大约有 6,888 项符合查询结果（耗时：0.0295秒） [XML]
Handling file renames in git
...
For git mv the
manual page
says
The index is updated after successful completion,
[…]
So, at first, you have to update the index on your own
(by using git add mobile.css). However
git status
will still show two different files
$ git status
# On branch ma...
Rest with Express.js nested router
...hat would have many routes that would need to be broken up for example.
./index.js:
var app = require('express')();
// anything beginning with "/api" will go into this
app.use('/api', require('./routes/api'));
app.listen(3000);
./routes/api/index.js:
var router = require('express').Router();
...
How to send and retrieve parameters using $state.go toParams and $stateParams?
...oller'
})
.state('view', {
templateUrl: 'overview',
params: ['index', 'anotherKey'],
controller: 'overviewController'
})
So also you should pass toParams as array like this:
params = { 'index': 123, 'anotherKey': 'This is a test' }
paramsArr = (val for key, val of params)
$state...
jQuery Set Select Index
...1+
$('#selectBox :nth-child(4)').prop('selected', true); // To select via index
$('#selectBox option:eq(3)').prop('selected', true); // To select via value
Thanks for the comment, .get won't work since it returns a DOM element, not a jQuery one. Keep in mind the .eq function can be used outsid...
How to remove part of a string? [closed]
...s part of a string.
The function substr() will take a string as input, the index form where you want the string to be trimmed. and an optional parameter is the length of the substring. You can see proper documentation and example code on http://php.net/manual/en/function.substr.php
NOTE : index for...
ALTER TABLE to add a composite primary key
...
They both enforce uniqueness on that set of three fields, however from an indexing standpoint there is a difference. The fields are indexed from left to right.
For example, consider the following queries:
A) SELECT person, place, thing FROM provider WHERE person = 'foo' AND thing = 'bar';
B) SELE...
How to get the position of a character in Python?
...
There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myS...
Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
...df = df.drop(some labels)
df = df.drop(df[<some boolean condition>].index)
Example
To remove all rows where column 'score' is < 50:
df = df.drop(df[df.score < 50].index)
In place version (as pointed out in comments)
df.drop(df[df.score < 50].index, inplace=True)
Multiple condit...
PostgreSQL: How to make “case-insensitive” query
...ny function) on the predicate columns--in this case "name"--will cause any indexes to no longer be seekable. If this is a large or frequently queried table, that could cause trouble. Case-insensitive collation, citext, or a function-based index will improve performance.
– Jorda...
Index on multiple columns in Ruby on Rails
...
The order does matter in indexing.
Put the most selective field first, i.e. the field that narrows down the number of rows fastest.
The index will only be used insofar as you use its columns in sequence starting at the beginning. i.e. if you index ...