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What exceptions should be thrown for invalid or unexpected parameters in .NET?
...
I like to use: ArgumentException, ArgumentNullException, and ArgumentOutOfRangeException.
ArgumentException – Something is wrong with the argument.
ArgumentNullException – Argument is null.
ArgumentOutOfRangeException – I don’t use this one much, but a common use is indexing into a collec...
Add Variables to Tuple
... and then converting the list to a tuple at the end:
mylist = []
for x in range(5):
mylist.append(x)
mytuple = tuple(mylist)
print mytuple
returns
(0, 1, 2, 3, 4)
I sometimes use this when I have to pass a tuple as a function argument, which is often necessary for the numpy functions.
...
Why does the expression 0 < 0 == 0 return False in Python?
...g into Queue.py in Python 2.6, I found this construct that I found a bit strange:
9 Answers
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How do I convert between big-endian and little-endian values in C++?
...wap_bytes
{
inline T operator()(T val)
{
throw std::out_of_range("data size");
}
};
template<typename T>
struct swap_bytes<T, 1>
{
inline T operator()(T val)
{
return val;
}
};
template<typename T>
struct swap_bytes<T, 2>
{
inline...
Extracting just Month and Year separately from Pandas Datetime column
...your case -- just that they are stylistically valid Pythonic choices for a range of cases.
– ely
Aug 5 '14 at 19:03
Th...
size_t vs. uintptr_t
... ptrdiff_t and intptr_t - wouldn't both of these be able to store the same range of values on almost any platform? Why have both signed and unsigned pointer-sized integer types, particularly if ptrdiff_t already serves the purpose of a signed pointer-sized integer type.
– Chris...
MongoDb query condition on comparing 2 fields
...cution. Below is my test in python:
import pymongo
from random import randrange
docs = [{'Grade1': randrange(10), 'Grade2': randrange(10)} for __ in range(100000)]
coll = pymongo.MongoClient().test_db.grades
coll.insert_many(docs)
Using aggregate:
%timeit -n1 -r1 list(coll.aggregate([
{
...
What is the use of the ArraySegment class?
... Console.WriteLine(segment.Count);
// Write the elements in the range specified in the ArraySegment.
Console.WriteLine("-- Range --");
for (int i = segment.Offset; i < segment.Count+segment.Offset; i++)
{
Console.WriteLine(segment.Array[i]);
...
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...