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Should I use Java's String.format() if performance is important?
....println("Time after for loop " + time);
}
}
Running the above for different N shows that both behave linearly, but String.format is 5-30 times slower.
The reason is that in the current implementation String.format first parses the input with regular expressions and then fills in the parame...
When using a Settings.settings file in .NET, where is the config actually stored?
...membered).
Update: Strange but there are too many incorrect answers here. If you are looking for you user scoped settings file (user.config) it will be located in the following folder (for Windows XP):
C:\Documents and
Settings\(username)\Local
Settings\Application
Data\(company-name-if-e...
What is the difference between “git branch” and “git checkout -b”?
... I think that git branch does the same thing.
How do these two commands differ, if they differ at all?
7 Answers
...
Detect current device with UI_USER_INTERFACE_IDIOM() in Swift
What is the equivalent of UI_USER_INTERFACE_IDIOM() in Swift to detect between iPhone and iPad?
17 Answers
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How to randomize (shuffle) a JavaScript array?
...nswer skips element 0, the condition should be i-- not --i. Also, the test if (i==0)... is superfluous since if i == 0 the while loop will never be entered. The call to Math.floor can be done faster using ...| 0. Either tempi or tempj can be removed and the value be directly assigned to myArray[i] o...
Handle ModelState Validation in ASP.NET Web API
... {
var modelState = actionContext.ModelState;
if (!modelState.IsValid)
actionContext.Response = actionContext.Request
.CreateErrorResponse(HttpStatusCode.BadRequest, modelState);
}
}
}
...
Array.Copy vs Buffer.BlockCopy
...time when you are copying primitive type arrays, or should you only use it if you're coding for performance? Is there anything inherently dangerous about using Buffer.BlockCopy over Array.Copy ?
...
jquery stop child triggering parent event
...lick event from the div is also triggered. How can i disable this so that if the link is clicked on the div onclick is not fired?
...
Linux: compute a single hash for a given folder & contents?
...
One possible way would be:
sha1sum path/to/folder/* | sha1sum
If there is a whole directory tree, you're probably better off using find and xargs. One possible command would be
find path/to/folder -type f -print0 | sort -z | xargs -0 sha1sum | sha1sum
And, finally, if you also need ...
Is there a pretty print for PHP?
...
If you install the XDebug extension, the var_dump becomes an even prettier printer.
– Alan Storm
Jul 22 '09 at 20:56
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