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Differences between Java 8 Date Time API (java.time) and Joda-Time
...t format. The old library folder lib/zi does not exist any more.
Adjuster vs. Property
JSR-310 has introduced the TemporalAdjuster-interface as a formalized way to externalize temporal calculations and manipulations, especially for library or framework-writers this is a nice and relative easy way ...
Is Unit Testing worth the effort? [closed]
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community wiki
7 revs, 6 users 87%reefnet_alex
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Create an index on a huge MySQL production table without table locking
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Vs read operations which don't block (swap the line comment in the script):
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Index Update - START
6 real 0m0.010s
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Does PHP have threading?
...n php but you should use multiprocessing instead.
Backgroud info: threads vs. processes
There is always a bit confusion about the distinction of threads and processes, so i'll shortly describe both:
A thread is a sequence of commands that the CPU will process. The only data it consists of is a p...
How to generate a random string of a fixed length in Go?
...ails, see How to convert utf8 string to []byte? and golang: []byte(string) vs []byte(*string).
Go 1.10 introduced strings.Builder. strings.Builder a new type we can use to build contents of a string similar to bytes.Buffer. It does it internally using a []byte, and when we're done, we can obtain th...
How to decide between MonoTouch and Objective-C? [closed]
...and (admittedly trashy) windowing systems, I didn't think the QuickBasic devs were wusses. I was a QuickBasic dev (in addition to the rest). Never give in to nerd machismo. If you don't like C, and if you don't like pointers, and if you want to stay as far away from manual memory management as possi...
Dynamic type languages versus static type languages
...eal difference. Test's have proven a call of a funcion, in the case of ipy vs C#, differs with a thousand cycles. Just because the former has to be sure a method exists.
– Dykam
Sep 2 '09 at 7:15
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When and why are database joins expensive?
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community wiki
20 revs, 6 users 88%Peter Wone
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Context switches much slower in new linux kernels
... know for sure is to profile your application's improvement in performance vs. the actual increase in power consumption/heat of your hardware and weigh the tradeoffs.
Update:
After additional testing with various idle=* parameters, I have discovered that setting idle to mwait if supported by your ...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
...() function, for example, only consists of the two CPU instructions repz movsb; ret because the source/target addresses have been put into the correct registers by the caller. There is, particularly in low-level and compiler-generated "glue" code (think, for example, some C++ heap allocators zero-fi...