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Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...as descibed in the MSDN article:
How to: Make Thread-Safe Calls to Windows Forms Controls
So instead of setting the text property directly in the serialport1_DataReceived method, use this pattern:
delegate void SetTextCallback(string text);
private void SetText(string text)
{
// InvokeRequired re...
How to redirect to a 404 in Rails?
...itional statements.
As a bonus, it's also super easy to handle in tests. For example, in an rspec integration test:
# RSpec 1
lambda {
visit '/something/you/want/to/404'
}.should raise_error(ActionController::RoutingError)
# RSpec 2+
expect {
get '/something/you/want/to/404'
}.to raise_err...
android - How to set the Rating bar is non clickable and touchable in HTC mobile
...ing bars. I want to set the Rating bar is non-click able and no-touchable. For this i added the following code in xml file of each rating bar.
...
jQuery: How to capture the TAB keypress within a Textbox
...s ? CMS is suggesting using keydown because in IE, keypress does not work for noncharacter keys, (such as Tab)
– Marc
Aug 22 '09 at 0:58
5
...
jQuery append fadeIn
...to it. Instead, construct your item first and apply the hide().fadeIn() before adding it:
$('#thumbnails')
.append($('<li><img src="/photos/t/'+data.filename+'"/></li>')
.hide()
.fadeIn(2000)
);
This uses the dollar function to construct the <li> a...
No identities are available for signing Xcode 5
I have an error "No identities are available for signing" when try to validate my app in Xcode 5. I tried all: Recreate certificates and provisioning profiles, all methods which have been described on this site and another resources; I'm confused, because when I try to distribute my app as Ad-hoc, i...
How do I programmatically click a link with javascript?
...as target="_blank" property, the browser's popup blocker will be activated for the new window.
– wonsuc
Feb 26 '19 at 6:11
add a comment
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How do I access an access array item by index in handlebars?
...
Indeed, @Matt, that is not just some lucky format, but is kind of the documented syntax. (See my answer.)
– Arjan
May 16 '13 at 22:33
5
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CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
...
Since this is the top question for this topic in Google even though it has been closed: if not exists (select * from sys.tables t join sys.schemas s on (t.schema_id = s.schema_id) where s.name = 'myschema' and t.name = 'cars') create table myschema.cars (...
Is there a way to rollback my last push to Git? [duplicate]
...}
git push -f
git reset --hard HEAD@{1}
( basically, go back one commit, force push to the repo, then go back again - remove the last step if you don't care about the commit )
Without doing any changes to your local repo, you can also do something like:
git push -f origin <sha_of_previous_com...