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WPF chart controls [closed]
...visualization library. Unfortunately it's not been updated since April 30, 2009.
OxyPlot
Free tools without built in pan / zoom support:
WPF Toolkit. Supports most important 2D charts, you'll have to implement pan / zoom yourself.
WPF Toolkit Development Release. Supports stacked charts, equivalen...
重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...构的，架构的问题咱们在这儿就不展开聊了：）
代码V1版
遵循tsf4j的tapp写法，ServerCenterApp类是后台程序的主逻辑类，其中process_pkg是消息处理的主逻辑函数。会对不同的消息调用不同的消息processor函数。而每个消息processor函...
Calculate difference between two dates (number of days)?
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DateTime xmas = new DateTime(2009, 12, 25);
double daysUntilChristmas = xmas.Subtract(DateTime.Today).TotalDays;
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How to track down a “double free or corruption” error
...1
==20859== Memcheck, a memory error detector
==20859== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al.
==20859== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright info
==20859== Command: ./t1
==20859==
==20859== Invalid free() / delete / delete[]
==20859== at 0x4A05A31...
Get day of week in SQL Server 2005/2008
If I have a date 01/01/2009, I want to find out what day it was e.g. Monday, Tuesday, etc...
10 Answers
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Does Python optimize tail recursion?
...prefers to be able to have proper tracebacks:
Tail Recursion Elimination (2009-04-22)
Final Words on Tail Calls (2009-04-27)
You can manually eliminate the recursion with a transformation like this:
>>> def trisum(n, csum):
... while True: # Change recursion to a...
Android: open activity without save into the stack
...answered Sep 25 '13 at 15:05
dac2009dac2009
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Converting a String to DateTime
How do you convert a string such as 2009-05-08 14:40:52,531 into a DateTime ?
17 Answers
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SQL query to group by day
...reated)) will return the day created
for example, if the sale created on '2009-11-02 06:12:55.000',
dateadd(DAY,0, datediff(day,0, created)) return '2009-11-02 00:00:00.000'
select sum(amount) as total, dateadd(DAY,0, datediff(day,0, created)) as created
from sales
group by dateadd(DAY,0, datediff...