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为什么我们程序员写不出好代码？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...求在数天里完成相应的功能，因此我们可能会偷工减料、补丁代码等。聪明的项目经理在弄清事后必须补上的“债务”后，形象的称它为“技术债务”。
每个项目都会有一定的技术债务，有的可能会快速还清，而有的可能会在...
提升速度：XP注册表与驱动优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...网站下载。
2、如果是非Intel芯片组的主板，安装相应的补丁程序是必不可少的，如VIA的4in1程序等等。
3、尽量使用通过了WHL认证的驱动程序。这种驱动程序通过了微软硬件实验室的认证，在稳定性和兼容性上有很大的优势。
...
How to delete history of last 10 commands in shell?
...to see):
history | tail -n 10
This gives me something like
1003 25-04-2016 17:54:52 echo "Command 1"
1004 25-04-2016 17:54:54 echo "Command 2"
1005 25-04-2016 17:54:57 echo "Command 3"
1006 25-04-2016 17:54:59 echo "Command 4"
1007 25-04-2016 17:55:01 echo "Command 5"
1008 25-04-2016 17:55...
JavaScript function to add X months to a date
...date.setDate(0);
}
return date;
}
// Add 12 months to 29 Feb 2016 -> 28 Feb 2017
console.log(addMonths(new Date(2016,1,29),12).toString());
// Subtract 1 month from 1 Jan 2017 -> 1 Dec 2016
console.log(addMonths(new Date(2017,0,1),-1).toString());
// Subtract 2 months fro...
成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
...前的所有工作，只是在满身疮痍的windows系统上不停的打补丁。无论打多少都逃不开产品衰落、被人鄙视的命运。
很多人的命运，都像是上面那个微软工程师。只需要降级，就能创造更大的价值，也能获得更大的满足。那为什...
Add missing dates to pandas dataframe
... by date:
df = pd.DataFrame({
'timestamps': pd.to_datetime(
['2016-11-15 1:00','2016-11-16 2:00','2016-11-16 3:00','2016-11-18 4:00']),
'values':['a','b','c','d']})
df.index = pd.DatetimeIndex(df['timestamps']).floor('D')
df
yields
timestamps values
2016-1...
Get query from java.sql.PreparedStatement [duplicate]
...4JLogger&profileSQL=true
Then you will get the SQL statement below:
2016-01-14 10:09:43 INFO MySQL - FETCH created: Thu Jan 14 10:09:43 CST 2016 duration: 1 connection: 19130945 statement: 999 resultset: 0
2016-01-14 10:09:43 INFO MySQL - QUERY created: Thu Jan 14 10:09:43 CST 2016 duration...
Parse JSON in TSQL
...
Update: As of SQL Server 2016 parsing JSON in TSQL is now possible.
Natively, there is no support. You'll have to use CLR. It is as simple as that, unless you have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask...
2016电商“死亡”名单（上半年） - 资讯 - 清泛网 - 专注IT技能提升
2016电商“死亡”名单（上半年）创业 电商 死亡名单资本寒冬，今年电商圈出现频率颇高的词，也是目前不少创业者不得不面对的窘境：当烧钱战略遇到资本寒冬，没招儿……亿邦动力网梳理2016年上...
资本寒冬，今年电商圈出...
How to get the number of days of difference between two dates on mysql?
...the values are used in the calculation.
which results in
select datediff('2016-04-14 11:59:00', '2016-04-13 12:00:00')
returns 1 instead of expected 0.
Solution is using select timestampdiff(DAY, '2016-04-13 11:00:01', '2016-04-14 11:00:00');
(note the opposite order of arguments compared to datedi...