大约有 45,000 项符合查询结果(耗时:0.0513秒) [XML]

https://stackoverflow.com/ques... 

How to make good reproducible pandas examples

Having spent a decent amount of time watching both the r and pandas tags on SO, the impression that I get is that pandas questions are less likely to contain reproducible data. This is something that the R community has been pretty good about encouraging, and thanks to guides like this , newc...
https://stackoverflow.com/ques... 

How to get scrollbar position with Javascript?

...iew is. My guess is that I have to detect where the thumb on the track is, and then the height of the thumb as a percentage of the total height of the track. Am I over-complicating it, or does JavaScript offer an easier solution than that? Any ideas code-wise? ...
https://stackoverflow.com/ques... 

Purpose of Trigraph sequences in C++?

According to C++'03 Standard 2.3/1: 9 Answers 9 ...
https://stackoverflow.com/ques... 

Can CSS force a line break after each word in an element?

... even a line-break after a single letter. Works with Chrome/FF/Opera/IE7+ (and probably even IE6 since it's supporting word-spacing as well). share | improve this answer | fo...
https://stackoverflow.com/ques... 

How to ssh to vagrant without actually running “vagrant ssh”?

... the way Vagrant logs in to my VM within a shell script using an ssh command, so I create an alias to my Vagrant instance. ...
https://stackoverflow.com/ques... 

Python list of dictionaries search

...icts if item["name"] == "Pam") {'age': 7, 'name': 'Pam'} If you need to handle the item not being there, then you can do what user Matt suggested in his comment and provide a default using a slightly different API: next((item for item in dicts if item["name"] == "Pam"), None) And to find the in...
https://stackoverflow.com/ques... 

How to export collection to CSV in MongoDB?

...mit/586c00ef09c32c77907bd20d722049ed23065398 fixes the docs for 3.0.0-rc10 and later. It changes Fields string `long:"fields" short:"f" description:"comma separated list of field names, e.g. -f name,age"` to Fields string `long:"fields" short:"f" description:"comma separated list of field names ...
https://www.tsingfun.com/it/da... 

[解决]MySql提示:The server quit without updating PID file(…)失败 - 数...

[解决]MySql提示:The server quit without updating PID file(…)失败服务器症状:今天网站web页面提交内容到数据库,发现出错了,一直提交不了,数找了下原因,发现数据写不进去!第一反应,重启mysql数据库,...服务器症状: 今天网站we...
https://www.tsingfun.com/it/os_kernel/2500.html 

Linux 搭建NTP时间同步服务器 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

Linux 搭建NTP时间同步服务器NTP服务器【Network Time Protocol(NTP】是用来使计算机时间同步化的一种协议,NTP服务器可以对其它服务器做时间同步化,从而达到时间统一。配置环境及要求:A、 假设10 8 9 0 NTP服务器【Network Time Protoco...
https://www.tsingfun.com/it/tech/789.html 

QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...

QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别通过实例说明PHP中QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别。实例: 1、http://localhost/aaa/ (打开aaa中的index.php) $_SERVER['QUERY_STRING'] = ""; $_SERVER['REQUEST_URI'] = "/aaa/"; $_SERVER['SCRIPT_NAME...