大约有 42,000 项符合查询结果（耗时：0.0643秒） [XML]
Why does the jquery change event not trigger when I set the value of a select using val()?
The logic in the change() event handler is not being run when the value is set by val() , but it does run when user selects a value with their mouse. Why is this?
...
No connection string named 'MyEntities' could be found in the application config file
I am using entity framework and ASP.NET MVC 4 to build an application
28 Answers
28
...
What is the purpose of std::make_pair vs the constructor of std::pair?
...hink you can do one = {10, 20} nowadays but I don't have a C++11 compiler handy to check it.
– MSalters
Feb 14 '12 at 8:11
6
...
How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
I'm working on web application that needs to render a page and make a screenshot on the client (browser) side.
2 Answers
...
How to grab substring before a specified character jQuery or JavaScript
...fore the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working..
11 Answers
...
TextView - setting the text size programmatically doesn't seem to work
I am using Eclipse Indigo, testing on 2 emulators(2.2 and 3.0).
7 Answers
7
...
How persistent is localStorage?
...ttings are stored in it. Some settings require the user the write regex'es and they would be sad if their regex rules are gone at some point.
So now I am wondering just how persistent the localStorage is.
...
How do you query for “is not null” in Mongo?
...rue}});
This will return all documents with both a key called "IMAGE URL" and a non-null value.
db.mycollection.find({"IMAGE URL":{$ne:null}});
Also, according to the docs, $exists currently can't use an index, but $ne can.
Edit: Adding some examples due to interest in this answer
Given these inse...
How to randomly pick an element from an array
I am looking for solution to pick number randomly from an integer array.
12 Answers
12...
Difference between window.location.assign() and window.location.replace()
What is the difference between window.location.assign() and window.location.replace() , when both redirect to a new page?
...