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How do I empty an array in JavaScript?
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> 0 is more readable IMHO. And there's no performance difference between the two.
– Philippe Leybaert
Aug 8 '14 at 19:46
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Differences between MySQL and SQL Server [closed]
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Why are exclamation marks used in Ruby methods?
...rising like raise errors or skip errors. Bangs are used to say this is the more unusual version of the method and I think this should be reflected in your answer since it is marked as correct.
– BookOfGreg
Feb 16 '14 at 15:24
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In Bash, how can I check if a string begins with some value?
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java.lang.OutOfMemoryError: Java heap space
...es are based on the JRE version and system configuration. You can find out more about the VM options on the Java website.
However, I would recommend profiling your application to find out why your heap size is being eaten. NetBeans has a very good profiler included with it. I believe it uses the jv...
Learning Python from Ruby; Differences and Similarities
... be arbitrarily big. Because of this, Ruby code is typically written in a more functional style than Python code. For example, to loop over a list in Ruby, you typically do
collection.each do |value|
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end
The block works very much like a function being passed to collection.each. If you we...
PHP foreach change original array values
...array/variable - then you should use a reference. It's faster, cleaner and more readable.
– Lulu
Feb 10 '16 at 8:26
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How does one write code that best utilizes the CPU cache to improve performance?
...mproving cache line utilization helps in three respects:
It tends to fit more useful data in the cache, essentially increasing the effective cache size.
It tends to fit more useful data in the same cache line, increasing the likelyhood that requested data can be found in the cache.
It reduces the ...
what happens when you type in a URL in browser [closed]
...porary intents and purposes, an unrealistic scenario; all of these are far more complex in actual use, and the tech stack has become an order of magnitude more complicated since this was written. With this in mind, the following timeline is still somewhat valid:
browser checks cache; if requested ...
Is the sizeof(some pointer) always equal to four?
...ve a normal "NEAR" pointer was 16 bits and a pointer declared as "FAR" was more, probably 24, though I'm not sure.
– rmeador
Dec 29 '08 at 23:22
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