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What is Lazy Loading?

...ht use lazy loading, consider an application that takes a LOOOOONG time to start. This application is probably doing a lot of eager loading... loading things from disk, and doing calculations and whatnot long before it is ever needed. Compare this to lazy loading, the application would start much ...
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How do you unit test a Celery task?

...g.py exists in one's package. See docs.celeryproject.org/en/latest/getting-started/…. – Kamil Sindi Mar 18 '16 at 16:35 1 ...
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In which order should floats be added to get the most precise result?

...lue to the total that best matches its magnitude, and when a running total starts to get too big for its magnitude, add it into the next total up and start a new one. Taken to its logical extreme, this process is equivalent to performing the sum in an arbitrary-precision type (so you'd do that). But...
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Regular Expression for alphanumeric and underscores

...ns, and probably a lot of other languages as well. Breaking it down: ^ : start of string [ : beginning of character group a-z : any lowercase letter A-Z : any uppercase letter 0-9 : any digit _ : underscore ] : end of character group * : zero or more of the given characters $ : end of string If ...
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What Computer Science concepts should I know? [closed]

... You can start with a Wikipedia article I linked to - it's both quite simple and mathematically correct. – sharptooth Apr 14 '09 at 12:56 ...
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OwinStartup not firing

I had the OwinStartup configuration code working perfectly and then it stopped working. Unfortunately I'm not sure exactly what I did to get it to stop working and am having a really hard time figuring it out. ...
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How to log a method's execution time exactly in milliseconds?

... NSDate *methodStart = [NSDate date]; /* ... Do whatever you need to do ... */ NSDate *methodFinish = [NSDate date]; NSTimeInterval executionTime = [methodFinish timeIntervalSinceDate:methodStart]; NSLog(@"executionTime = %f", executionTi...
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Peak detection in a 2D array

... rough and ready approach, "the dumbest thing that could possibly work": Start with five toe coordinates in roughly the place you expect. With each one, iteratively climb to the top of the hill. i.e. given current position, move to maximum neighbouring pixel, if its value is greater than current p...
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SQL Server Installation - What is the Installation Media Folder?

... Clicking the exe starts the installer, which unzips files to a temporary location and cleans them up afterward. The zip rename isn't necessary if you open the exe directly with 7zip, but it does help clarify the answer and show that the exe i...
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How to use wait and notify in Java without IllegalMonitorStateException?

...condition after they wake up to see whether they need to wait again or can start processing. Use the same object for calling wait() and notify() method; every object has its own lock so calling wait() on object A and notify() on object B will not make any sense. ...