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How to find out how many lines of code there are in an Xcode project?

...any lines of code an Xcode project contains? I promise not to use such information for managerial measurement or employee benchmarking purposes. ;) ...
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How can I check whether a numpy array is empty or not?

How can I check whether a numpy array is empty or not? 4 Answers 4 ...
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How to make a DIV visible and invisible with JavaScript

... if [DIV] is an element then [DIV].style.visibility='visible' OR [DIV].style.visibility='hidden' share | improve this answer | follow | ...
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How to take the first N items from a generator or list in Python? [duplicate]

...e all valid: array[start:], array[:stop], array[::step] Slicing a generator import itertools top5 = itertools.islice(my_list, 5) # grab the first five elements You can't slice a generator directly in Python. itertools.islice() will wrap an object in a new slicing generator using the syntax i...
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How can I add to List

... Sorry, but you can't. The wildcard declaration of List<? extends Number> foo3 means that the variable foo3 can hold any value from a family of types (rather than any value of a specific type). It means that any of these...
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How to draw vertical lines on a given plot in matplotlib?

Given a plot of signal in time representation, how to draw lines marking corresponding time index? 6 Answers ...
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Why should I avoid using Properties in C#?

...ason, but I don't really understand. Can anyone explain to me why I should or should not use properties? In C# 3.0, with automatic properties, does this change? ...
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Why do you need to put #!/bin/bash at the beginning of a script file?

I have made Bash scripts before and they all ran fine without #!/bin/bash at the beginning. 9 Answers ...
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What is the difference between Bower and npm?

...s have many downsides. You just have to pick which you can live with. History npm started out managing node.js modules (that's why packages go into node_modules by default), but it works for the front-end too when combined with Browserify or webpack. Bower is created solely for the front-end and ...
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How can I check if a directory exists in a Bash shell script?

What command can be used to check if a directory exists or not, within a Bash shell script? 35 Answers ...