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How can you use optional parameters in C#?
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1081
Surprised no one mentioned C# 4.0 optional parameters that work like this:
public void SomeMe...
How do I use jQuery's form.serialize but exclude empty fields
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answered Mar 4 '09 at 14:29
Tom VinerTom Viner
5,75755 gold badges3535 silver badges3838 bronze badges
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How to pipe list of files returned by find command to cat to view all the files
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answered May 14 '09 at 16:30
kenj0418kenj0418
5,80722 gold badges2424 silver badges2323 bronze badges
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Hide grid row in WPF
...ool)value == true) ? new GridLength(1, GridUnitType.Star) : new GridLength(0);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{ // Don't need any convert back
return null;
}
}
And then in the app...
Best practices for in-app database migration for Sqlite
...h this variable, you are free to use it however you please). It starts at 0, and you can get/set this variable with the following sqlite statements:
> PRAGMA user_version;
> PRAGMA user_version = 1;
When the app starts, I check the current user-version, apply any changes that are needed ...
Casting vs using the 'as' keyword in the CLR
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The answer below the line was written in 2008.
C# 7 introduced pattern matching, which has largely replaced the as operator, as you can now write:
if (randomObject is TargetType tt)
{
// Use tt here
}
Note that tt is still in scope after this, but not definit...
Save An Image To Application Documents Folder From UIView On IOS
..., NSUserDomainMask, YES);
NSString *documentsPath = [paths objectAtIndex:0]; //Get the docs directory
NSString *filePath = [documentsPath stringByAppendingPathComponent:@"image.png"]; //Add the file name
[pngData writeToFile:filePath atomically:YES]; //Write the file
Reading it later works the ...
How do I generate random number for each row in a TSQL Select?
...ation.
To summarize, the following code generates a random number between 0 and 13 inclusive with a uniform distribution:
ABS(CHECKSUM(NewId())) % 14
To change your range, just change the number at the end of the expression. Be extra careful if you need a range that includes both positive and ne...
How can I position my div at the bottom of its container?
...Assign position:relative to #container, and then position:absolute; bottom:0; to #copyright.
#container {
position: relative;
}
#copyright {
position: absolute;
bottom: 0;
}
<div id="container">
<!-- Other elements here -->
<div id="copyright">
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Windows batch: echo without new line
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Nicholas DiPiazza
7,50188 gold badges5353 silver badges111111 bronze badges
answered Aug 18 '11 at 10:05
arneparnep
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