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How do I specify unique constraint for multiple columns in MySQL?
... For those people using MySQL workbench: go to the Indexes tab and select UNIQUE as your type. Give your index a name and check the appropriate columns under the section "Index Columns"
– Pakman
Jun 3 '13 at 20:42
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Good introduction to the .NET Reactive Framework [closed]
...ouseDown()
from mv in this.GetMouseMove().Until(this.GetMouseUp())
select new Point(mv.X, mv.Y);
mouseMoveWhileDown
.Pairwise()
.Subscribe(tup => graphics.DrawLine(pen, tup.Item1, tup.Item2));
(I must confess that in that example, Pairwise() is home-grown...)
The most importa...
How do I read and parse an XML file in C#?
...then find a node below it ie like this
XmlNode node = doc.DocumentElement.SelectSingleNode("/book/title");
or
foreach(XmlNode node in doc.DocumentElement.ChildNodes){
string text = node.InnerText; //or loop through its children as well
}
then read the text inside that node like this
string...
Strings in a DataFrame, but dtype is object
Why does Pandas tell me that I have objects, although every item in the selected column is a string — even after explicit conversion.
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jquery stop child triggering parent event
... somebody, I replaced $(".header a") with $(".header *") and got any child selected (div, forms, input, etc).
– aldo.roman.nurena
Sep 2 '13 at 6:31
1
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How to Set focus to first text input in a bootstrap modal after shown
...u can use delay() like following... $('#textareaID').delay(1000).focus().select();
– Tony
May 19 '16 at 22:07
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How exactly to use Notification.Builder
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in addition to the selected answer here is some sample code for the NotificationCompat.Builder class from Source Tricks :
// Add app running notification
private void addNotification() {
NotificationCompat.Builder builder =
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Signtool error: No certificates were found that met all given criteria with a Windows Store App?
...ilable from the machine it was originally developed on, so I could choose "Select from File..." to install the missing certificate. Alternatively you can always create a new one and use that!
– JDandChips
Mar 16 '16 at 10:32
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Cannot hide status bar in iOS7
...ly problem with this approach is if you use the UIImagePickerController to select images it will force the status bar to appear once more.The only sure fire way to prevent this is to implement the prefersStatusBarHidden method in each of your view controllers and reset the UIViewControllerBasedStatu...
Can I find out the return value before returning while debugging in Eclipse?
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Found a really good shortcut for this.
Select the expression which returns the value and press
Ctrl + Shift + D
This will display the value of the return statement. This is really helpful in cases where you can't or don't want to change just for debugging purp...