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Bitwise operation and usage
...Bitwise operators are operators that work on multi-bit values, but conceptually one bit at a time.
AND is 1 only if both of its inputs are 1, otherwise it's 0.
OR is 1 if one or both of its inputs are 1, otherwise it's 0.
XOR is 1 only if exactly one of its inputs are 1, otherwise it's 0.
NOT is 1...
How to remove the lines which appear on file B from another file A?
...contents in file1 not in file2, to file3. And then mv file3 file1 would finally clear redundant contents in file1.
– Spectral
Jul 17 '14 at 20:48
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What is the rationale for all comparisons returning false for IEEE754 NaN values?
Why do comparisons of NaN values behave differently from all other values?
That is, all comparisons with the operators ==, =, where one or both values is NaN returns false, contrary to the behaviour of all other values.
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Best approach for GPGPU/CUDA/OpenCL in Java?
...FAIK, JavaCL / OpenCL4Java is the only OpenCL binding that is available on all platforms right now (including MacOS X, FreeBSD, Linux, Windows, Solaris, all in Intel 32, 64 bits and ppc variants, thanks to its use of JNA).
It has demos that actually run fine from Java Web Start at least on Mac and ...
What is the main difference between Inheritance and Polymorphism?
...class, then you have a Student class that extends Person, Student inherits all the things that Person has. There are some details around the access modifiers you put on the fields/methods in Person, but that's the basic idea. For example, if you have a private field on Person, Student won't see it...
Why (0-6) is -6 = False? [duplicate]
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All integers from -5 to 256 inclusive are cached as global objects sharing the same address with CPython, thus the is test passes.
This artifact is explained in detail in http://www.laurentluce.com/posts/python-integer-objec...
Run a batch file with Windows task scheduler
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I don't believe you actually need the 'Start in (optional)' value - I am able to run a simple, self-contained .bat file without it. Thank for the clear steps though - very helpful for those looking for a simple walk through!
– ...
Develop Android app using C#
...this on their site dot42 has been discontinued and is no longer supported. All sources are availabe on GitHub. The latest build is available as a binary setup. as of 5/29/2015. They did have a source download and a GitHub.
– JabberwockyDecompiler
May 30 '15 at...
What does the “assert” keyword do? [duplicate]
...sertionError();
(If you launched with -enableassertions that is.)
Formally, the Java Language Specification: 14.10. The assert Statement says the following:
14.10. The assert Statement
An assertion is an assert statement containing a boolean expression. An assertion is either enabled or d...
how to use adb command to push a file on device without sd card
...droid/sdk/platform-tools)
To check the SDCards(External and Internal) installed on your device fire these commands :
1) ./adb shell (hit return/enter)
2) cd -(hit return/enter)
now you will see the list of Directories and files from your android device
there you may find /sdcard as well as /sto...