大约有 44,000 项符合查询结果(耗时:0.0454秒) [XML]
How to obtain the number of CPUs/cores in Linux from the command line?
I have this script, but I do not know how to get the last element in the printout:
27 Answers
...
MySQL Cannot drop index needed in a foreign key constraint
I need to ALTER my existing database to add a column. Consequently I also want to update the UNIQUE field to encompass that new column. I'm trying to remove the current index but keep getting the error MySQL Cannot drop index needed in a foreign key constraint
...
Android soft keyboard covers EditText field
...
Are you asking how to control what is visible when the soft keyboard opens? You might want to play with the windowSoftInputMode. See developer docs for more discussion.
...
Scroll Automatically to the Bottom of the Page
... Most of the top results I got from a Google search gave me this answer:
window.scrollTo(0,document.body.scrollHeight);
Where you have nested elements, the document might not scroll. In this case, you need to target the element that scrolls and use it's scroll height instead.
window.scrollTo(0,...
COUNT DISTINCT with CONDITIONS
I want to count the number of distinct items in a column subject to a certain condition, for example if the table is like this:
...
How to determine the first and last iteration in a foreach loop?
The question is simple. I have a foreach loop in my code:
20 Answers
20
...
Twig ternary operator, Shorthand if-then-else
...
{{ (ability.id in company_abilities) ? 'selected' : '' }}
The ternary operator is documented under 'other operators'
share
|
improve thi...
How do I pass multiple attributes into an Angular.js attribute directive?
...
The directive can access any attribute that is defined on the same element, even if the directive itself is not the element.
Template:
<div example-directive example-number="99" example-function="exampleCallback()"></div>
Directive:
app.directive('exampleDir...
jQuery get values of checked checkboxes into array
I am trying to get values of all checkboxes that are currently checked and store them into an array. Here is my code so far:
...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
I am fairly new to MySQL and I am getting a pretty interesting error on which I cannot find any help via google and the stackoverflow search.
...