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Printing the correct number of decimal points with cout

...lt;iomanip> int main(int argc, char** argv) { float testme[] = { 0.12345, 1.2345, 12.345, 123.45, 1234.5, 12345 }; std::cout << std::setprecision(2) << std::fixed; for(int i = 0; i < 6; ++i) { std::cout << testme[i] << std::endl; } re...
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How do I make calls to a REST api using C#?

...domain.com/objects.json"; private string urlParameters = "?api_key=123"; static void Main(string[] args) { HttpClient client = new HttpClient(); client.BaseAddress = new Uri(URL); // Add an Accept header for JSON format. clien...
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【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...

...转载自:https://mc.dfrobot.com.cn/thread-316532-1-1.html 文章aia源码如下: [hide][/hide] 资源地址:https://drive.google.com/drive/f ... 0BGKOaa?usp=sharing(如打不开可以直接在附件中下载) 数据在行动1:使用柱状图和饼图收集数据跟踪我的...
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Checking if a variable is an integer

...cob Relkin 147k2929 gold badges330330 silver badges312312 bronze badges ...
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How to get parameters from a URL string?

... the variables into an associative array. $url = "https://mysite.com/test/1234?email=xyz4@test.com&testin=123"; $query_str = parse_url($url, PHP_URL_QUERY); parse_str($query_str, $query_params); print_r($query_params); //Output: Array ( [email] => xyz4@test.com [testin] => 123 ) ...
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Check if a string has white space

...space1').html(hasWhiteSpace(' ')); $('#whitespace2').html(hasWhiteSpace('123')); }); <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> " ": <span id="whitespace1"></span><br> "123": <span id="whitespace2"></span> ...
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How can I scroll to a specific location on the page using jquery?

... Here's a pure javascript version: location.hash = '#123'; It'll scroll automatically. Remember to add the "#" prefix. share | improve this answer | f...
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Can I use require(“path”).join to safely concatenate urls?

...oin'); var fullUrl = urljoin('http://www.google.com', 'a', '/b/cd', '?foo=123'); console.log(fullUrl); Prints: 'http://www.google.com/a/b/cd?foo=123' share | improve this answer | ...
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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...化内核是比较直接且有效的方式。 但是需要对内核上游源码持续跟踪,关注bug和新特性,需要长期维护, 并且未来新版本很可能也会推出类似方面的优化patch。 内核新建连接瓶颈 在tcp三次握手的过程中,syn包连接请求会查...
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How to remove all characters after a specific character in python?

..., if you want remove every thing from the character, do this: mystring = "123⋯567" mystring[ 0 : mystring.index("⋯")] >> '123' If you want to keep the character, add 1 to the character position. share ...