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How do I return the response from an asynchronous call?

...on both sides with resume, filereader, filesystem), various image resizers converters using canvas, populate web SQL databases with base64images and much more... But in these cases you should create a function only for that purpose... sometimes you need a blob, array buffers, you can set headers, ov...
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Variable is accessed within inner class. Needs to be declared final

...u can use final in Java, but I am not sure if you can use it when building Android app, so Googling it might be a good idea :-) – Kevin Zhao Oct 12 '15 at 20:15 15 ...
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Reference — What does this symbol mean in PHP?

This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list. ...
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Literal notation for Dictionary in C#?

I currently have a WebSocket between JavaScript and a server programmed in C#. In JavaScript, I can pass data easily using an associative array: ...
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What is a semaphore?

...t should let the guests go in sequentially, but when i tried it out, it's random. Eg. Guest 40 came in first before Guest 39. Is there anything we could do to control this? – TNA May 31 '14 at 9:12 ...
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How I can I lazily read multiple JSON values from a file/stream in Python?

... Here's a much, much simpler solution. The secret is to try, fail, and use the information in the exception to parse correctly. The only limitation is the file must be seekable. def stream_read_json(fn): import json start_pos = 0 with open(fn, 'r') as f: while True: ...
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postgresql return 0 if returned value is null

...price DESC ) FROM web_price_scan WHERE listing_Type = 'AARM' AND u_kbalikepartnumbers_id = 1000307 AND ( EXTRACT( DAY FROM ( NOW() - dateEnded ) ) ) * 24 < 48 AND COALESCE( price, 0 ) > ( SELECT AVG( COALESCE( price, 0 ) )* 0.50 ...
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How to form tuple column from two columns in Pandas

I've got a Pandas DataFrame and I want to combine the 'lat' and 'long' columns to form a tuple. 4 Answers ...
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Center/Set Zoom of Map to cover all visible Markers?

I am setting multiple markers on my map and I can set statically the zoom levels and the center but what I want is, to cover all the markers and zoom as much as possible having all markets visible ...
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App Inventor 2 CustomWebView 拓展:高级版Web浏览器,完美浏览现代Web前...

...ds pages in overview mode LongClickable Returns whether text selection and context menu are enabled or not OverScrollMode Gets over scroll mode PromptForPermission Sets whether webview will prompt for permission and raise ‘OnPermissionRequest’ event or not else assume permission is g...