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Number of occurrences of a character in a string [duplicate]
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You could do this:
int count = test.Split('&').Length - 1;
Or with LINQ:
test.Count(x => x == '&');
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How can I scale an entire web page with CSS?
...ge an entire web page by simply pressing CTRL + . What this does is proportionally enlarge the entire web page (fonts, images, etc).
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How do you round a floating point number in Perl?
...oc -q round
Does Perl have a round() function? What about ceil() and floor()?
Trig functions?
Remember that int() merely truncates toward 0. For rounding to a certain number of digits, sprintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
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How to convert timestamps to dates in Bash?
I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns:
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Why does C++ need a separate header file?
...he same functions as in the .cpp file. It makes creating classes and refactoring them very difficult, and it adds unnecessary files to the project. And then there is the problem with having to include header files, but having to explicitly check if it has already been included.
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Why is Linux called a monolithic kernel?
...nel where all services (file system, VFS, device drivers, etc) as well as core functionality (scheduling, memory allocation, etc.) are a tight knit group sharing the same space. This directly opposes a microkernel.
A microkernel prefers an approach where core functionality is isolated from system s...
Best practices for styling HTML emails [closed]
I'm designing an HTML template for an email newsletter. I've learned that many email clients ignore linked stylesheets, and many others (including Gmail) ignore CSS block declarations altogether. Are inline style attributes my only choice? What are the best practices for styling HTML emails?
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Directory-tree listing in Python
How do I get a list of all files (and directories) in a given directory in Python?
20 Answers
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How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
...ntelliJ IDEA ) providing you with a command to generate a default constructor for a class based on the fields in the class.
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F# development and unit testing?
...t got started with F#, which is my first functional language. I have been working quasi-exclusively with C#, and enjoy a lot how F# leads me to re-think how I write code. One aspect I find a bit disorienting is the change in the process of writing code. I have been using TDD for years in C# now, and...
