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Scalar vs. primitive data type - are they the same thing?
...ar processor' in contrast to a 'vector processor'. A scalar processor is a CPU that can only handle one piece of data at a time. These processors were/are named after the arithmetic terms. Interestingly enough, when you look up 'scalar' on wikipedia, you get redirected to 'variable'.
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Why does JPA have a @Transient annotation?
...field will still get serialized!
Suppose you create a entity, doing some CPU-consuming calculation to get a result and this result will not save in database. But you want to sent the entity to other Java applications to use by JMS, then you should use @Transient, not the JavaSE keyword transient. ...
How do I execute a command and get the output of the command within C++ using POSIX?
...ed ;)
{
// Give some timeslice (50 ms), so we won't waste 100% CPU.
bProcessEnded = WaitForSingleObject( pi.hProcess, 50) == WAIT_OBJECT_0;
// Even if process exited - we continue reading, if
// there is some data available over pipe.
for (;;)
{
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Function to calculate distance between two coordinates
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这个问题问了JavaScript的答案。. You have to convert it to english :)
– VulfCompressor
Oct 12 '15 at 15:56
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PHP foreach change original array values
...est your specific scenario and determine which option uses less memory and CPU time. For more information see the SO post linked below by NikiC.
Code readability.
Creating references in PHP is something that quickly gets out of hand. If you are a novice and don't have full control of what you are d...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...lation unit (for example: a foreign library, a file on disc, network data, CPU page tables, ...). In such a case the binary structure of data is also defined in a place inaccessible to the compiler, so reordering the struct fields would create a data type that is inconsistent with the other definiti...
Why is ArrayDeque better than LinkedList
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Also, since the linked list nodes are allocated here and there, usage of CPU cache won't provide much benefit.
If it might be of interest, I have a proof that adding (appending) an element to ArrayList or ArrayDeque runs in amortized constant time; refer to this.
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What is the best algorithm for overriding GetHashCode?
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Incidentally, 31 is a shift and subtract on the CPU, which is exceedingly fast.
– Chui Tey
Aug 22 '13 at 23:14
4
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await vs Task.Wait - Deadlock?
...wers:
"async await" is more complex at CIL level and thus costs memory and CPU time.
Any task can be canceled if the waiting time is unacceptable.
In the case "async await" we do not have a handler for such a task to cancel it or monitoring it.
Using Task is more flexible then "async await".
Any syn...
Cosmic Rays: what is the probability they will affect a program?
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More importantly, the chip feature size for CPUs in 1995 was around 0.35 µm or 350nm. It's now 1/10th that size at 35nm.
– Joe Koberg
Apr 5 '10 at 21:02
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