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Why does C++ need a separate header file?
...ough additional information to load and link the code. Then, you point the CPU at the entry point, and let it run. This is fundamentally different from Java or C#, where the code is compiled into an intermediary bytecode containing metadata on its contents.
– DevSolar
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Why is String.chars() a stream of ints in Java 8?
...or unboxing within an inner loop, you'd see that it can impose significant CPU and garbage collection overhead.
When designing the Streams API, it was clear that we had to support primitives. The boxing/unboxing overhead would kill any performance benefit from parallelism. We didn't want to support...
How much is the overhead of smart pointers compared to normal pointers in C++?
...tps://vimeo.com/131189627
It goes deep into the implementation details and CPU architecture for write barriers, atomic locks etc. once listening you will never talk about this feature being cheap. If you just want a proof of the magnitude slower, skip the first 48 minutes and watch him running examp...
What are important languages to learn to understand different approaches and concepts? [closed]
...oreover, it is also a very universal, C compilers exist for (almost) every CPU architecture ever devised.
– dietr
May 12 '11 at 8:05
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Fastest hash for non-cryptographic uses?
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if you have the benefit/luxury of a newer Intel cpu, there is a crc32c assembly command that is...probably really fast (though isn't the traditional crc32 value). See also xxhash code.google.com/p/xxhash
– rogerdpack
Dec 2 '13 at 20:...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...e pricing plans), 2: it looks like pricing is not based on clock hours but CPU hours, which is appealing, but a little awkward, 3: permanency of data and configurations (a la EBS and AMIs) isn't clear. Nonetheless their $8 daily pass doesn't sound bad.
– Iterator
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Encrypting & Decrypting a String in C# [duplicate]
...tions was 1000, but the parameter is intended to be increased over time as CPU speeds increase. As of 2005 a Kerberos standard recommended 4096 iterations, Apple iOS 3 used 2000, iOS 4 used 10000, while in 2011 LastPass used 5000 iterations for JavaScript clients and 100000 iterations for server-sid...
Android Game Keeps Getting Hacked [closed]
... anything that can be read can also be decompiled, it just a matter of CPU power and stubborness. Obfuscation still lets the code run so while decompiling/deobfuscating the code, the cracker can still compare the running version with the original. It might delay the cracker or stop the less exp...
What's the best way to get the last element of an array without deleting it?
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@DavidMurdoch Perhaps, but it sure does churn the RAM and CPU, creating the temp array for the array values...
– Theodore R. Smith
May 5 '12 at 2:46
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How to use WeakReference in Java and Android development?
...ay well when in use. Of note, NetBeans can be brought to an effective 100% CPU stop by this.
– Tom Hawtin - tackline
Jul 14 '10 at 9:22
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