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Lock-free multi-threading is for real threading experts
...ng additional resource requirements sounds great, doesn't it?
Most of the fun however can come from ensuring correct load/store ordering.
Contrary to one's intuitions, CPUs are free to reorder memory reads/writes - they are very smart, by the way: you will have a hard time observing this from a sin...
Iterator Loop vs index loop [duplicate]
...d a set(granted it is kindof like an array).
– Shipof123
Mar 14 '19 at 22:46
1
the question was i...
How do JavaScript closures work?
...s to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
...
Check synchronously if file/directory exists in Node.js
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123
Looking at the source, there's a synchronous version of path.exists - path.existsSync. Looks ...
How do you parse and process HTML/XML in PHP?
... fluent API.
It leverages XPath and the fluent programming pattern to be fun and effective.
3rd-Party (not libxml-based)
The benefit of building upon DOM/libxml is that you get good performance out of the box because you are based on a native extension. However, not all 3rd-party libs go down...
How does the Java 'for each' loop work?
...est A: 326,373,762 nanoseconds
Test B: 202,555,566 nanoseconds
B faster by 123,818,196 nanoseconds (37.437545972215744% faster)
I also ran this for an Integer array, and indexes are still the clear winner, but only between 18 and 25 percent faster.
For collections, iterators are faster than index...
What are the effects of exceptions on performance in Java?
...
Just for fun I disabled fillInStackTrace in the exception test. Here are the times now: Control 347 Exception 351 Result 364 Sentinel 355
– Fuwjax
Apr 10 '11 at 10:52
...
Git workflow and rebase vs merge questions
.... At best, you have to go back and amend each of the affected commits. Not fun.
After a rebase, it's impossible to determine what was originally part of the commits and what was introduced as a result of bad conflict resolution.
*It can be possible to undo a rebase if you can dig the old refs out...
vs
...
123
The original intention in C++98 was that you should use <cstdint> in C++, to avoid pollu...
What is a “callback” in C and how are they implemented?
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Here is an example of callbacks in C.
Let's say you want to write some code that allows regis...