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Why split the tag when writing it with document.write()?
...to detect protocol - protocol-less URI works just fine ('//foo.com/bar.js' etc)
– dmp
Jul 15 '16 at 12:35
3
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cleanest way to skip a foreach if array is empty [duplicate]
...anguage. PHP variable can store anything, that's why is_array, is_numeric, etc are needed functions.
– Daniel Wu
Nov 22 '19 at 5:41
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Relative paths in Python
...e on my system (python 2.5.1 on OS X 10.5.7):
#foo.py
import os
print os.getcwd()
print __file__
#in the interactive interpreter
>>> import foo
/Users/jason
foo.py
#and finally, at the shell:
~ % python foo.py
/Users/jason
foo.py
However, I do know that there are some quirks with __fil...
JavaScript and Threads
...ecs" no need to hack javascript anymore with setTimeout(), setInterval(), etc.
HTML5 & Friends introduces the javascript Web Workers specification. It is an API for running scripts asynchronously and independently.
Links to the specification and a tutorial.
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Perform .join on value in array of objects
...rscore.js which has tons of utilities for dealing with arrays, collections etc.
With underscore you could do this easily with one line of code:
_.pluck(arr, 'name').join(', ')
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Append an object to a list in R in amortized constant time, O(1)?
... up to about a kB per node for my applications. I hold on to large arrays, etc.
– Ana Nimbus
Feb 1 at 6:23
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How to Apply Gradient to background view of iOS Swift App
...en you add a sublayer it may sit over all your other items, labels, image, etc. To overcome this create another view that sits below everything and set its constraints to that of the container you want the gradient in. Then set the gradient to be applied to this view. Subviews will then be inserted ...
Execution of Python code with -m option or not
...sion 3.4):
python -Im pdb
usage: pdb.py [-c command] ... pyfile [arg] ...
etc...
from the docs:
-I
Run Python in isolated mode. This also implies -E and -s. In isolated mode sys.path contains neither the script’s directory nor the user’s site-packages directory. All PYTHON* environme...
Python Progress Bar
... your needs by customizing: bar progress symbol '#', bar size, text prefix etc.
import sys
def progressbar(it, prefix="", size=60, file=sys.stdout):
count = len(it)
def show(j):
x = int(size*j/count)
file.write("%s[%s%s] %i/%i\r" % (prefix, "#"*x, "."*(size-x), j, count))
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What are POD types in C++?
...l built-in data types (e.g. int, char, float, long, unsigned char, double, etc.) and all aggregation of POD data. Yes, it's a recursive definition. ;)
To be more clear, a POD is what we call "a struct": a unit or a group of units that just store data.
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