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How do I detect “shift+enter” and generate a new line in Textarea?
...tarea, in characters, from the start?
function getCaret(el) {
if (el.selectionStart) {
return el.selectionStart;
} else if (document.selection) {
el.focus();
var r = document.selection.createRange();
if (r == null) {
return 0;
}
...
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
select、poll、epoll之间的区别总结[整理]select,poll,epoll都是IO多路复用的机制。I O多路复用就通过一种机制,可以监视多个描述符,一旦某个描述符就绪(一般是读就绪或者写就绪...select,poll,epoll都是IO多路复用的机制。I/O多路...
Why does UITableViewCell remain highlighted?
...
In your didSelectRowAtIndexPath you need to call deselectRowAtIndexPath to deselect the cell.
So whatever else you are doing in didSelectRowAtIndexPath you just have it call deselectRowAtIndexPath as well.
- (void)tableView:(UITableVi...
Getting current device language in iOS?
... will actually return the current region of the device - not the currently selected language. These are often one and the same. However, if I am in North America and I set my language to Japanese, my region will still be English (United States). In order to retrieve the currently selected language, ...
Selecting multiple classes with jQuery
I’ve had a good look and can’t seem to find out how to select all elements matching certain classes in one jQuery selector statement such as this:
...
How to modify a pull request on GitHub to change target branch to merge into?
...e new pull request in their dashboard the next time they sign in.
If you select as a base branch the one that the original maintainer (the owner) wants, your PR should merge from your branch (unchanged) to the new base branch.
...
What is LINQ and what does it do? [closed]
...;string> result =
from c in myCustomers
where c.Name.StartsWith("B")
select c.Name;
Lambda Expressions - This is a shorthand for specifying a method. The C# compiler will translate each into either an anonymous method or a true System.Linq.Expressions.Expression. You really need to understand...
How do I put an 'if clause' in an SQL string?
... WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING'
)
However, I might guess that you are looping at a higher level. To set all such v...
Resharper Alt Enter not working
...g the radio buttons and clicking OK. Then switching back to the previously selected radiobutton.
Edit
Here is how to change/assign keyshort cuts in Visual Studio/Resharper from JetBrains Knowledge Base
The command you are looking for is called "ReSharper_QuickFix". In version 8, this is called "R...
How to find Unused Amazon EC2 Security groups
...
If you select all of your security groups in the EC2 console, then press actions -> Delete Security Groups, a popup will appear telling you that you cannot delete security groups that are attached to instances, other security gro...
