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How can I count all the lines of code in a directory recursively?

We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea. ...
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Replace all non-alphanumeric characters in a string

I have a string with which i want to replace any character that isn't a standard character or number such as (a-z or 0-9) with an asterisk. For example, "h^&ell`.,|o w]{+orld" is replaced with "h*ell*o*w*orld". Note that multiple characters such as "^&" get replaced with one asterisk. How would I go...
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Use space as a delimiter with cut command

I want to use space as a delimiter with the cut command. 8 Answers 8 ...
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Remove all whitespace in a string

I want to eliminate all the whitespace from a string, on both ends, and in between words. 10 Answers ...
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How does BitLocker affect performance? [closed]

...egradation. Developers who use IDEs like Visual Studio are working on lots and lots of files at once. More than the usual office worker, I would think. ...
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How do I properly compare strings in C?

...trying to get a program to let a user enter a word or character, store it, and then print it until the user types it again, exiting the program. My code looks like this: ...
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The new syntax “= default” in C++11

I don't understand why would I ever do this: 5 Answers 5 ...
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What are namespaces?

... Namespacing does for functions and classes what scope does for variables. It allows you to use the same function or class name in different parts of the same program without causing a name collision. In simple terms, think of a namespace as a person's su...
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How do I get the MAX row with a GROUP BY in LINQ query?

... This can be done using GroupBy and SelectMany in LINQ lamda expression var groupByMax = list.GroupBy(x=>x.item1).SelectMany(y=>y.Where(z=>z.item2 == y.Max(i=>i.item2))); ...
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What is a CSRF token ? What is its importance and how does it work?

I am writing an application (Django, it so happens) and I just want an idea of what actually a "CSRF token" is and how it protects the data. Is the post data not safe if you do not use CSRF tokens? ...