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iOS app error - Can't add self as subview

... I am speculating based on something similar that I debugged recently... if you push (or pop) a view controller with Animated:YES it doesn't complete right away, and bad things happen if you do another push or pop before the anim...
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How to fix height of TR?

... Tables are iffy (at least, in IE) when it comes to fixing heights and not wrapping text. I think you'll find that the only solution is to put the text inside a div element, like so: td.container > div { width: 100%; height: 100%; overflow:hidden...
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How to get my IP address programmatically on iOS/macOS?

I would like to obtain my iPad's IP address programmatically. How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are? ...
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Efficiency of premature return in a function

This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
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Best way to select random rows PostgreSQL

I want a random selection of rows in PostgreSQL, I tried this: 12 Answers 12 ...
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Entity Attribute Value Database vs. strict Relational Model Ecommerce

It is safe to say that the EAV/CR database model is bad. That said, 10 Answers 10 ...
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Equivalent C++ to Python generator pattern

I've got some example Python code that I need to mimic in C++. I do not require any specific solution (such as co-routine based yield solutions, although they would be acceptable answers as well), I simply need to reproduce the semantics in some manner. ...
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How do I expire a PHP session after 30 minutes?

I need to keep a session alive for 30 minutes and then destroy it. 15 Answers 15 ...
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Casting vs using the 'as' keyword in the CLR

When programming interfaces, I've found I'm doing a lot of casting or object type conversion. 18 Answers ...
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT

...N.SDK_INT <19){ Intent intent = new Intent(); intent.setType("image/jpeg"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(Intent.createChooser(intent, getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED); } else { Intent intent = new...