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Django filter queryset __in for *every* item in list
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Summary:
One option is, as suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and...
TypeScript sorting an array
..., b) {
var ax = [], bx = [];
a.replace(/(\d+)|(\D+)/g, function (_, $1, $2) { ax.push([$1 || Infinity, $2 || ""]) });
b.replace(/(\d+)|(\D+)/g, function (_, $1, $2) { bx.push([$1 || Infinity, $2 || ""]) });
while (ax.length && bx.length) {
var an = ax.shift();
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
... can be used to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not initialized.
From PHP documentation:
No warning is generated if the variable does not exist. T...
SASS - use variables across multiple files
I would like to keep one central .scss file that stores all SASS variable definitions for a project.
6 Answers
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Change branch base
...o be clear which branch to be on.
git rebase --onto master demo PRO
Basically, you take all the commits from after demo up to PRO, and rebase them onto the master commit.
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Normalizing mousewheel speed across browsers
...re welcome.
Edit: One suggestion from @Tom is to simply count each event call as a single move, using the sign of the distance to adjust it. This will not give great results under smooth/accelerated scrolling on OS X, nor handle perfectly cases when the mouse wheel is moved very fast (e.g. wheelDel...
Advantage of switch over if-else statement
... the average case) or simply build a jump-table (works without compares at all).
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nginx showing blank PHP pages
...ginx that's shipped with Centos). I'd love to see the documentation around all of this improve.
– Jorre
Mar 27 '14 at 16:23
1
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What good are SQL Server schemas?
... 2005+. Yes, I know the basic definition of a schema, but what are they really used for in a typical SQL Server deployment?
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Setting HTTP headers
...is now:
func saveHandler(w http.ResponseWriter, r *http.Request) {
// allow cross domain AJAX requests
w.Header().Set("Access-Control-Allow-Origin", "*")
}
Maybe this will help someone as caffeine deprived as myself sometime :)
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