大约有 19,000 项符合查询结果（耗时：0.0386秒） [XML]
How to combine two or more querysets in a Django view?
...tter instead of a lambda. I remember reading about it being faster, but I didn't see a noticeable speed difference for a million item list.
from operator import attrgetter
result_list = sorted(
chain(page_list, article_list, post_list),
key=attrgetter('date_created'))
...
How to change a DIV padding without affecting the width/height ?
I have a div that I want to specify a FIXED width and height for, and also a padding which can be changed without decreasing the original DIV width/height or increasing it, is there a CSS trick for that, or an alternative using padding?
...
handlerbars.js check if list is empty
... you want a tag to wrap #each, like an <ul> tag (with <li>s inside), you don't want the empty state to be wrapped by the <ul>.
– Leonardo Raele
Jul 15 '19 at 20:41
...
onIabPurchaseFinished never called.
...ng to set up in-app billing for my first app, and have been using the android.test.purchased sku. The purchase come through, and I manage to get the SKU into my inventory, but, as the title says, onIabPurchaseFinished, is never called.
...
How to construct a set out of list items in python?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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AngularJS - difference between pristine/dirty and touched/untouched
AngularJS Developer Guide - Forms tell there are many styles and directives regarding forms and fields. For each one, a CSS class:
...
Is there a way to make ellipsize=“marquee” always scroll?
...with is to create a new class derived from TextView.
The class should override three methods onFocusChanged, onWindowFocusChanged and isFocused to make the TextView all focused.
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
if(focused)
...
return query based on date
...e.setSeconds(0);
startDate.setHours(0);
startDate.setMinutes(0);
var dateMidnight = new Date(startDate);
dateMidnight.setHours(23);
dateMidnight.setMinutes(59);
dateMidnight.setSeconds(59);
### MONGO QUERY
var query = {
inserted_at: {
$gt:morning,
$...
How to check whether a file or directory exists?
...plicitly returning an err as a second return value is an extremely common, idiomatic Go technique. See: golang.org/doc/effective_go.html#errors
– Chris Pfohl
Aug 13 '13 at 20:19
1...
Git clone without .git directory
... connection between both commands much clearer.
– davidA
Aug 22 '18 at 21:32
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