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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]

... Nice Explanation from http://www.programmerinterview.com/index.php/data-structures/dfs-vs-bfs/ An example of BFS Here’s an example of what a BFS would look like. This is something like Level Order Tree Traversal where we will use QUEUE with ITERATIVE approach (Mostly RECURSION wi...
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How to convert JSON to CSV format and store in a variable

... $(document).ready(function() { var JSONData = $.getJSON("GetJsonData.php", function(data) { var items = data; const replacer = (key, value) => value === null ? '' : value; // specify how you want to handle null values here const header = Object.keys(items[0]); ...
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What's the difference between a proxy server and a reverse proxy server? [closed]

..._vi/2008/01/updated-list-of.html Forward proxy software (server side) PHP-Proxy cgi-proxy phproxy (discontinued) glype Internet censorship wiki: List of Web Proxies squid (apparently, can also work as a reverse proxy) Reverse proxy software for HTTP (server side) Apache mod_proxy (can als...
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Good ways to manage a changelog using git?

...ly the code currently mandates that each client have their own copy of the PHP site; I'm changing this, but it's slow-going). ...
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Why is exception.printStackTrace() considered bad practice?

...d-user might introduce a potential security risk. Correct me if I'm wrong, PHP actually prints function parameters in stack trace - brilliant, but very dangerous - if you would you get exception while connecting to the database, what are you likely to in the stacktrace? 2) Generating a stack tr...
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Why the switch statement cannot be applied on strings?

... not @MarmouCorp above but http://www.codeguru.com/cpp/cpp/cpp_mfc/article.php/c4067/Switch-on-Strings-in-C.htm Uses two maps to convert between the strings and the class enum (better than plain enum because its values are scoped inside it, and reverse lookup for nice error messages). The use of s...
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What is the difference between JSF, Servlet and JSP?

.... Related questions What is the main-stream Java alternative to ASP.NET / PHP? Java EE web development, what skills do I need? How do servlets work? Instantiation, session variables and multithreading What is a Javabean and where are they used? How to avoid Java code in JSP files? What components a...
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Lua简明教程 - 脚本技术 - 清泛IT论坛,有思想、有深度

...一个Key Value的数据结构,它很像Javascript中的Object,或是PHP中的数组,在别的语言里叫Dict或Map,Table长成这个样子:haoel = {name="ChenHao", age=37, handsome=True}复制代码 下面是table的CRUD操作:haoel.website="http://coolshell.cn/" lo...
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Function to calculate distance between two coordinates

... Derek's solution worked fine for me, and I've just simply converted it to PHP, hope it helps somebody out there ! function calcCrow($lat1, $lon1, $lat2, $lon2){ $R = 6371; // km $dLat = toRad($lat2-$lat1); $dLon = toRad($lon2-$lon1); $lat1 = toRad($lat1); $l...
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Servlet for serving static content

...ed it on Tomcat 7.0.55. They call it a directory climbing: owasp.org/index.php/Path_Traversal – Cristian Arteaga Aug 4 '18 at 0:37 1 ...