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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
I'm looking to convert single digit numbers to two-digit numbers like so:
4 Answers
4
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Understanding typedefs for function pointers in C
... took me a while to get around to such a definition while trying to understand a numerical algorithm written in C a while ago. So, could you share your tips and thoughts on how to write good typedefs for pointers to functions (Do's and Do not's), as to why are they useful and how to understand other...
How to change a string into uppercase
...t use
"string".upper()
where "string" is your string that you want to convert uppercase
for this question concern it will like this:
s.upper()
for making lowercase from uppercase string
just use
"string".lower()
where "string" is your string that you want to convert lowercase
for thi...
Difference between `constexpr` and `const`
What's the difference between constexpr and const ?
9 Answers
9
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How can I get the full object in Node.js's console.log(), rather than '[Object]'?
...would occur with DOM objects, for example. Stringify will throw an "Error: Converting circular structure to JSON".
– Ignacio Lago
Jan 17 '14 at 16:47
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What is the size of column of int(11) in mysql in bytes?
...pecifies how many characters to pad when selecting data with the mysql command line client. 12345 stored as int(3) will still show as 12345, but if it was stored as int(10) it would still display as 12345, but you would have the option to pad the first five digits. For example, if you added ZEROFILL...
How to achieve function overloading in C?
... No. printf is not function overloading. it uses vararg !!! And C doesn't support Function Overloading.
– hqt
Jul 29 '12 at 9:49
53
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How can I pass a member function where a free function is expected?
...unction static in which case it doesn't require any object to be called on and you can use it with the type void (*)(int, int).
If you need to access any non-static member of your class and you need to stick with function pointers, e.g., because the function is part of a C interface, your best opt...
Separating class code into a header and cpp file
I am confused on how to separate implementation and declarations code of a simple class into a new header and cpp file. For example, how would I separate the code for the following class?
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curl -GET and -X GET
...t confuse matters with either. It is the long form of -G, which is used to convert data specified with -d into a GET request instead of a POST.
(I subsequently used my own answer here to populate the curl FAQ to cover this.)
Warnings
Modern versions of curl will inform users about this unnecessar...