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How to sign an android apk file

... a small overview without reference or eclipse around, so leave some space for errors, but it works like this Open your project in eclipse Press right-mouse - > tools (android tools?) - > export signed application (apk?) Go through the wizard: Make a new key-store. remember that password Sig...
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convert ArrayList to JSONArray

I have an ArrayList that I use within an ArrayAdapter for a ListView. I need to take the items in the list and convert them to a JSONArray to send to an API. I've searched around, but haven't found anything that explains how this might work, any help would be appreciated. ...
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How to create a custom attribute in C#

..., one can leverage those attributes in order to create functionality. So, for instance, let's look at the Validation Application Block, from Microsoft's Enterprise Library. If you look at a code example, you'll see: /// <summary> /// blah blah code. /// </summary> [Data...
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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?

...s follows: Check if the user-agent is that of an iPhone/iPod Touch Check for an appInstalled cookie If the cookie exists and is set to true, set window.location to your-uri:// (or do the redirect server side) If the cookie doesn't exist, open a "Did you know Your Site Name has an iPhone applicatio...
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Why can a function modify some arguments as perceived by the caller, but not others?

... @Gfy, I've seen similar examples before but to me it doesn't describe a real-world situation. If you're modifying something that's passed in it doesn't make sense to give it a default. – Mark Ransom Aug 15 '12 at 18:16 ...
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How do I force Postgres to use a particular index?

How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan? 6 Answers ...
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LINQ Single vs First

...stOrDefault() and SingleOrDefault() but that's a different question. Take, for example, a table that stores Customers in different languages using a Composite Key ( ID, Lang ): DBContext db = new DBContext(); Customer customer = db.Customers.Where( c=> c.ID == 5 ).First(); This code above introd...
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Convert SVG image to PNG with PHP

... That's funny you asked this, I just did this recently for my work's site and I was thinking I should write a tutorial... Here is how to do it with PHP/Imagick, which uses ImageMagick: $usmap = '/path/to/blank/us-map.svg'; $im = new Imagick(); $svg = file_get_contents($usmap); ...
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In a django model custom save() method, how should you identify a new object?

... You should use is not rather than != when checking for identity with the None object – Ben James Dec 4 '09 at 10:38 3 ...
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Android ViewPager - Show preview of page on left and right

... Yes I agree with you Jiju Induchoodan.. For more info please refer blog.neteril.org/blog/2013/10/14/… and stackoverflow.com/questions/13914609/… – Sripathi May 5 '14 at 10:46 ...