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Is it possible to use Java 8 for Android development?
...es which are executed by Oracle VirtualBox. Its single user license is for free and it can be downloaded from http://www.genymotion.com. Only a login is required and it can also be integrated into Eclipse. Details can be found under:
https://cloud.genymotion.com/page/doc/#collapse8
Below is a scr...
C++ equivalent of java's instanceof
...ptance interface of course).
As pointed out dynamic_cast doesn't come for free. A simple and consistently performing hack that handles most (but not all cases) is basically adding an enum representing all the possible types your class can have and check whether you got the right one.
if(old->g...
Understanding REST: Verbs, error codes, and authentication
...is from what URLs you should be using. The URLs will effectively come "for free" once you've decided upon what resources are necessary for your system AND how you will represent those resources, and the interactions between the resources and application state.
To quote Roy Fielding
A REST API s...
Why would I use Scala/Lift over Java/Spring? [closed]
...e incomplete. The LiftWeb Book has been published on trees, but it's also freely available online. It is really useful, although its decidedly didactic style irritated me at times. It's a little long on tutorial and short on contract. Spring has a proper manual, which Lift lacks.
But Lift does ...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...lt;< (10000.0*size)/(duration) << " GB/s" << endl;
}
free(charbuffer);
}
An equally interesting benchmark can be found here: http://pastebin.com/kbzgL8si
This benchmark varies the number of popcnts that are in the (false) dependency chain.
False Chain 0: 41959360000 0.57...
What C++ Smart Pointer Implementations are available?
...e: Not all pointers are going to be pointing to something allocated on the free store.
– In silico
Sep 4 '11 at 0:25
2
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Java 256-bit AES Password-Based Encryption
...e, I've attempted to update Doug's code with the recommended changes. Feel free to edit to make it better.
Initialization Vector is no longer fixed
encryption key is derived using code from erickson
8 byte salt is generated in setupEncrypt() using SecureRandom()
decryption key is generated from th...
What techniques can be used to speed up C++ compilation times?
... reason, using unnamed namespaces is discouraged in the header files. Feel free to use them in your .cc files to avoid symbols showing up in your binary files. In some cases, changing all the internal details for a .cc file showed a 10% reduction in the generated binary sizes.
Changing visibility op...
What is a mixin, and why are they useful?
... a single class Iterator
then the class gets an __iter__ mixin method for free.
Therefore at least on this point of the documentation, mixin does not not require multiple inheritance, and is coherent with Definition 1.
The documentation could of course be contradictory at different points, and othe...
What does the `forall` keyword in Haskell/GHC do?
...of its translation to the GADT form than on its own, but you are certainly free to think otherwise.
– dfeuer
Feb 8 '15 at 13:46
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