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How to create a button programmatically?
..., height: 50))
button.backgroundColor = .greenColor()
button.setTitle("Test Button", forState: .Normal)
button.addTarget(self, action: #selector(buttonAction), forControlEvents: .TouchUpInside)
self.view.addSubview(button)
}
func buttonAction(sender: UIButton!) {
print("Button tapped")
}...
Share cookie between subdomain and domain
...omain.com to share cookies.
See also:
www vs no-www and cookies
cookies test script to try it out
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MySQL: selecting rows where a column is null
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To search for column values that are NULL, you cannot use an expr = NULL test. The following statement returns no rows, because expr = NULL is never true for any expression
Solution
SELECT pid FROM planets WHERE userid IS NULL;
To test for NULL, use the IS NULL and IS NOT NULL operators.
opera...
Check if a program exists from a Makefile
...erchuan requires making a target. However, if you have many executables to test and your Makefile has many independent targets, each of which requires the tests, then each target requires the test target as a dependency. That makes for a lot of extra typing as well as processing time when you make m...
How to redirect all HTTP requests to HTTPS
... link and deploys it to production that IS bad. It SHOULD be caught during testing, even with the redirection in place. I don't like the "could" argument because this "could" happen without the redirection in place. The symptoms are the same when testing in a secure browser, except after confirming...
Remove all whitespaces from NSString
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I prefer using regex like this:
NSString *myString = @"this is a test";
NSString *myNewString = [myString stringByReplacingOccurrencesOfString:@"\\s"
withString:@""
options:NSRegularExpressionSearch
...
How to Remove ReadOnly Attribute on File Using PowerShell?
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$file = Get-Item "C:\Temp\Test.txt"
if ($file.attributes -band [system.IO.FileAttributes]::ReadOnly)
{
$file.attributes = $file.attributes -bxor [system.IO.FileAttributes]::ReadOnly
}
The above code snippet is taken from this article
U...
Spring mvc @PathVariable
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Let us assume you hit a url as www.example.com/test/111 .
Now you have to retrieve value 111 (which is dynamic) to your controller method .At time you ll be using @PathVariable as follows :
@RequestMapping(value = " /test/{testvalue}", method=RequestMethod.GET)
public vo...
Understanding the map function
... will get errors. In Python 3 map() will stop after finishing with the shortest list. Also, in Python 3, map() returns an iterator, not a list.
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How to highlight a current menu item?
...d "/anything" or if you have multiple menu items with similar urls, like "/test", "/test/this", "/test/this/path" if you were on /test, it would highlight all of those options.
– Ben Lesh
May 29 '13 at 2:34
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