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Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?

...ead. Most of the time you're waiting for a long running process to finish fetching/manipulating data and then you can process it in the background right in your completion block and then only stick UI calls into a dispatch block on the main queue. Plus it's always good to follow what Apple sets in t...
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Android List View Drag and Drop sort

...t---not that an application comes to mind). Headers/Footers are respected. etc.?? Take a look. share | improve this answer | follow | ...
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How to use php serialize() and unserialize()

... what is the explanation of those a,i,s etc in a:3:{i:1;s:6:"elem 1";i:2;s:6:"elem 2";i:3;s:7:" elem 3";} ? And if u don't mind , an example of serializing the array(might not be relevant to the theme of this post ) to send it to js. – Istiaqu...
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Meaning of Open hashing and Closed hashing

...ucket is independent, and has some sort of ADT (list, binary search trees, etc) of entries with the same index. In a good hash table, each bucket has zero or one entries, because we need operations of order O(1) for insert, search, etc. This is a example of separate chaining using C++ with a simpl...
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How do I install from a local cache with pip?

... How would I do that? I figure the config file would have to be placed in /etc or something. – Batandwa Jan 7 '14 at 19:42 ...
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Swift: #warning equivalent

...eminds me I'm in dev mode - using different URLs, timeouts, other settings etc. Arie's suggestion above lets me do this, your technique just flags everything. That said, this technique has its use for sure so I up voted it too! – David H Nov 17 '14 at 16:42 ...
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What is a “batch”, and why is GO used?

I have read and read over MSDN, etc. Ok, so it signals the end of a batch. 6 Answers ...
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Any way to make a WPF textblock selectable?

... (blinking caret in TextBox, no keyboard support in manual implementations etc.) After hours of digging around and reading the WPF source code, I instead discovered a way of enabling the native WPF text selection for TextBlock controls (or really any other controls). Most of the functionality aroun...
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How do I show multiple recaptchas on a single page?

...se() with multiple instances you can simply reference each render as 0,1,2,etc. For example the first instance would be referenced as grecaptcha.getResponse(0). – Gene Kelly Feb 23 '16 at 22:33 ...
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Why should you use an ORM? [closed]

...ng to its discriminator. Another type of query would be one that eagerly fetches an object and one or more related objects or collections in a single database call. e.g. Each shape object is returned with its vertex and side collections populated. I'm sorry to disagree with so many others here, b...