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TypeScript static classes
...with javascript so it doesn't make much sense
– Simon_Weaver
May 23 '14 at 1:59
4
@Simon_Weaver Y...
How to join components of a path when you are constructing a URL in Python
...e os.path at run time based on the current OS.
# os.py
import sys, errno
_names = sys.builtin_module_names
if 'posix' in _names:
# ...
from posix import *
# ...
import posixpath as path
# ...
elif 'nt' in _names:
# ...
from nt import *
# ...
import ntpath as p...
How to get line count of a large file cheaply in Python?
...
One line, probably pretty fast:
num_lines = sum(1 for line in open('myfile.txt'))
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How to convert an xml string to a dictionary?
...ree import cElementTree as ElementTree
class XmlListConfig(list):
def __init__(self, aList):
for element in aList:
if element:
# treat like dict
if len(element) == 1 or element[0].tag != element[1].tag:
self.append(XmlDictC...
Socket.IO - how do I get a list of connected sockets/clients?
...lients('room');
anymore. Instead you can use the following
var clients_in_the_room = io.sockets.adapter.rooms[roomId];
for (var clientId in clients_in_the_room ) {
console.log('client: %s', clientId); //Seeing is believing
var client_socket = io.sockets.connected[clientId];//Do whatever y...
Unix's 'ls' sort by name
...in some cases (for instance, %foo will sort between bar and quux in LANG=en_US). If you want an ASCIIbetical sort, use
LANG=C ls
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Calculating frames per second in a game
... like float weightRatio = 0.1; and time = time * (1.0 - weightRatio) + last_frame * weightRatio
– korona
Nov 11 '08 at 10:04
2
...
Defining private module functions in python
According to http://www.faqs.org/docs/diveintopython/fileinfo_private.html :
9 Answers
...
Progress indicator during pandas operations
...iceably slow pandas down -- here's an example for DataFrameGroupBy.progress_apply:
import pandas as pd
import numpy as np
from tqdm import tqdm
# from tqdm.auto import tqdm # for notebooks
df = pd.DataFrame(np.random.randint(0, int(1e8), (10000, 1000)))
# Create and register a new `tqdm` instance...
Can modules have properties the same way that objects can?
...ance. So, for example, your m.py module file could be:
import sys
class _M(object):
def __init__(self):
self.c = 0
def afunction(self):
self.c += 1
return self.c
y = property(afunction)
sys.modules[__name__] = _M()
...