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Installing python module within code
...n my script.
Maybe there's some module or distutils ( distribute , pip etc.) feature which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv.
...
Rails Root directory path?
...
[
rails_root.join('app', 'models'),
# Add your decorators, services, etc.
].each do |path|
$LOAD_PATH.unshift path.to_s
end
Which allows you to easily load Plain Old Ruby Objects from their spec files.
# spec/models/poro_spec.rb
require 'spec_helper'
require 'poro'
RSpec.describe ...
...
Escape a string for a sed replace pattern
.../[\/&]/\\&/g')/g" $3
}
Here's how you use it:
sedeasy "include /etc/nginx/conf.d/*" "include /apps/*/conf/nginx.conf" /etc/nginx/nginx.conf
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Reserved keywords in JavaScript
What JavaScript keywords (function names, variables, etc) are reserved?
8 Answers
8
...
Why prefer two's complement over sign-and-magnitude for signed numbers?
...be added. Since you want the most basic operations (addition, subtraction, etc) to be as fast as possible, you need to store numbers in a way that lets you use the simplest algorithms possible.
Additionally, in the "intuitive" storage method, there are two zeroes:
0000 "zero"
1000 "negative zero...
Disable output buffering
...g for a whole
python process using "python -u"
(or#!/usr/bin/env python -u etc) or by
setting the environment variable
PYTHONUNBUFFERED.
You could also replace sys.stdout with
some other stream like wrapper which
does a flush after every call.
class Unbuffered(object):
def __init__(self, stream):...
How to implement the --verbose or -v option into a script?
...ut many *nix commands also support multiple levels of verbosity (-v -v -v, etc), which might get messy this way.
– TextGeek
Apr 9 '19 at 13:41
add a comment
...
How to run a program without an operating system?
...;
};
}
entry.S
.code16
.text
.global mystart
mystart:
ljmp $0, $.setcs
.setcs:
xor %ax, %ax
mov %ax, %ds
mov %ax, %es
mov %ax, %ss
mov $__stack_top, %esp
cld
call main
linker.ld
ENTRY(mystart)
SECTIONS
{
. = 0x7c00;
.text : {
entry.o(.text)
*(.text)
...
Should all Python classes extend object?
... double-underscore methods, descriptors, super() method, property() method etc.
Example 1.
class MyClass:
pass
Example 2.
class MyClass():
pass
Example 3.
class MyClass(object):
pass
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