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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...能，只需要将"#define NDEBUG"这行注释掉即可，注意在提交补丁时要将注释符号去掉。
加入我们的调试消息
首先要确保已经包含了debug.h头文件
#include 〈debug.h〉
使用DPRINT或DPRINT1，两者功能都和printf类似，但是代码不同 。
WINE...
Converting a String to DateTime
...eTime(format: "ddMMyyyy"); // {29.02.1996 00:00:00}
mydate = "2016 3";
date = mydate.ToDateTime("yyyy M"); // {01.03.2016 00:00:00}
mydate = "2016 12";
date = mydate.ToDateTime("yyyy d"); // {12.01.2016 00:00:00}
mydate = "2016/31/05 13:...
How to convert index of a pandas dataframe into a column?
...ke:
>>> df
val
tick tag obs
2016-02-26 C 2 0.0139
2016-02-27 A 2 0.5577
2016-02-28 C 6 0.0303
and you want to convert the 1st (tick) and 3rd (obs) levels in the index into columns, you would do:
>>> df.reset_index(level=['tick...
O2O江湖:2015大洗牌 2016 BAT等巨头将“肉搏” - 资讯 - 清泛网 - 专注C/C++及内核技术
O2O江湖:2015大洗牌 2016 BAT等巨头将“肉搏”最冷的寒潮已经过去，春天的脚步将至，我们乐见O2O的重生，笑看曾经的模式辞旧迎新，迸发出新的活力。去年跨年前后，朋友圈几乎被各式的O2O盘点文给刷屏了，一年之后，2016年的1...
How do I get an ISO 8601 date on iOS?
...:
let formatter = ISO8601DateFormatter()
let date = formatter.date(from: "2016-08-26T12:39:00Z")
let string = formatter.string(from: Date())
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f...
How to get the start time of a long-running Linux process?
... STARTED
1 Tue Jun 7 01:29:38 2016 /sbin/init
2 Tue Jun 7 01:29:38 2016 [kthreadd]
3 Tue Jun 7 01:29:38 2016 [ksoftirqd/0]
5 Tue Jun 7 01:29:38 2016 [kworker/0:0H]
7 Tue J...
WaitAll vs WhenAll
...ecutes with await Task.WhenAll(taskArray) the output is as follows.
19/11/2016 12:18:37 AM: Task 1 started
19/11/2016 12:18:37 AM: Task 3 started
19/11/2016 12:18:37 AM: Task 2 started
Caught Exception in Main at 19/11/2016 12:18:40 AM: Task 1 throwing at 19/11/2016 12:18:38 AM
Done.
When the pro...
Javascript calculate the day of the year (1 - 366)
... / 24 / 60 / 60 / 1000;
}
You can test it with the following:
[new Date(2016,0,1), new Date(2016,1,1), new Date(2016,2,1), new Date(2016,5,1), new Date(2016,11,31)]
.forEach(d =>
console.log(`${d.toLocaleDateString()} is ${daysIntoYear(d)} days into the year`));
Which outputs fo...
2016创业不是坑,是太坑！总结给创业者的七条建议！ - 资讯 - 清泛网 - 专注...
2016创业不是坑,是太坑！总结给创业者的七条建议！创业者 七条建议一、国内外倒闭的独角兽型创业公司下面这13家公司，获得的投资超过了1亿美元，本可以成为真正的独角兽，但是最终因策略失误而死去。1、国外...
一、国内...
Multiple working directories with Git?
...r, you need to manually update the gitdir file.
See commit 618244e (22 Jan 2016), and commit d4cddd6 (18 Jan 2016) by Nguyễn Thái Ngọc Duy (pclouds).
Helped-by: Eric Sunshine (sunshineco).
(Merged by Junio C Hamano -- gitster -- in commit d0a1cbc, 10 Feb 2016)
The new doc in git 2.8 (March 2016...