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What is the C# equivalent of NaN or IsNumeric?
...s a number
} else {
// it is not a number
}
Incidentally, all of the standard data types, with the glaring exception of GUIDs, support TryParse.
update
secretwep brought up that the value "2345," will pass the above test as a number. However, if you need to ensure that all of the characters wi...
How to get current working directory in Java?
...itialized". This is probably what you want. to find out where the java command was issued, in your case in the directory with the files to process, even though the actual .jar file might reside somewhere else on the machine. Having the directory of the actual .jar file isn't that useful in most case...
What is the best way to iterate over a dictionary?
...een a few different ways to iterate over a dictionary in C#. Is there a standard way?
30 Answers
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Calling constructors in c++ without new
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I guess these types of actions are optimized and therefore, do not significantly differ in performance aspects.
– M. Williams
Apr 27 '10 at 16:14
14
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How do I edit an existing tag message in git?
... answered Oct 18 '11 at 20:24
AndyAndy
36.2k1212 gold badges6363 silver badges6565 bronze badges
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How to measure time taken by a function to execute
...is required to import the performance class
Using console.time: (non-standard) (living standard)
console.time('someFunction')
someFunction() // Whatever is timed goes between the two "console.time"
console.timeEnd('someFunction')
Note: The string being pass to the time() and timeEnd() metho...
UIView bottom border?
... You're going to have to set that up yourself. Whereas using drawRect can handle the change automatically.
– Womble
Jul 3 '15 at 4:02
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Using JQuery - preventing form from submitting
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Two things stand out:
It possible that your form name is not form. Rather refer to
the tag by dropping the #.
Also the e.preventDefault is the correct JQuery syntax, e.g.
//option A
$("form").submit(function(e){
e.prev...
What is scope/named_scope in rails?
I've recently started an internship. My employer uses ruby on rails, and I frequently encounter new syntax that I need to look up to understand. I've googled around for a good explanation of named_scope, but what I've found so far is mostly blog posts giving high praise for it, rather a straight def...
Why can I use auto on a private type?
I was somehow surprised that the following code compiles and runs (vc2012 & gcc4.7.2)
4 Answers
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