大约有 11,643 项符合查询结果（耗时：0.0286秒） [XML]
MySQL InnoDB not releasing disk space after deleting data rows from table
...ng for your table like - Unique Keys, Indexes to include partition column etc.
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Add centered text to the middle of a -like line
... answered May 11 '10 at 17:09
Fletcher MooreFletcher Moore
12.3k1111 gold badges3434 silver badges5656 bronze badges
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Android: How to enable/disable option menu item on button click?
... a premium member, if the user signs in, if the user connects to internet, etc.) then it's nice to have it greyed out because then the it lets the user know there is some existing feature they don't have access to for some reason.
– yiati
May 1 '14 at 19:58
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How does one reorder columns in a data frame?
...e present. Because there are no columns with the character names "1", "3", etc. you'll get "undefined columns". list(1,3,"Var1", 2) keeps values without type promotion, but you can't use a list in the above context.
– Terry Brown
Jan 18 '15 at 16:05
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How to simulate a mouse click using JavaScript?
...(to simulate which mouse button you want, whether Shift/Alt/Ctrl are held, etc. The options it accepts are based on the MouseEvents API.
I've tested in Firefox, Safari and Chrome. Internet Explorer might need special treatment, I'm not sure.
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Postgres: SQL to list table foreign keys
...raints are the same. The only option is going for pg_constraints, pg_class etc. using oids to join. Postgres' ANSI catalog is only there for compliance but it's flawed. pg_catalog is the way to go. The correct answer is here dba.stackexchange.com/questions/36979/retrieving-all-pk-and-fk
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iPhone Safari Web App opens links in new window
... working for me on iOS 6.1 and with Bootstrap JS links (i.e dropdown menus etc)
$(document).ready(function(){
if (("standalone" in window.navigator) && window.navigator.standalone) {
// For iOS Apps
$('a').on('click', function(e){
e.preventDefault();
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What's the difference between unit tests and integration tests? [duplicate]
...hen you say unit, I used to think an example of "small chunk of code" was getCitiesFromCountry(string Country) should verify that the database returns "London, Manchester" if you pass in "UK". That to me was a unit. So I'd use a mock to mock the database and try to return a filtered list. I now unde...
How to delete multiple files at once in Bash on Linux?
...og" and "log" directory include abc.log.2012-03-14, abc.log.2012-03-15,... etc files. You have to be above the log directory and:
rm -rf /log/*
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Is there a way to get colored text in Github Flavored Markdown? [duplicate]
...``
```js
// code for coloring
```
```css
// code for coloring
```
// etc.
Colored Code Example, Javascript: place this code below, in your github README.md file and see how it colors the code for you.
```js
import { Component } from '@angular/core';
import { MovieService } from './se...