '15 at 6:26
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