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scala vs java, performance and memory? [closed]

...asier to express more generic patterns as types (such as Monads, Functors, etc.). This allows you to create types that don't get in your way due to overly strict contracts, as often happens in Java. Strict contracts not based on actual patterns in the code are the reason Inversion of Responsibilit...
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Send an Array with an HTTP Get

...); // value1 And, when the target server uses a weak typed language like PHP or RoR, then you need to suffix the parameter name with braces [] in order to trigger the language to return an array of values instead of a single value. foo[]=value1&foo[]=value2&foo[]=value3 $foo = $_GET["...
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How to shorten my conditional statements

...ould have an in_array function that returns a Boolean directly (similar to PHP), but that's just wishful thinking (Update: it now does. It's called includes. See above). Note that jQuery's inArray, while sharing PHP's method signature, actually mimics the native indexOf functionality (which is usefu...
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What is the coolest thing you can do in

... PHP - the Sierpinski gasket a.k.a the Triforce OK, it's 15 lines of code but the result is awesome! That's the kind of stuff that made me freak out when I was a child. This is from the PHP manual: $x = 200; $y = 200; $gd = i...
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How to use a RELATIVE path with AuthUserFile in htaccess?

...> Development server configuration (Debian) Append the following to /etc/apache2/envvars: export APACHE_ARGUMENTS=-Ddevelopment Restart your apache afterwards and you'll get a password prompt only when you're not on the development server. You can of course add another IfDefine for the dev...
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Set Background cell color in PHPExcel

How to set specific color to active cell when creating XLS document in PHPExcel? 10 Answers ...
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What is the difference between server side cookie and client side cookie?

...n data, user preferences, the content of a chart in an e-commerce website, etc... Pros and Cons Below pros and cons of the solutions. These are the first that comes to my mind, there are surely others. Cookie Pros: scalability: all the data is stored in the browser so each request can go throug...
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How can I convert an image into Base64 string using JavaScript?

...) }) This code example could also be implemented using the WHATWG fetch API: const toDataURL = url => fetch(url) .then(response => response.blob()) .then(blob => new Promise((resolve, reject) => { const reader = new FileReader() reader.onloadend = () => re...
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libevent对比libev的基准测试 - C/C++ - 清泛网 - 专注C/C++及内核技术

...明,libev 的成本要低得多,因此比 libevent 更快。API 设计问题也在结果中发挥作用,因为在使用计时器时,本机 API 可以比模拟 API 做得更好。尽管这使 libev 处于劣势(仿真层必须模拟其原生 API 没有的 libevent 的某些方面。它还...
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Deep Learning(深度学习)学习笔记整理系列之(四) - 大数据 & AI - 清泛...

...些自动学习得到的特征可以大大提高精确度,甚至在分类问题中比目前最好的分类算法效果还要好! AutoEncoder存在一些变体,这里简要介绍下两个: Sparse AutoEncoder稀疏自动编码器: 当然,我们还可以继续加上一些...