大约有 40,000 项符合查询结果（耗时：0.0494秒） [XML]
In an array of objects, fastest way to find the index of an object whose attributes match a search
...like to use higher-order functions such as "map".
Assuming you want search by 'field' attribute:
var elementPos = array.map(function(x) {return x.id; }).indexOf(idYourAreLookingFor);
var objectFound = array[elementPos];
sh...
How to select rows with no matching entry in another table?
... edited Mar 16 '16 at 12:59
Toby Speight
22.1k1313 gold badges5454 silver badges7979 bronze badges
answered Nov 2 '10 at 8:56
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How to get the current taxonomy term ID (not the slug) in WordPress?
...onomy page.
That's how you get all details about the taxonomy.
get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );
This is how you get the taxonomy id
$termId = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) )->term_id;
But if you are ...
“ArrayAdapter requires the resource ID to be a TextView” xml problems
...a xml layout file containing only a TextView(the TextView can't be wrapped by another layout, like a LinearLayout, RelativeLayout etc!), something like this:
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width...
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 ...
Get generated id after insert
...lumn named ROWID, OID, or _ROWID_ as long as those names are not also used by explicitly declared columns. If the table has a column of type INTEGER PRIMARY KEY then that column is another alias for the rowid.
So that is the default _ID column usually
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How can I generate a unique ID in Python? [duplicate]
...ort later. I'd have to manually kill uuidd as root. I worked around this by setting uuid._uuid_generate_time and uuid._uuid_generate_random to None so the uuid module never used the native implementation. (That should really be an option anyway; generating V4 random UUIDs causing a daemon to be s...
MongoDB SELECT COUNT GROUP BY
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how do you group sort to it? I want to sort count by -1
– Filip Bartuzi
Jun 26 '17 at 15:19
4
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Get users by name property using Firebase
...tion where I can get/set data in specific users accounts and I was tempted by Firebase.
8 Answers
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How update the _id of one MongoDB Document?
...rted with a duplicate value in a unique indexed field. You could fix this by doing the delete first, but that is a bad idea because if your insert fails for some reason your data is now lost. You must instead drop your index, perform the work, then restore the index.
– skelly...