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What is the memory consumption of an object in Java?
...ive to useful payload (2 bytes for each char plus 4 bytes for the length), ranges from 100 to 400 percent.
Alignment
Consider this example object:
class X { // 8 bytes for reference to the class definition
int a; // 4 bytes
byte b; ...
In pure functional languages, is there an algorithm to get the inverse function?
...u can enumerate the domain of the function and can compare elements of the range for equality, you can - in a rather straightforward way. By enumerate I mean having a list of all the elements available. I'll stick to Haskell, since I don't know Ocaml (or even how to capitalise it properly ;-)
What ...
How to get the return value from a thread in python?
...ading import Thread
threads = [None] * 10
results = [None] * 10
for i in range(len(threads)):
threads[i] = Thread(target=foo, args=('world!', results, i))
threads[i].start()
# do some other stuff
for i in range(len(threads)):
threads[i].join()
print " ".join(results) # what sound d...
Is modern C++ becoming more prevalent? [closed]
...ak of is clearly visible there: the older code is often "C with classes" - raw pointers, char* strings and use of associated C functions, arrays etc; newer code uses ATL smart pointers and such to manage resources, but still sticks to hand-coded loops most of the time, and iterator is a rare sight; ...
What is the fundamental difference between WebSockets and pure TCP?
...easier to send messages over the wire via the Application Layer instead of raw bytes at the Transport Layer.
Underlying WebSockets is TCP, it's just abstracted away for simplicity.
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Why have header files and .cpp files? [closed]
...ge about the other CPP files (or even libraries), unless fed to it through raw declaration or header inclusion. The CPP file is usually compiled into a .OBJ or a .O "object" file.
The second is the linking together of all the "object" files, and thus, the creation of the final binary file (either a ...
Why prefer two's complement over sign-and-magnitude for signed numbers?
... signed or unsigned integer or a double or a string or something else. The raw data is whatever type you choose to interpret it as.
– Welbog
Jul 2 '15 at 19:23
3
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Code for decoding/encoding a modified base64 URL
...ion that worked for me when parsing a message in the GMail API v1 (Message.Raw)
– HeyZiko
Apr 18 '15 at 18:22
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Encapsulation vs Abstraction?
...ils of transmitting bits over a network. If you go down all the way to the raw silicon, the people who designed your CPU did so using circuit diagrams written in terms of "diodes" and "transistors", which are abstractions of how electrons travel through semiconductor crystals.
In software, everythi...
How to install grunt and how to build script with it
...nit for creating Gruntfile.js if you want wizard-based creation instead of raw coding for step 5.
To do so, please follow these steps:
npm install -g grunt-init
git clone https://github.com/gruntjs/grunt-init-gruntfile.git ~/.grunt-init/gruntfile
grunt-init gruntfile
For Windows users: If you a...