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What is the difference between require and require-dev sections in composer.json?

... Different Environments Typically, software will run in different environments: development testing staging production Different Dependencies in Different Environments The dependencies which are declared in the require section of composer.json are t...
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How to specify Composer install path?

... That works well -- so they still have a repository after all :) – Tower Aug 9 '12 at 13:07 3 ...
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Apache VirtualHost 403 Forbidden

...ache. You can see the enabling of the feature with the directive Require all denied This basically says to deny access to all users. To fix this problem, either remove the denied directive (or much better) add the following directive to the directories you want to grant access to: Require all ...
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Maximum length of the textual representation of an IPv6 address?

I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...
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Why JSF calls getters multiple times

...e getter method behind the expression is executed everytime when the code calls ValueExpression#getValue(). This will normally be invoked one or two times per JSF request-response cycle, depending on whether the component is an input or output component (learn it here). However, this count can get ...
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selecting unique values from a column

...nstead of using SELECT * ... use SELECT column 1, column 2... Unless you really do need all columns. – LPChip Nov 18 '17 at 20:43 ...
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HTTPKeepAlive,开启还是关闭 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...对服务端不得不维持大量的连接。开启还是关闭,这是个问题。 一个经常用来讲解HTTPKeepAlive的例子一般是这样描述的:当我们访问一个包含了若干个图片的网页时,如果HTTPKeepAlive是关闭的,那么页面中每一个图片都会发起一...
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MySQL Great Circle Distance (Haversine formula)

I've got a working PHP script that gets Longitude and Latitude values and then inputs them into a MySQL query. I'd like to make it solely MySQL. Here's my current PHP Code: ...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

... time; User and Sys refer to CPU time used only by the process. Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete). User is t...
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Can I use jQuery with Node.js?

... Note: The original answer fails to mention that it you will need to install jsdom as well using npm install jsdom Update (late 2013): The official jQuery team finally took over the management of the jquery package on npm: npm install jquery Then: require("jsdom").env("", function (err, wind...