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How to convert an integer to a string in any base?
Python allows easy creation of an integer from a string of a given base via
27 Answers
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rgdal package installation
...ibgdal1-dev libproj-dev
One tip that can be useful, still under a Debian based system, is to install the apt-file package and run :
$ sudo apt-file update
Then, when you get an error such as :
configure: error: proj_api.h not found in standard or given locations.
You can use the following co...
Encrypt and decrypt a string in C#?
... //While an app specific salt is not the best practice for
//password based encryption, it's probably safe enough as long as
//it is truly uncommon. Also too much work to alter this answer otherwise.
private static byte[] _salt = __To_Do__("Add a app specific salt here");
/// <s...
How to determine an interface{} value's “real” type?
...
I'm going to offer up a way to return a boolean based on passing an argument of a reflection Kinds to a local type receiver (because I couldn't find anything like this).
First, we declare our anonymous type of type reflect.Value:
type AnonymousType reflect.Value
Then w...
Timer function to provide time in nano seconds using C++
...en RDTSC and your system's built-in clock facilities (which will likely be based on clock(), clock_gettime() and/or QueryPerformanceCounter.
Note that the RDTSC instruction is x86-specific. QueryPerformanceCounter is Windows only. And clock_gettime() is POSIX only. Below I introduce two new cloc...
C/C++ NaN constant (literal)?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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In Java, what is the best way to determine the size of an object?
... with piles of data rows. I give the user a summary of the number of rows based on types of data, but I want to make sure that I don't read in too many rows of data and cause OutOfMemoryError s. Each row translates into an object. Is there an easy way to find out the size of that object programm...
ASP.NET Identity's default Password Hasher - How does it work and is it secure?
...);
Buffer.BlockCopy(buffer2, 0, dst, 0x11, 0x20);
return Convert.ToBase64String(dst);
}
Verifying:
public static bool VerifyHashedPassword(string hashedPassword, string password)
{
byte[] buffer4;
if (hashedPassword == null)
{
return false;
}
if (password == nu...
How do I find which rpm package supplies a file I'm looking for?
...86_64 : The GNU versions of grep pattern matching utilities.
Repo : base
Matched from:
Filename : /bin/grep
You may prefer the output and speed of the repoquery tool, available in the yum-utils package.
sudo yum install yum-utils
repoquery --whatprovides '*bin/grep'
grep-0:2.5.1-55.el5....
How to find the type of an object in Go?
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Based on a barebones benchmark, the reflect approach is surprisingly more efficient gist.github.com/mrap/7f08c9549289b6aea2923c27888e7e3e
– Mike Rapadas
Apr 6 '17 at 20:53
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