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How to escape os.system() calls?
...ameters to commands. How can I do this? Preferably something that would work on multiple operating systems/shells but in particular for bash.
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Python string prints as [u'String']
...se double-check that your data is really ASCII. This is pretty rare. Much more likely it's latin-1 or utf-8.
soup[0].encode("latin-1")
soup[0].encode("utf-8")
Or you ask Beautiful Soup what the original encoding was and get it back in this encoding:
soup[0].encode(soup.originalEncoding)
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If a folder does not exist, create it
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As others have said, use System.IO.Directory.CreateDirectory
But, you don't need to check if it exists first. From the docs
Any and all directories specified in path are created, unless they already exist or unless some part of path is invalid. If the director...
What is the difference between JSF, Servlet and JSP?
... text in client side languages (like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-known taglib is JSTL. JSP also supports Expression Language, which can be used to access backend data (via...
Safest way to convert float to integer in python?
Python's math module contain handy functions like floor & ceil . These functions take a floating point number and return the nearest integer below or above it. However these functions return the answer as a floating point number. For example:
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What is the difference between currying and partial application?
...ied, becomes:
function f(x) { lambda(y) { lambda(z) { z(x(y)); } } }
In order to get the full application of f(x,y,z), you need to do this:
f(x)(y)(z);
Many functional languages let you write f x y z. If you only call f x y or f(x)(y) then you get a partially-applied function—the return valu...
What is the JavaScript >>> operator and how do you use it?
...ugh JavaScript's Numbers are double-precision floats(*), the bitwise operators (<<, >>, &, | and ~) are defined in terms of operations on 32-bit integers. Doing a bitwise operation converts the number to a 32-bit signed int, losing any fractions and higher-place bits than 32, before ...
What is the difference between g++ and gcc?
... is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
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What is the difference between a generative and a discriminative algorithm?
...nderstand the difference between a generative and a
discriminative algorithm, keeping in mind that I am just a beginner.
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`from … import` vs `import .` [duplicate]
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It depends on how you want to access the import when you refer to it.
from urllib import request
# access request directly.
mine = request()
import urllib.request
# used as urllib.request
mine = urllib.request()
You can also alias things yourself when you import fo...