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How do I record audio on iPhone with AVAudioRecorder?

... Actually, there are no examples at all. Here is my working code. Recording is triggered by the user pressing a button on the navBar. The recording uses cd quality (44100 samples), stereo (2 channels) linear pcm. Beware: if you wa...
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Allow user to select camera or gallery for image

...e)); yourIntentsList.add(finalIntent); } List<ResolveInfo> listGall = packageManager.queryIntentActivities(gallIntent, 0); for (ResolveInfo res : listGall) { final Intent finalIntent = new Intent(gallIntent); finalIntent.setComponent(new ComponentName(res.activityInfo.packageName,...
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?

... is applied.] Autolayout vs. View Transforms Autolayout does not play at all well with view transforms. The reason, as far as I can discern, is that you're not supposed to mess with the frame of a view that has a transform (other than the default identity transform) - but that is exactly what auto...
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How to post JSON to PHP with curl

I may be way off base, but I've been trying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array. ...
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Is it better to call ToList() or ToArray() in LINQ queries?

...the case where I want to eval a query right where I declare it. This is usually because I need to iterate over it multiple times and it is expensive to compute. For example: ...
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How to implement a tree data-structure in Java? [closed]

...object. It is fairly easy to implement simple trees to do what you need. All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of the Tree. share ...
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Post data to JsonP

Is it possible to post data to JsonP? Or does all data have to be passed in the querystring as a GET request? 7 Answers ...
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MySQL CONCAT returns NULL if any field contain NULL

...es: it returns the first non-NULL value parameter passed to it (or NULL if all parameters are NULL). By passing an empty string as the second parameter, you are guaranteeing it will not return NULL. – Jo. Mar 10 '17 at 17:03 ...
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Detecting 'stealth' web-crawlers

... A while back, I worked with a smallish hosting company to help them implement a solution to this. The system I developed examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It included wh...
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?

In a recent interview, I was asked a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this su...