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What's the best practice to round a float to 2 decimals? [duplicate]
...that allows you to round a number to the number of decimals that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom.
/**
* Round to certain number of decimals
*
* @param d
* @param decimalPlace
* @return
*/
public stati...
When should I really use noexcept?
...iers right after they came out then the answers would be very different to now.
Having to think about whether or not I need to append noexcept after every function declaration would greatly reduce programmer productivity (and frankly, would be a pain).
Well, then use it when it's obvious that ...
How to verify if a file exists in a batch file?
...file does or does not exist:
if exist C:\myprogram\sync\data.handler echo Now Exiting && Exit
if not exist C:\myprogram\html\data.sql Exit
We will take those three files and put it in a temporary place. After deleting the folder, it will restore those three files.
xcopy "test" "C:\temp"
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How do I get the n-th level parent of an element in jQuery?
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Depends on your needs, if you know what parent your looking for you can use the .parents() selector.
E.G:
http://jsfiddle.net/HenryGarle/Kyp5g/2/
<div id="One">
<div id="Two">
<div id="Three">
<div id="Four"&g...
What is the difference between up-casting and down-casting with respect to class variable
...g) animal;
Basically what you're doing is telling the compiler that you know what the runtime type of the object really is. The compiler will allow the conversion, but will still insert a runtime sanity check to make sure that the conversion makes sense. In this case, the cast is possible because ...
Lock screen orientation (Android) [duplicate]
...er the OnCreate section of the target activity resolved the problem. So I now use both methods.
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jQuery .on function for future elements, as .live is deprecated [duplicate]
...ould use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on .
2 Answers
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SQL Server - copy stored procedures from one db to another
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Wow. Now I thought that I was the only one who liked GUI based approach!!
– rvphx
May 22 '12 at 14:02
10
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When to use: Java 8+ interface default method, vs. abstract method
...venience methods, thus constraining the implementor to single inheritance, now you can have a really clean design with just the interface and a minimum of implementation effort forced on the programmer.
The original motivation to introduce default methods to Java 8 was the desire to extend the Coll...
JQuery to check for duplicate ids in a DOM
...orget I have this running in production and really ought to optimize it by now - or add a debug setting to turn it on/off!
– Simon_Weaver
Mar 18 '11 at 19:15
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