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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?

Can I make a NSMutableArray instance where all the elements are of type SomeClass ? 11 Answers ...
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How to only find files in a given directory, and ignore subdirectories using bash

...he find command to find certain files, but some files in sub-directories have the same name which I want to ignore. Thanks for any help. Below is the command that I'm using: ...
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Is it a good idea to index datetime field in mysql?

I am working on designing a large database. In my application I will have many rows for example I currently have one table with 4 million records. Most of my queries use datetime clause to select data. Is it a good idea to index datetime fields in mysql database? ...
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SSH Private Key Permissions using Git GUI or ssh-keygen are too open

Recently I've been unable to clone or push to github, and I'm trying to find the root cause. 25 Answers ...
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Get Character value from KeyCode in JavaScript… then trim

This is what I have now: 10 Answers 10 ...
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Copy array by value

When copying an array in JavaScript to another array: 34 Answers 34 ...
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Is there a short contains function for lists?

I see people are using any to gather another list to see if an item exists in a list, but is there a quick way to just do?: ...
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How can I convert an RGB image into grayscale in Python?

I'm trying to use matplotlib to read in an RGB image and convert it to grayscale. 12 Answers ...
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Android: Generate random color on click?

I have an ImageView , in which I am programmaticly creating drawables and presenting them to the user. My goal is to click on said ImageView and change the drawable's color. ...
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How to ignore xargs commands if stdin input is empty?

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