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Programmatically fire button click event?
...tton is being pressed by changing the button state (selected, highlighted, etc). If that won't work, so be it.
– XJones
Apr 11 '11 at 19:19
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Using 'return' in a Ruby block
...sers to use return in their procs without consequences, self is preserved, etc.
The advantage of using Thread here is that in some cases you won't get the LocalJumpError - and the return will happen in the most unexpected place (onside a top-level method, unexpectedly skipping the rest of it's body...
How do I clear the terminal screen in Haskell?
...s functions for clearing the screen, displaying colors, moving the cursor, etc. Using it to clear the screen is easy: (this is with GHCI) import System.Console.ANSIclearScreen
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Usage of protocols as array types and function parameters in swift
...e objects using '===' operator.
I understand this won't work for structs, etc., but it was good enough in my case.
protocol SomeProtocol: class {
func bla()
}
class SomeClass {
var protocols = [SomeProtocol]()
func addElement(element: SomeProtocol) {
self.protocols.append(el...
How to rename a table in SQL Server?
...ences to that table that may exist in stored procedures, views, functions, etc. A quick google can find one of the many tools that can do this for you. Or you can use a script that finds a given string in all these objects, and paste them as ALTER statements, and do a find-and-replace, then run them...
Are email addresses case sensitive?
...nsitive manner" Especially when checking for duplicates in user-databases, etc.
– Geert-Jan
Nov 16 '13 at 23:00
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Getting time elapsed in Objective-C
...on of the output on my iPhone 6 (perhaps this was not an issue on iPhone 4/etc or I just never noticed it). Note that by not performing that division first, there is some risk of overflow if the numerator of the timebase is quite large. If anybody is curious, there is a link with much more informati...
Difference between Pig and Hive? Why have both? [closed]
..., and it also gives you metastore for information about your data (schema, etc) which is useful as a central information about your data.
I use both Hive and Pig, for different queries (I use that one where I can write query faster/easier, I do it this way mostly ad-hoc queries) - they can use the ...
Detecting 'stealth' web-crawlers
...HTML you can use plenty of tricks with comments, CDATA elements, entities, etc:
<a href="foo<!--bar-->"> (comment should not be removed)
<script>var haha = '<a href="bot">'</script>
<script>// <!-- </script> <!--><a href="bot"> <!-->
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What is the difference between decodeURIComponent and decodeURI?
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decodeURIComponent will decode URI special markers such as &, ?, #, etc, decodeURI will not.
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