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How to lazy load images in ListView in Android

...GE"/> Please create only one instance of ImageLoader and reuse it all around your application. This way image caching will be much more efficient. It may be helpful to somebody. It downloads images in the background thread. Images are being cached on an SD card and in memory. The cache ...
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How to remove a field from params[:something]

... = params.except[the one I wish to remove] This is a safer way to 'grab' all the params you need into a copy WITHOUT destroying the original passed in params (which is NOT a good thing to do as it will make debugging and maintenance of your code very hard over time). Or you could just pass direc...
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Change Oracle port from port 8080

... Production on Tue Aug 26 10:40:44 2008 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> connect Enter user-name: system Enter password: <enter password if will not be visible> Connected. SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP going to this po...
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Unexpected character encountered while parsing value

...ion (screen shot below) JSON Parsing Code static readonly JsonSerializer _serializer = new JsonSerializer(); static readonly HttpClient _client = new HttpClient(); static async Task<T> GetDataObjectFromAPI<T>(string apiUrl) { using (var stream = await _client.GetStreamAsync(apiUrl...
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Postgresql GROUP_CONCAT equivalent?

...dited Sep 14 '17 at 20:37 Ariel Allon 71211 gold badge99 silver badges1515 bronze badges answered Apr 1 '10 at 14:55 ...
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converting a base 64 string to an image and saving it

... answered Feb 2 '16 at 17:30 INT_24hINT_24h 1,10388 silver badges66 bronze badges ...
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Are global variables in PHP considered bad practice? If so, why?

In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; . ...
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Difference between Convert.ToString() and .ToString()

... var arg = Request.Params.Get("__EVENTARGUMENT"); string _arg = Convert.ToString(arg); _arg is not returing String.Empty when arg is null. why? – vml19 Mar 12 '12 at 3:33 ...
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Creating a jQuery object from a big HTML-string

...d to the dom. If you take a look at my fiddle (jsfiddle.net/MCSyr/2), I'm calling find on the jQuery object, and it returns a result as expected: $jQueryObject.find("#theAnswer").html() – kiprainey Nov 18 '13 at 22:55 ...
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How do I get jQuery to select elements with a . (period) in their ID?

... For that reason, in CSS itself, you must escape a dot in an ID, too. All jQuery is doing is requiring you to follow the rules set out by CSS. – bdukes Apr 6 '09 at 14:11 6 ...