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XML Validation with XSD in Visual Studio IDE
I know I have done this before, but it isn't working today, nor can I find anywhere that explains how to do it. It could be my lack of sleep, but I suspect gremlins.
...
How to copy data to clipboard in C#
How can I copy a string (e.g "hello") to the System Clipboard in C#, so next time I press CTRL+V I'll get "hello"?
5 Answ...
Resize image proportionally with MaxHeight and MaxWidth constraints
...ng (var image = Image.FromFile(@"c:\logo.png"))
using (var newImage = ScaleImage(image, 300, 400))
{
newImage.Save(@"c:\test.png", ImageFormat.Png);
}
}
public static Image ScaleImage(Image image, int maxWidth, int maxHeight)
{
var ratioX = (double)maxWidth / image.Width;
...
Selecting with complex criteria from pandas.DataFrame
...5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 True
2 True
3 True
4 False
5 False
6 True
7 True
8 True
9 True
Name: B
>>> (df[...
Changing the size of a column referenced by a schema-bound view in SQL Server
...e or tables. When
SCHEMABINDING is specified, the base
table or tables cannot be modified in
a way that would affect the view
definition. The view definition itself
must first be modified or dropped to
remove dependencies on the table that
is to be modified.
...
How to access accelerometer/gyroscope data from Javascript?
...leOrientation, true);
After registering your event listener (in this case, a JavaScript
function called handleOrientation()), your listener function
periodically gets called with updated orientation data.
The orientation event contains four values:
DeviceOrientationEvent.absol...
How to add an extra source directory for maven to compile and include in the build jar?
...
You can use the Build Helper Plugin, e.g:
<project>
...
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugi...
What does the caret operator (^) in Python do?
I ran across the caret operator in python today and trying it out, I got the following output:
5 Answers
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Android preferences onclick event
...
Badr,
You need to set android:key for the item, Then in your code you can do...
Assuming you use the following in your XML:
<Preference android:title="About" android:key="myKey"></Preference>
Then you can do the following in your code:
Preference myPref = (Preference) findPrefe...
Why does ~True result in -2?
...
@ofcapl Just wanted to say: Although int('1') is also 1 but ~'1' be a typeerror exception whereas ~True is not this is because bool is a subclass of int @ Martijn added this information in his answer.
– Gri...