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Google Maps API v3: How to remove all markers?

...ry? I realize JavaScript has automatic garbage collection, but how do we know Google's API does not hold a reference to the marker when setMap(null) is called? In my application, I add and "delete" a ton of markers, and I would hate for all those "deleted" markers to be sucking up memory. ...
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Get notified when UITableView has finished asking for data?

...the loading process before it ended. But Apple changed it at some point. Now the UITableView class can cache the reloadData call with all the row insert and delete calls. If you look at the @interface declaration for UITableView, you will find NSMutableArray member _reloadItems right under _inser...
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]

...your laptop (-Y with X-forwarding) $ssh -Y pi@10.42.0.96 Lo and behold! Now your RPi is connected to your laptop and RPi can share the WiFi connection. pi@raspberrypi ~ $ Share display & keyboard of your laptop with RPi Install vncserver on Raspberry Pi $ sudo apt-get update $ sudo ap...
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URLs: Dash vs. Underscore [closed]

...le Webmasters: youtube.com/watch?v=AQcSFsQyct8. Per that video (admittedly now 6 years old and possibly not representing the contemporary status quo), foo_bar is treated as a single word while foo-bar is treated as two words - precisely the opposite of what this answer speculates is the case. ...
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Add Foreign Key to existing table

...d an index to it.. ALTER TABLE users ADD INDEX index_name (index_column) Now add the constraint ALTER TABLE foreign_key_table ADD CONSTRAINT foreign_key_name FOREIGN KEY (foreign_key_column) REFERENCES primary_key_table (primary_key_column) ON DELETE NO ACTION ON UPDATE CASCADE; Note if you d...
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How does _gaq.push(['_trackPageLoadTime']) work?

...ported in the above listed cases, called NavigationTiming. EDIT: This is now supported in Firefox 7 (Important to note that it doesn't run on every load; instead, it currently samples around 2% of pageviews, though it is configured to try to track all page loads on 10% of visits; as more browsers...
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How to set IntelliJ IDEA Project SDK

...f the window. 5) select JDK (I have to use keyboard to select it do not know why). select the home directory for your jdk installation. should be good to go. share | improve this answer ...
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MVC 3: How to render a view without its layout page when loaded via ajax?

...SP.NET 5 there is no Request variable available anymore. You can access it now with Context.Request Also there is no IsAjaxRequest() Method anymore, you have to write it by yourself, for example in Extensions\HttpRequestExtensions.cs using System; using Microsoft.AspNetCore.Http; namespace Micros...
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What is the purpose of double curly braces in React's JSX syntax?

...ing in Boulder? Lets grab coffee or lunch sometime... it would be good to know someone with the inside scoop on React since we're just starting a big project with it. – B Robster Mar 26 '14 at 23:52 ...
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Programmatically generate video or animated GIF in Python?

... it has problems with PIL/Pillow and is not actively maintained (I should know, because I am the author). Instead, please use imageio, which was developed to solve this problem and more, and is intended to stay. Quick and dirty solution: import imageio images = [] for filename in filenames: i...