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C# operator overload for `+=`?

...ssions down to the same bytecode, meaning that it's very likely the the runtime can't treat them differently during program execution. I can understand that you might want to treat it like a separate operation: in an statement like x += 10 you know that you can mutate the x object in place and perh...
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How to split a string literal across multiple lines in C / Objective-C?

... I am having this problem all the time, so I made a tiny tool to convert text to an escaped multi-line Objective-C string: http://multilineobjc.herokuapp.com/ Hope this saves you some time. ...
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Enum type constraints in C# [duplicate]

...The CLR doesn't support it, so in order to make it work we'd need to do runtime work in addition to the language work. (see answer comments) I can see that there are a few decent usage cases, but none of them are so compelling that we'd do this work rather than one of the hundreds of other feature...
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Java: getMinutes and getHours

... Try using Joda Time instead of standard java.util.Date classes. Joda Time library has much better API for handling dates. DateTime dt = new DateTime(); // current time int month = dt.getMonth(); // gets the current month int hours = d...
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Why is exception handling bad?

...xceptions mean is that any one of your statements can interrupt you at any time. The onus is on you in each individual method to get it right and roll back when that happens, or order your operations so throws don't effect object state. If you get it wrong (and it's easy to make this kind of mista...
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How do I find out if first character of a string is a number?

...uffix, which means that "the preceding pattern must appear between 1 and 1 times". This means exactly the same as the pattern does on its own. – Andrzej Doyle Jun 4 '13 at 14:43 ...
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AngularJS : Difference between the $observe and $watch methods

...ration. (And this is why we need the $observe and $watch functions.) Sometimes you don't need $observe or $watch. E.g., if your attribute contains a number or a boolean (not a string), just evaluate it once: attr1="22", then in, say, your linking function: var count = scope.$eval(attrs.attr1). I...
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Adding n hours to a date in Java?

... Check Calendar class. It has add method (and some others) to allow time manipulation. Something like this should work. Calendar cal = Calendar.getInstance(); // creates calendar cal.setTime(new Date()); // sets calendar time/date cal.add(Calendar.HOUR_OF_DAY, 1); // adds one hou...
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How do I check if an integer is even or odd? [closed]

...} I then compiled these with gcc 4.1.3 on one of my machines 5 different times: With no optimization flags. With -O With -Os With -O2 With -O3 I examined the assembly output of each compile (using gcc -S) and found that in each case, the output for and.c and modulo.c were identical (they both ...
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iPhone App Icons - Exact Radius?

...at least as displayed by Photoshop at 3200% zoom). The Round Rect Tool sometimes rounds the input to the nearest whole number, but you can see a significant difference between 90 and 89.825. And several times the Round Rectangle Tool didn't round up and actually showed multiple digits after the deci...