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How can I pad an int with leading zeros when using cout

...tput an int with leading zeros, so the value 1 would be printed as 001 and the value 25 printed as 025 . How can I do this? ...
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What is the difference between .*? and .* regular expressions?

... It is the difference between greedy and non-greedy quantifiers. Consider the input 101000000000100. Using 1.*1, * is greedy - it will match all the way to the end, and then backtrack until it can match 1, leaving you with 1010000000001. .*? is non-greedy. * w...
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Is it possible to make a type only movable and not copyable?

...ntation. To answer the question you didn't ask... "what's up with moves and copy?": Firstly I'll define two different "copies": a byte copy, which is just shallowly copying an object byte-by-byte, not following pointers, e.g. if you have (&usize, u64), it is 16 bytes on a 64-bit computer, ...
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How to create a new java.io.File in memory?

...tion then, is “it’s not possible”. This answer tries to be pragmatic and tell what the user could do instead. Andreas’ answer is clearly more thorough and a better (attempt at an) answer. – haraldK Jan 17 at 12:11 ...
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How can I remove the decimal part from JavaScript number?

I have the results of a division and I wish to discard the decimal portion of the resultant number. 14 Answers ...
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Is it possible to use raw SQL within a Spring Repository

...on { int getId(); String getName(); String getRollNo(); } And Your Data Access Object(Dao) is like bellow : import org.springframework.data.jpa.repository.Query; import org.springframework.data.repository.CrudRepository; import java.util.ArrayList; public interface UserInfoTestDa...
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What are the mechanics of short string optimization in libc++?

...word) == sizeof(void*). You have correctly dissected the long/short flag, and the size field in the short form. what value would __min_cap, the capacity of short strings, take for different architectures? In the short form, there are 3 words to work with: 1 bit goes to the long/short flag. ...
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Why is the .bss segment required?

What I know is that global and static variables are stored in the .data segment, and uninitialized data are in the .bss segment. What I don't understand is why do we have dedicated segment for uninitialized variables? If an uninitialised variable has a value assigned at run time, does the varia...
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Emulate ggplot2 default color palette

...+1 I like your nice, simple solution, although I am still trying to understand why you have length=n+1 in the seq, whereas I have length=n – Andrie Nov 19 '11 at 22:18 ...
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Remove everything after a certain character

...hoose everything up to that character? I'm getting the value from an href and up to the "?", and it's always going to be a different amount of characters. ...