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How to check if NSString begins with a certain character
...?
if string.hasPrefix("*") {
output = string.substringFromIndex(string.startIndex.advancedBy(1))
}
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Why do I need an IoC container as opposed to straightforward DI code? [closed]
... & update the UI accordingly.
"OK, that doesn't sound so hard" so you start writing.
You start with this:
public class Customer
{
public string FirstName { get; set; }
public string LastName { get; set; }
public DateTime CustomerSince { get; set; }
public string Status { get...
What does “coalgebra” mean in the context of programming?
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Algebras
I think the place to start would be to understand the idea of an algebra. This is just a generalization of algebraic structures like groups, rings, monoids and so on. Most of the time, these things are introduced in terms of sets, but since we're...
Call a Javascript function every 5 seconds continuously [duplicate]
... :hover
will prevent running multiple actions (finish run animation before starting second)
will prevent going broken when in the tab ( browser stops scripts in the tabs)
Tested and working!
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...s set for the calendar date. Tracing framework bugs can be accomplished by starting with a simple working example and building the page back up until the bug is discovered.
Debugging hints
In case you still stucks, it's time to debug. In the client side, press F12 in webbrowser to open the web dev...
How to best position Swing GUIs?
...spawned on 'the other' monitor. Example: I have my main GUI on Screen 2, I start a new JFrame with setLocationByPlatform(true) and it opens on Screen 1. So here is a more complete solution, I think:
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// Let the OS try to handle the positioning!
f.setLocationByPlatform(true);
if (!f.getBounds().i...
Heap vs Binary Search Tree (BST)
...els, so new elements are almost certain to go at the bottom
heap insertion starts from the bottom, BST must start from the top
In a binary heap, increasing the value at a given index is also O(1) for the same reason. But if you want to do that, it is likely that you will want to keep an extra inde...
Is it safe to use Project Lombok? [closed]
...technical advantages for your proposed new project. (To be clear from the start, I have no particular views on Project Lombok, one way or the other.)
Before you use Project Lombok (or any other game-changing technology) in some project (open source or other wise), you need to make sure that the pr...
jQuery: Count number of list elements?
...more help with jQuery, http://docs.jquery.com/Main_Page is a good place to start.
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Freeing up a TCP/IP port?
...re root. Then you will have to kill the "offending" process which may well start up again just to annoy you :-).
What are you actually trying to achieve here? Solutions will vary based on the processes holding those ports.
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