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Concatenate two slices in Go
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Add dots after the second slice:
//---------------------------vvv
append([]int{1,2}, []int{3,4}...)
This is just like any other variadic function.
func foo(is ...int) {
for i := 0; i < len(is); i++ {
fmt.Println(is...
How do I temporarily disable triggers in PostgreSQL?
I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis.
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Why do assignment statements return a value?
...Your understanding is 100% incorrect. Can you explain why you believe this false thing?
What is the reasoning behind allowing assignment statements to return a value?
First off, assignment statements do not produce a value. Assignment expressions produce a value. An assignment expression is a ...
AttributeError(“'str' object has no attribute 'read'”)
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The problem is that for json.load you should pass a file like object with a read function defined. So either you use json.load(response) or json.loads(response.read()).
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mongodb/mongoose findMany - find all documents with IDs listed in array
I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ?
5 Answers
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select and update database record with a single queryset
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Use the queryset object update method:
MyModel.objects.filter(pk=some_value).update(field1='some value')
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What's the best way to trim std::string?
I'm currently using the following code to right-trim all the std::strings in my programs:
46 Answers
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Moving from CVS to Git: $Id$ equivalent?
I read through a bunch of questions asking about simple source code control tools and Git seemed like 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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JavaScript string encryption and decryption?
I'm interested in building a small app for personal use that will encrypt and decrypt information on the client side using JavaScript. The encrypted information will be stored in a database on a server, but never the decrypted version.
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How to determine when a Git branch was created?
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Use
git show --summary `git merge-base foo master`
If you’d rather see it in context using gitk, then use
gitk --all --select-commit=`git merge-base foo master`
(where foo is the name of the branch you are looking for.)
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