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How to JSON serialize sets?
I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection.
...
Given a view, how do I get its viewController?
...nd
This macro avoids category pollution:
#define UIViewParentController(__view) ({ \
UIResponder *__responder = __view; \
while ([__responder isKindOfClass:[UIView class]]) \
__responder = [__responder nextResponder]; \
(UIViewController *)__responder; \
})
...
What is the difference between C# and .NET?
...ment 0x00000200
.stackreserve 0x00100000
.subsystem 0x0003 // WINDOWS_CUI
.corflags 0x00000001 // ILONLY
// Image base: 0x05DB0000
// =============== CLASS MEMBERS DECLARATION ===================
.class public auto ansi beforefieldinit Example.Class1
extends [mscorlib]System.Objec...
A semantics for Bash scripts?
...s not terribly robust, but it is instructive:
#!/usr/bin/env python
from __future__ import print_function
import os, sys
'''Hacky barebones shell.'''
try:
input=raw_input
except NameError:
pass
def main():
while True:
cmd = input('prompt> ')
args = cmd.split()
if not args:
...
Can you run GUI applications in a Docker container?
... value of FamilyWild is 65535 or 0xffff.
docker build -t xeyes - << __EOF__
FROM debian
RUN apt-get update
RUN apt-get install -qqy x11-apps
ENV DISPLAY :0
CMD xeyes
__EOF__
XSOCK=/tmp/.X11-unix
XAUTH=/tmp/.docker.xauth
xauth nlist :0 | sed -e 's/^..../ffff/' | xauth -f $XAUTH nmerge -
docker...
How to check if all elements of a list matches a condition?
... items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
True
>>> items = [[1, 2, 0], [1, 2, 1], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
False
Note that all(flag == 0 for (_, _, flag) in items) is directly equivalent to all(...
Any gotchas using unicode_literals in Python 2.6?
...ng: utf-8
name = 'helló wörld from two'
one.py
# encoding: utf-8
from __future__ import unicode_literals
import two
name = 'helló wörld from one'
print name + two.name
The output of running python one.py is:
Traceback (most recent call last):
File "one.py", line 5, in <module>
...
Regular expression for a string that does not start with a sequence
...ng this program , but I need to ignore ones that start with the label "tbd_". So far I have something like [^tbd_] but that simply not match those characters.
...
How to convert currentTimeMillis to a date in Java?
...mMonth = calendar.get(Calendar.MONTH);
int mDay = calendar.get(Calendar.DAY_OF_MONTH);
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Subprocess changing directory
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@The_Diver That's why cd must be implemented as internal shell command. There's no other way to do it. Internal shell commands are executed within the same process as the shell. What I meant by subshell is the shell executed for ...