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How can I count the occurrences of a list item?
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If you only want one item's count, use the count method:
>>> [1, 2, 3, 4, 1, 4, 1].count(1)
3
Don't use this if you want to count multiple items. Calling count in a loop requires a separate pass over the list for every count call,...
Composer: how can I install another dependency without updating old ones?
I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
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Viewing unpushed Git commits
...o much so I did git config --global alias.ahead "log origin/master..HEAD --oneline" so that I can quickly find out where I am. Even more candy: for i in *; do echo $i && git ahead 2>/dev/null; done
– Jamie
Feb 28 '12 at 2:50
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What are .NET Assemblies?
...an be executed by the .NET runtime environment. A .NET program consists of one or more assemblies.
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select and update database record with a single queryset
...statements on the same queryset rather than having to do two queries:
- one to select the object
- and one to update the object
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Ignore mapping one property with Automapper
...oo, Bar>().ForMember(x => x.Blarg, opt => opt.Ignore());
It's in one of the comments at his blog.
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Set custom HTML5 required field validation message
I have one form with many input fields. I have put html5 validations
11 Answers
11
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Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
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// JS by default uses a crappy string compare.
// (we use slice to clone the array so the
// original array won't be modified)
let results = [];
for (let i = 0; i < sorted_arr.length - 1; i++) {
if (sorted_arr[i + 1] == sorted_arr[i]) {
results.push(sorted_arr[i]);
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Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...d Local Default, in which case the dependency can be regarded as optional. One way to deal with optional dependencies is to use Property Injection instead of Constructor Injection - in fact, this is sort of the poster scenario for Property Injection.
However, the real danger of Bastard Injection is...
Moving from CVS to Git: $Id$ equivalent?
...e a reasonable choice. I have it up and running, and it works well so far. One aspect that I like about CVS is the automatic incrementation of a version number.
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