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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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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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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...
Difference between Role and GrantedAuthority in Spring Security
... with a naming convention that says that a role is a GrantedAuthority that starts with the prefix ROLE_. There's nothing more. A role is just a GrantedAuthority - a "permission" - a "right". You see a lot of places in spring security where the role with its ROLE_ prefix is handled specially as e.g. ...
.prop() vs .attr()
... value attribute in modern browsers" I didn't think it did, which is why I started to use it as an example, but when I started coding up the example, darned if it didn't get updated on Chrome, Firefox, Opera, IE... - jsbin.com/ahire4 Turns out that's because I was using an input[type="button"] for m...
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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What are rvalues, lvalues, xvalues, glvalues, and prvalues?
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I like the diagram here. I think it might be useful to start the answer with "Every expression belongs to exactly one of the fundamental classifications in this taxonomy: lvalue, xvalue, or prvalue." Then it's easy to use the diagram to show those three fundamental classes are c...
How to create strings containing double quotes in Excel formulas?
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The outer quotes in your example are just starting and ending the string. "" creates a quote character, not """.
– Ben I.
Oct 13 '16 at 15:13
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Function overloading by return type?
... to require that one overload be marked as "preferred"; the compiler would start by binding using only preferred overloads, and then determine if any non-preferred overloads would be an improvement. Among other things, suppose types Foo and Bar support bidirectional conversion, and a method uses ty...