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C++: Rounding up to the nearest multiple of a number
...-eTE80)
int roundUp(int numToRound, int multiple)
{
assert(multiple && ((multiple & (multiple - 1)) == 0));
return (numToRound + multiple - 1) & -multiple;
}
Tests
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How to Validate a DateTime in C#?
...a specific format, but I guess there are times when TryParse is better. Example use based on your original code:
DateTime value;
if (!DateTime.TryParse(startDateTextBox.Text, out value))
{
startDateTextox.Text = DateTime.Today.ToShortDateString();
}
Reasons for preferring this approach:
Cl...
Perforce for Git users? [closed]
...ore information on that can be found at: https://git.wiki.kernel.org/index.php/GitP4
Still here? Good, let's look at Perforce.
Some Terminology Differences to Sort Out
Before we get into the details we need to briefly cover a couple terminology differences between Git and Perforce.
The first is ...
Why is Python 3.x's super() magic?
In Python 3.x, super() can be called without arguments:
1 Answer
1
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如何获取IE (控件)的所有链接（包括Frameset, iframe） - C/C++ - 清泛网 -...
...（包括Frameset, iframe）IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：CComPtr<IHTMLElement> body;...CComPtr<IDispatc...IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：
CComPtr<IHTMLElement> b...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...lizing) unless the result needs to be "stringified". Gcc has features but ALL can be done with plain C version 1 (and some argue Berkeley 4.3 C is so much faster it's worth learning how to use).
**Clang (llvm) DOES NOT DO WHITE SPACE CORRECTLY for macro expansion - it adds whitespace (which certai...
How do I spool to a CSV formatted file using SQLPLUS?
...tion on IDs)
spool myfile.csv
select table_name, tablespace_name
from all_tables
where owner = 'SYS'
and tablespace_name is not null;
Output will be like:
TABLE_PRIVILEGE_MAP ,SYSTEM
SYSTEM_PRIVILEGE_MAP ,SYSTEM
...
Function return value in PowerShell
...
PowerShell has really wacky return semantics - at least when viewed from a more traditional programming perspective. There are two main ideas to wrap your head around:
All output is captured, and returned
The return keyword really just indi...
Why should I use 'li' instead of 'div'?
...t and what's not. Say if you have a list of ingredients in a recipe for example, and the user wants to skip to the instructions or just read the list, you need a list.
– Dave Markle
Feb 14 '09 at 19:57
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Finding all possible combinations of numbers to reach a given sum
How would you go about testing all possible combinations of additions from a given set N of numbers so they add up to a given final number?
...