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How to recognize swipe in all 4 directions

...ad() let swipeRight = UISwipeGestureRecognizer(target: self, action: #selector(respondToSwipeGesture)) swipeRight.direction = .right self.view.addGestureRecognizer(swipeRight) let swipeDown = UISwipeGestureRecognizer(target: self, action: #selector(respondToSwipeGesture)) swipe...
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JavaScript hashmap equivalent

...nctional solution is simple and fast. The key function can be as simple as selecting right attributes of the object, e.g., a key, or a set of keys, which are already unique, a combination of keys, which are unique together, or as complex as using some cryptographic hashes like in DojoX encoding, or ...
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Query a parameter (postgresql.conf setting) like “max_connections”

... SHOW, such as minimum and maximum values. For your original request: SELECT * FROM pg_settings WHERE name = 'max_connections'; Finally, there is current_setting(), which can be nested in DML statements: SELECT current_setting('max_connections'); Related: How to test my ad-hoc SQL wit...
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What does “for” attribute do in HTML tag?

...Chrome and Safari, for example, clicking a label that is associated with a select only puts focus on the select rather than expanding the options. – Emile Pels Feb 8 '16 at 13:30 2...
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p

... byte accesses are atomic (although not ordered) which is why I went with "char" for my example... But I am not even 100% sure about that... If you want to suggest any good "tutorial" references I will add them to my answer – Nemo Jun 12 '11 at 0:39 ...
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Open Cygwin at a specific folder

...nload it again and start setup again to run an update), make sure that you select the chere package under the "Shells" category. After Cygwin is launched, open up a Cygwin terminal (as an administrator) and type the command: chere -i -t mintty -s bash. Now you should have "Bash Prompt Here" in the...
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How can I get a web site's favicon?

...tain this via the agility pack: var favicon = "/favicon.ico"; var el=root.SelectSingleNode("/html/head/link[@rel='shortcut icon' and @href]"); if (el != null) favicon = el.Attributes["href"].Value; Note the icon is theirs, not yours. ...
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How to use arguments from previous command?

... see: $ echo ace By the way, you could have put the echo on the line by selecting argument 0: Press Alt-0 Alt-Ctrl-y Edit: To answer the question you added to your original: You can press Alt-0 then repeatedly press Alt-. to step through the previous commands (arg 0). Similarly Alt-- then rep...
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jQuery AJAX file upload PHP

...t type="file" onchange="saveFile(this)" > <br><br> Before selecting the file Open chrome console > network tab to see the request details. <br><br> <small>Because in this example we send request to https://stacksnippets.net/upload/image the response code will ...
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XDocument or XmlDocument

...er> XElement customersElement = new XElement("customers", customers.Select(c => new XElement("customer", new XAttribute("name", c.Name), new XAttribute("lastSeen", c.LastOrder) new XElement("address", new XAttribute("town", c.Town), new XAttr...