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How to remove the last character from a string?

I want to remove the last character from a string. I've tried doing this: 32 Answers 3...
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How can I create directory tree in C++/Linux?

...#include "sysstat.h" typedef struct stat Stat; static int do_mkdir(const char *path, mode_t mode) { Stat st; int status = 0; if (stat(path, &st) != 0) { /* Directory does not exist. EEXIST for race condition */ if (mkdir(path, mode) != 0 ...
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Why is “int i = 2147483647 + 1;” OK, but “byte b = 127 + 1;” is not compilable?

... if the expression is a constant expression (§15.28) of type byte, short, char or int : A narrowing primitive conversion may be used if the type of the variable is byte, short, or char, and the value of the constant expression is representable in the type of the variable. Without this clause, ...
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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...(0xFFFFFFFF - PTR_MASK) #define GET_NEXT_BLOCK(_addr, _r) ((bhdr_t *) ((char *) (_addr) + (_r))) #define MEM_ALIGN ((BLOCK_ALIGN) - 1) #define ROUNDUP_SIZE(_r) (((_r) + MEM_ALIGN) & ~MEM_ALIGN) #define ROUNDDOWN_SIZE(_r) ((_r) & ~MEM_ALIGN) #define ROUNDUP(_x, _v) ...
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How can I hash a password in Java?

...te[16]; random.nextBytes(salt); KeySpec spec = new PBEKeySpec("password".toCharArray(), salt, 65536, 128); SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); byte[] hash = f.generateSecret(spec).getEncoded(); Base64.Encoder enc = Base64.getEncoder(); System.out.printf("salt: %s...
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli

...ffffff" because of sign extension. So one might need to take the last two characters of the returned string. – Marvo Jul 27 '12 at 20:55 ...
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Storing integer values as constants in Enum manner in java [duplicate]

...words I have a value with me and I want to get the corresponding enum with selected value. Can you answer? – Anas Azeem Apr 25 '16 at 10:39 ...
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Passing base64 encoded strings in URL

...ed to url-encode it, since base64 strings can contain the "+", "=" and "/" characters which could alter the meaning of your data - look like a sub-folder. Valid base64 characters are below. ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/= ...
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What does {0} mean when initializing an object?

... initialized shall be default-initialized. Example: struct S { int a; char* b; int c; }; S ss = { 1, "asdf" }; initializes ss.a with 1, ss.b with "asdf", and ss.c with the value of an expression of the form int(), that is, 0. You can find the complete spec on this topic here ...
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Reverse a string in Java

... This won't work for Unicode characters outside of BMP, as long as for combining characters. – nau Aug 17 '18 at 11:36 2 ...