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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish. ...
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How to capture stdout output from a Python function call?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Can someone explain the dollar sign in Javascript?

... The $ sign is an identifier for variables and functions. https://web.archive.org/web/20160529121559/http://www.authenticsociety.com/blog/javascript_dollarsign That has a clear explanation of what the dollar sign is for. Here's an alternative explanation: http://www.vcarrer.com/20...
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Setting PayPal return URL and making it auto return?

...efault. To turn on Auto Return: Log in to your PayPal account at https://www.paypal.com or https://www.sandbox.paypal.com The My Account Overview page appears. Click the gear icon top right. The Profile Summary page appears. Click the My Selling Preferences link in the left colum...
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warning about too many open figures

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Cross-Origin Request Headers(CORS) with PHP headers

...l idea of what is involved. For the nitty-gritty low-down, read: * * - https://developer.mozilla.org/en/HTTP_access_control * - http://www.w3.org/TR/cors/ * */ function cors() { // Allow from any origin if (isset($_SERVER['HTTP_ORIGIN'])) { // Decide if the origin in $_SERVE...
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Does Swift support reflection?

...me" reflect(Fruit())[0].1.summary // "Apple" From mchambers gist, here: https://gist.github.com/mchambers/fb9da554898dae3e54f2 share | improve this answer | follow ...
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Unable to find a locale path to store translations for file __init__.py

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Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升

...atically deliver error reports to the developer's computer by e-mail, over HTTP, or through a fast low-level TCP-based network protocol. The BugTrap server automatically manages the error reports repository, and notifies developers about any new errors. BugTrap stores error descriptions in log an...
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Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升

...atically deliver error reports to the developer's computer by e-mail, over HTTP, or through a fast low-level TCP-based network protocol. The BugTrap server automatically manages the error reports repository, and notifies developers about any new errors. BugTrap stores error descriptions in log an...