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Measure execution time for a Java method [duplicate]
...tTime);
In Java 8 (output format is ISO-8601):
Instant start = Instant.now();
Thread.sleep(63553);
Instant end = Instant.now();
System.out.println(Duration.between(start, end)); // prints PT1M3.553S
Guava Stopwatch:
Stopwatch stopwatch = Stopwatch.createStarted();
myCall();
stopwatch.stop(); ...
Visual Studio: Is there a way to collapse all items of Solution Explorer?
I know that I can use Arrow Keys to collapse items of solution explorer one by one, but I would like to know if there is a way to collapse all items with only one operation. I want to know it because, today I have a solution with 6 projects that have at least two hundred files and if I try to coll...
C# binary literals
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@D.Singh I see it on the C# 7 list now. github.com/dotnet/roslyn/issues/2136
– Danation
Jul 24 '15 at 20:03
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LLVM vs clang on OS X
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LLVM originally stood for "low-level virtual machine", though it now just stands for itself as it has grown to be something other than a traditional virtual machine. It is a set of libraries and tools, as well as a standardized intermediate representation, that can be used to help build co...
use Winmerge inside of Git to file diff
...mple git config diff.tool winmerge will be enough.
Git 2.5+ (Q2, 2015) is now aware of Winmerge as a diff or merge tool!
Original answer (2009-2012)
(msysgit, 1.6.5, DOS session)
The first part (using winmerge) is described in "How do I view ‘git diff’ output with visual diff program?"
C:...
Recursively add files by pattern
...ot already be tracked. If you want to limit yourself to files git already knows about, you could combine git-ls-files with a filter:
git ls-files [path] | grep '\.java$' | xargs git add
Git doesn't provide any fancy mechanisms for doing this itself, as it's basically a shell problem: how do you get...
How to subtract 30 days from the current datetime in mysql?
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SELECT * FROM table
WHERE exec_datetime BETWEEN DATE_SUB(NOW(), INTERVAL 30 DAY) AND NOW();
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-add
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Error: No default engine was specified and no extension was provided
...t get my pages displaying, I looked up why and came on to info on express. Now I followed info on the express 4.2 page, and ran into the error above which you helped with. Now I got ejs and it still does not seem to be all I need. Can you please give me a flow of how this ought to work please?
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How and when to use ‘async’ and ‘await’
...t need the result of LongRunningOperationAsync can be done here
//and now we call await on the task
int result = await longRunningTask;
//use the result
Console.WriteLine(result);
}
public async Task<int> LongRunningOperationAsync() // assume we return an int from this long...
How to use NSURLConnection to connect with SSL for an untrusted cert?
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These methods are now considered deprecated as of iOS 5.0 and Mac OS X 10.6. The -(void)connection:(NSURLConnection *)connection willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge method should be used instead....