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How to check if a view controller is presented modally or pushed on a navigation stack?

How can I, in my view controller code, differentiate between: 16 Answers 16 ...
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Unmarshaling nested JSON objects

...re are a few questions on the topic but none of them seem to cover my case, thus I'm creating a new one. 8 Answers ...
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How to know/change current directory in Python shell?

...he current directory is and how can I change it to another directory where my modules are? 7 Answers ...
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How do I declare an array of weak references in Swift?

... Please post your problem code in a new question; no reason to ding my answer when it might be your code! – GoZoner Jul 30 '15 at 0:35 2 ...
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Double Negation in C++

...iom. They could probably do the same thing by comparing against 0, but in my opinion, it's actually more straightforward to do the double-negation, since that's the closest to a cast-to-bool that C has. This code can be used in C++ as well... it's a lowest-common-denominator thing. If possible, d...
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In Matlab, when is it optimal to use bsxfun?

My Question: I've noticed that a lot of good answers to Matlab questions on SO frequently use the function bsxfun . Why? ...
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Maximum number of records in a MySQL database table

What is the upper limit of records for MySQL database table. I'm wondering about autoincrement field. What would happen if I add milions of records? How to handle this kind of situations? Thx! ...
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Is it possible to perform a 'grep search' in all the branches of a Git project?

... Interesting alias. +1. More precise than in my answer. – VonC Jan 22 '14 at 14:00 How t...
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?

... It's strange because I put this in my ViewController, and it didn't print anything to my log. I guess because this method is not being called. Can you think of anything else that would need to be plugged in order for this to work? – Trip ...
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Upload failed You need to use a different version code for your APK because you already have one wit

...ead of AndroidManifest.xml. e.g. defaultConfig { applicationId "com.my.packageId" minSdkVersion 15 targetSdkVersion 22 versionCode 2 <-- change this versionName "2.0" <-- change this } sha...