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What is the point of a private pure virtual function?
... You can read more about it in his article "Virtuality".
There is however one more interesting thing in the code you presented, that deserves some more attention, in my opinion. The public interface consists of a set of overloaded non-virtual functions and those functions call non-public, non-overl...
How to implement a ConfigurationSection with a ConfigurationElementCollection
...ep running up against exceptions that I do not understand. I am hoping someone can fill in the blanks here.
5 Answers
...
Run javascript function when user finishes typing instead of on key up?
...ts start a timer when the user releases a key and clear it when they press one. I decided the input in question will be #myInput.
Making a few assumptions...
//setup before functions
var typingTimer; //timer identifier
var doneTypingInterval = 5000; //time in ms, 5 second for exam...
“tag already exists in the remote" error after recreating the git tag
... so I am adding a note here. If you replace a tag on a central server, anyone who has the old tag—any clone of that central-server repository that already has the tag—could retain its old tag. So while this tells you how to do it, be really sure you want to do it. You'll need to get everyone ...
Simple regular expression for a decimal with a precision of 2
...?)?
More compact:
\d+(\.\d{1,2})?
Both assume that both have at least one digit before and one after the decimal place.
To require that the whole string is a number of this form, wrap the expression in start and end tags such as (in Perl's form):
^\d+(\.\d{1,2})?$
To match numbers without a...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...s to solve this problem. I have tested many approaches that have been mentioned in different web sites, but non of them worked. Finally I changed my code and found out what was the problem. I'll try to tell you about different approaches and sum them up here.
While I was seeking the internet to fin...
Twitter Bootstrap vs jQuery UI? [closed]
... have pretty good CSS3 support. Bootstrap is starting to look good for me. One question. I am using ASP.MVC. I noticed something about needing less. Will Boostrap work okay with the Microsoft ASP MVC platform? Where does "less" fit in?
– Jessica
Mar 20 '12 at 7...
What's the function like sum() but for multiplication? product()?
...our data consists of floats, you can compute a product using sum() with exponents and logarithms:
>>> from math import log, exp
>>> data = [1.2, 1.5, 2.5, 0.9, 14.2, 3.8]
>>> exp(sum(map(log, data)))
218.53799999999993
>>> 1.2 * 1.5 * 2.5 * 0.9 * 14.2 * 3.8
218....
Index all *except* one item in python
...port numpy as np
>>> arr = np.arange(1,10)
>>> mask = np.ones(arr.shape,dtype=bool)
>>> mask[5]=0
>>> arr[mask]
array([1, 2, 3, 4, 5, 7, 8, 9])
Something similar can be achieved using itertools without numpy
>>> from itertools import compress
>>&...
How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
...
This code uses the fact that getTimezoneOffset returns a greater value during Standard Time versus Daylight Saving Time (DST). Thus it determines the expected output during Standard Time, and it compares whether the output of the given date the same (Standard) o...