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unsigned int vs. size_t
...might make assumption about it": I would hope the compiler knows the exact range of values that size_t can represent! If it doesn't, who does?
– Marc van Leeuwen
Jun 15 '14 at 5:42
...
Using pickle.dump - TypeError: must be str, not bytes
...ile_object.write(serialized)
with open(filename,'rb') as file_object:
raw_data = file_object.read()
deserialized = pickle.loads(raw_data)
print("Loading from serialized file: ")
user2 = deserialized
print(user2.name)
print("------------")
...
Traverse a list in reverse order in Python
..., I'd write a generator.
def reverse_enum(L):
for index in reversed(xrange(len(L))):
yield index, L[index]
L = ['foo', 'bar', 'bas']
for index, item in reverse_enum(L):
print index, item
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...
Why is there no tuple comprehension in Python?
...se splat * unpacking syntax to unpack a generator expresion:
*(x for x in range(10)),
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Best way to store JSON in an HTML attribute?
... it was in PHP? — You're setting attributes of DOM nodes, not generating raw HTML, the browser will take care of it.
– Quentin
Sep 6 '11 at 16:03
...
When should I use UNSIGNED and SIGNED INT in MySQL?
... negative numbers (i.e., may have a negative sign).
Here's a table of the ranges of values each INTEGER type can store:
Source: http://dev.mysql.com/doc/refman/5.6/en/integer-types.html
UNSIGNED ranges from 0 to n, while signed ranges from about -n/2 to n/2.
In this case, you have an AUTO_INCRE...
Find if current time falls in a time range
...hes? For example I want to count how many saturdays and sundays are in the range.
– pbies
Sep 4 '13 at 19:28
@pmbiesia...
How to change to an older version of Node.js
... Node Version Manager.
Use following command to get nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
You can find it at https://github.com/creationix/nvm
It allows you to easily install and manage multiple versions of node. Here's a snippet from the help:...
Difference between Python's Generators and Iterators
....
For example, a generator such as:
def squares(start, stop):
for i in range(start, stop):
yield i * i
generator = squares(a, b)
or the equivalent generator expression (genexp)
generator = (i*i for i in range(a, b))
would take more code to build as a custom iterator:
class Squares(obj...
What's the difference between equal?, eql?, ===, and ==?
...ly useful. Examples of things which have interesting === implementations:
Range
Regex
Proc (in Ruby 1.9)
So you can do things like:
case some_object
when /a regex/
# The regex matches
when 2..4
# some_object is in the range 2..4
when lambda {|x| some_crazy_custom_predicate }
# the lambda ret...