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What is the most compatible way to install python modules on a Mac?
...r elixir
( make sure you always type pip-(version) )
That will build an extra Python library in your home dir. Yes, Python will work with more than one library location: one controlled by MacPorts and a user local one for everything missing within MacPorts.
Now notice that I favor pip over easy_...
I need to securely store a username and password in Python, what are my options?
...assword` to save username onto keyring
# we're just using some known magic string in the username field
keyring.set_password(service_id, MAGIC_USERNAME_KEY, username)
Later to get your info from the keyring
# again, abusing `get_password` to get the username.
# after all, the keyring is just a ke...
Static linking vs dynamic linking
... require a some kind of glue layer which often means double dispatch or an extra layer of indirection in function addressing and can cost a little speed (but is function calling time actually a big part of your running time???).
However, if you are running multiple processes which all call the same...
How do I get bit-by-bit data from an integer value in C?
...s:
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char** argv)
{
unsigned
input = 0b0111u,
n_bits = 4u,
*bits = (unsigned*)malloc(sizeof(unsigned) * n_bits),
bit = 0;
for(bit = 0; bit < n_bits; ++bit)
bits[bit] = (input >...
How to pass event as argument to an inline event handler in JavaScript?
...ating data binding capabilities available in mainstream js frameworks. One extra trick is to do something similar to Object.assign(this.querySelector('my-btn'), this) inside a web component and voila, data binding. You can access any method of the parent web component class from the inline events on...
Why does Java's Arrays.sort method use two different sorting algorithms for different types?
...objects, maybe space is not a critically
important consideration and the extra space used by a merge sort maybe
not a problem. And if a programmer is using primitive types, maybe
the performance is the most important thing so they use quick sort."
...
Powershell v3 Invoke-WebRequest HTTPS error
...s): "The remote server returned an error: (406) Not Acceptable." At line:4 char:1 + $wc.DownloadString($url) + ~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : WebException
– floyd
...
How to tell if a tag failed to load
...ISS IMHO).
From the spec:
If the src attribute's value is the
empty string or if it could not be
resolved, then the user agent must
queue a task to fire a simple event
named error at the element, and
abort these steps.
~
If the load resulted in an error (for
example a DNS erro...
Git: How to remove file from historical commit?
...
You can use git-extras tool. The obliterate command completely remove a file from the repository, including past commits and tags.
https://github.com/tj/git-extras/blob/master/Commands.md
...
Why are only final variables accessible in anonymous class?
...c final int a = 3;
or as a local variable, like
public static void main(String[] args)
{
final int a = 3;
If you want to access and modify a variable from an anonymous class, you might want to make the variable a class-level variable in the enclosing class.
public class Test
{
public int a;
...