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How can I indent multiple lines in Xcode?

When I select multiple lines of code and want to indent them as usual with TAB key, it just deletes them all. I come from Eclipse where I always did it that way. How's that done in Xcode? I hope not line by line ;) ...
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Convert a character digit to the corresponding integer in C

Is there a way to convert a character to an integer in C? 15 Answers 15 ...
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Can I use a hash sign (#) for commenting in PHP?

I have never, ever, seen a PHP file using hashes ( # ) for commenting. But today I realized that I actually can! I'm assuming there's a reason why everybody uses // instead though, so here I am. ...
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What is the difference between bool and Boolean types in C#

What is the difference between bool and Boolean types in C#? 14 Answers 14 ...
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How to delete/create databases in Neo4j?

Is it possible to create/delete different databases in the graph database Neo4j like in MySQL? Or, at least, how to delete all nodes and relationships of an existing graph to get a clean setup for tests, e.g., using shell commands similar to rmrel or rm ? ...
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Where can I learn how to write C code to speed up slow R functions? [closed]

What's the best resource for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R? ...
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C++ new int[0] — will it allocate memory?

... From 5.3.4/7 When the value of the expression in a direct-new-declarator is zero, the allocation function is called to allocate an array with no elements. From 3.7.3.1/2 The effect of dereferencing a pointer returned as a request for zero size is undefined. Also ...
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Is assert evil? [closed]

... No, there's nothing wrong with assert as long as you use it as intended. That is, it's supposed to be for catching cases that "can't happen", during debugging, as opposed to normal error handling. Assert: A failure in the program's logic ...
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How to disable right-click context-menu in JavaScript [duplicate]

Not that I'm trying to prevent 'View Source' or anything silly like that, but I'm making some custom context menus for certain elements. ...
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How to select the first element in the dropdown using jquery?

I want to know how to select the first option in all select tags on my page using jquery. 9 Answers ...