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What's the main difference between int.Parse() and Convert.ToInt32
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If you've got a string, and you expect it to always be an integer (say, if some web service is handing you an integer in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), ...
Reading a string with scanf
... something. I was under the impression that the correct way of reading a C string with scanf() went along the lines of
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How do I URL encode a string
I have a URL string ( NSString ) with spaces and & characters. How do I url encode the entire string (including the & ampersand character and spaces)?
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Python, remove all non-alphabet chars from string
...I have found this post Stripping everything but alphanumeric chars from a string in Python which shows a nice solution using regex, but I am not sure how to implement it
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Should I use char** argv or char* argv[]?
...har *argv[] because it shows that is a fixed size array of variable length strings (which are usually char *).
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Best way to repeat a character in C#
What it's the best way to generate a string of \t 's in C#
19 Answers
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How to get the number of characters in a std::string?
How should I get the number of characters in a string in C++?
12 Answers
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JNI converting jstring to char *
I have passed a URL string from Java to C code as jstring data type through the use of JNI. And my library method needs a char * as url.
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How can I unit test Arduino code?
...rks-in-progress in branches other than master, so check those branches for extra tests, too.
I chose to write my own lightweight test routines, but more robust unit-test frameworks like CppUnit are also available.
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Check if character is number?
...arseInt and than check with isNaN
or if you want to work directly on your string you can use regexp like this:
function is_numeric(str){
return /^\d+$/.test(str);
}
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