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Fastest way to check if a value exists in a list
What is the fastest way to know if a value exists in a list (a list with millions of values in it) and what its index is?
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How do I “un-revert” a reverted Git commit?
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If you haven't pushed that change yet, git reset --hard HEAD^
Otherwise, reverting the revert is perfectly fine.
Another way is to git checkout HEAD^^ -- . and then git add -A && git commit.
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How can I get stock quotes using Google Finance API?
I'm looking for access to financial data from Google services.
13 Answers
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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
Character iteration
String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x of Array(5).keys()) {
console.log(x, String.fromCharCode('A'.charCode...
How do I return NotFound() IHttpActionResult with an error message or exception?
I am returning a NotFound IHttpActionResult , when something is not found in my WebApi GET action. Along with this response, I want to send a custom message and/or the exception message (if any). The current ApiController 's NotFound() method does not provide an overload to pass a message.
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Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
... a browser-based mobile app and I've decided to use Bootstrap 3 as the css framework for the design. Bootstrap 3 comes with a great "responsive" feature in the navigation bar where it collapses automatically if it detects a specific "break point" regarding the resolution of the browser. It works in ...
How do I read an entire file into a std::string in C++?
How do I read a file into a std::string , i.e., read the whole file at once?
15 Answers
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Print in one line dynamically
...t item to:
print item, in Python 2.7
print(item, end=" ") in Python 3
If you want to print the data dynamically use following syntax:
print(item, sep=' ', end='', flush=True) in Python 3
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
转：postfix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.extmail....
原文地址：http://bbs.chinaunix.net/viewthread.php?tid=770141
执照wangmingda老大...
Standardize data columns in R
...taset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
15 Answers
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