大约有 40,000 项符合查询结果（耗时：0.0318秒） [XML]
jQuery Set Cursor Position in Text Area
... the application is used. I want the caret to be returned to 0 before each new write (a record of the usage). is it the dynamic data that's causing me problems? if so how could i get around that?
– Chris
Jun 3 '16 at 14:58
...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...rns true.
if (this.textBox1.InvokeRequired)
{
SetTextCallback d = new SetTextCallback(SetText);
this.Invoke(d, new object[] { text });
}
else
{
this.textBox1.Text = text;
}
}
So in your case:
private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataRec...
Show MySQL host via SQL Command
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f8283248%2fshow-mysql-host-via-sql-command%23new-answer', 'question_page');
}
);
...
Set select option 'selected', by value
...onchange handler for dropdown will still run. Just have to update code for new element which is selectboxit element
– chris c
Aug 29 '18 at 22:56
|
...
Accessing MP3 metadata with Python [closed]
...the file:
tag.link("/some/file.mp3")
tag.remove()
tag.update()
Add a new tag:
tag = eyeD3.Tag()
tag.link('/some/file.mp3') # no tag in this file, link returned False
tag.header.setVersion(eyeD3.ID3_V2_3)
tag.setArtist('Fugazi')
tag.update()
...
Deleting a Google App Engine application
...
With the new Google Cloud console, you can still disable GAE applications as before (App Engine --> Settings --> Disable). They cannot currently be deleted. However you can delete the entire project by going to IAM --> Sett...
Django optional url parameters
...iews.foo),
url(r'^project_config/(?P<product>\w+)/(?P<project_id>\w+)/$', views.foo),
)
Keep in mind that in your view you'll also need to set a default for the optional URL parameter, or you'll get an error:
def foo(request, optional_parameter=''):
# Your code goes here
...
How can I use NSError in my iPhone App?
...or reference with error data and return nil from the method.
Example:
- (id) endWorldHunger:(id)largeAmountsOfMonies error:(NSError**)error {
// begin feeding the world's children...
// it's all going well until....
if (ohNoImOutOfMonies) {
// sad, we can't solve world hunger, ...
How to declare a variable in a PostgreSQL query
...
This is ideal for when I have a migration script where I want to import some relational data. Obviously I won't know the sequence id the relational data is given.
– Relequestual
Feb 13 '15 at 9:...
Why is the shovel operator (
...2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntactic shorthand for a = a + b (the same goes for the other <op>= operators) which is an assignment. On the other hand << is an alias of concat() which alt...