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Why is XOR the default way to combine hashes?
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answering to the exercise: from the 16 possible different a XXX b operations (0, a & b, a > b, a, a < b, b, a % b, a | b, !a & !b, a == b, !b, a >= b, !a, a <= b, !a | !b, 1), the following have 50%-50% distributions of 0s and 1s, a...
Write applications in C or C++ for Android? [closed]
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For anyone coming to this via Google, note that starting from SDK 1.6 Android now has an official native SDK.
You can download the Android NDK (Native Development Kit) from here:
https://developer.android.com/ndk/downloads/index.html
Also there is an blog post about the NDK:
ht...
Re-raise exception with a different type and message, preserving existing information
... exception hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly, if needed. But many of the exceptions raised f...
End of support for python 2.7?
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As of 13 Apr 2014, from http://hg.python.org/peps/rev/76d43e52d978 (PEP 373, Python 2.7 Release Schedule):
The End Of Life date (EOL, sunset date) for Python 2.7 has been moved
five years into the future, to 2020. This decision was made ...
Classes vs. Modules in VB.NET
... is probably bad. I should have said VB counterparts to C# static classes. From that statement, I meant to say using a Module makes sense where you'd write a static class in C#.
– Mehrdad Afshari
May 19 '09 at 14:26
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Convert MySQL to SQlite [closed]
Is it possible to convert from MySQL to SQLite with a free tool on windows?
15 Answers
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Creating JS object with Object.create(null)?
...or.prototype == Object.prototype while Object.create(null) doesn't inherit from anything and thus has no properties at all.
In other words: A javascript object inherits from Object by default, unless you explicitly create it with null as its prototype, like: Object.create(null).
{} would instead b...
Is it possible to declare a variable in Gradle usable in Java?
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Here are two ways to pass value from Gradle to use in Java;
Generate Java Constants
android {
buildTypes {
debug {
buildConfigField "int", "FOO", "42"
buildConfigField "String", "FOO_STRING", "\"foo\""
buildC...
jquery - fastest way to remove all rows from a very large table
...grid library such as the excellent DataTables to load your data on the fly from the server, increasing the number of network calls, but decreasing the size of those calls. I had a very complicated table with 1500 rows that got quite slow, changing to the new AJAX based table made this same data seem...
How do I add files and folders into GitHub repos?
...2e master -> master
Branch master set up to track remote branch master from origin.
The files have been pushed successfully to the remote repository.
Running a git pull origin master to ensure you have absorbed any upstream changes
$ git pull origin master
remote: Counting objects: 12, done....