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Extract hostname name from string
... ==");
console.log(extractHostname("http://www.blog.classroom.me.uk/index.php"));
console.log(extractHostname("http://www.youtube.com/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("https://www.youtube.com/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("www.youtube.com/watch?v=ClkQA2Lb...
技术人员如何去面试？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...。
技术面试不同的技术应该问的问题都不相同，比如你PHP、Java、C++、数据库每个技术点不同，出的面试题自然不同，最好你在找工作的时候就选择跟你个人擅长技术比较符合的职位。
技术面试的流程是一面简单问题(基础知识...
R script line numbers at error?
...e failure. I am currently running R version 3.4.1.
Below, I've included a description of the workflow that worked for me, as well as some code I used to set the global error handling option in R.
As I have it configured, the error handling also creates an RData file containing all objects in worki...
Why does the 260 character path length limit exist in Windows?
...directories).
The INT 0x21 AH=0x47 says “This function returns the path description without the drive letter and the initial backslash.” So we see that the system stores the CWD as a pair (drive, path) and you ask for the path by specifying the drive (1=A, 2=B, …), if you specify a 0 then it ...
Why do some functions have underscores “__” before and after the function name?
...
From the Python PEP 8 -- Style Guide for Python Code:
Descriptive: Naming Styles
The following special forms using leading or trailing underscores are
recognized (these can generally be combined with any case convention):
_single_leading_underscore: weak "internal...
Difference between a theta join, equijoin and natural join
...bly joined tables in the system. Take very common columns such as "name", "description", ... Using "natural join" will make them joined whereas it makes nonsense and more is against business logic and leads to error. So yes, "natural join" is dangerous. It forces you to have distinct names except fo...
CSS last-child(-1)
...
Unless you can get PHP to label that element with a class you are better to use jQuery.
jQuery(document).ready(function () {
$count = jQuery("ul li").size() - 1;
alert($count);
jQuery("ul li:nth-child("+$count+")").css("color","red");
}...
Why do you need to create a cursor when querying a sqlite database?
...for that matter), and this just completely stumps me. The abundant lack of descriptions of cursor objects (rather, their necessity) also seems odd.
...
Bootstrap 3: Keep selected tab on page refresh
...lic.com/faq/how-to-keep-the-current-tab-active-on-page-reload-in-bootstrap.php
https://www.w3schools.com/bootstrap/bootstrap_ref_js_tab.asp
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foll...
Pure JavaScript Send POST Data Without a Form
...e_1: 123,
example_2: 'Hello, world!',
});
navigator.sendBeacon('example.php', data);
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