大约有 42,000 项符合查询结果(耗时:0.0224秒) [XML]

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Delete element in a slice

...d a slice while it is in range, it will induce some problem. Old Answer: chars := []string{"a", "a", "b"} for i, v := range chars { fmt.Printf("%+v, %d, %s\n", chars, i, v) if v == "a" { chars = append(chars[:i], chars[i+1:]...) } } fmt.Printf("%+v", chars) Expected : [a a ...
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How can I use UUIDs in SQLAlchemy?

...cause it implicitly tries to do some sort of character conversion for the "select * from table where id =..." and there's miscellaneous display issues. Other than that everything seems to work fine, and so I'm throwing it out there. Leave a comment if you see a glaring error with it. I welcome any ...
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How to declare strings in C [duplicate]

... Strings in C are represented as arrays of characters. char *p = "String"; You are declaring a pointer that points to a string stored some where in your program (modifying this string is undefined behavior) according to the C programming language 2 ed. char p2[] =...
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Use of 'const' for function parameters

...ect, thus the const at the end of its declaration) – CharonX Oct 1 '18 at 9:54  |  show 2 more comments ...
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std::string formatting like sprintf

...'ll have to do it first in a c-string, then copy it into a std::string: char buff[100]; snprintf(buff, sizeof(buff), "%s", "Hello"); std::string buffAsStdStr = buff; But I'm not sure why you wouldn't just use a string stream? I'm assuming you have specific reasons to not just do this: st...
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Finding current executable's path without /proc/self/exe

... Solaris: char exepath[MAXPATHLEN]; sprintf(exepath, "/proc/%d/path/a.out", getpid()); readlink(exepath, exepath, sizeof(exepath));; that's different from getexecname() - which does the equiv of pargs -x <PID> | grep AT_SUN_EXECN...
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How to get ASCII value of string in C#

I want to get the ASCII value of characters in a string in C#. 15 Answers 15 ...
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OS detecting makefile

...detected_OS := $(patsubst MINGW%,MSYS,$(detected_OS)) endif Then you can select the relevant stuff depending on detected_OS: ifeq ($(detected_OS),Windows) CFLAGS += -D WIN32 endif ifeq ($(detected_OS),Darwin) # Mac OS X CFLAGS += -D OSX endif ifeq ($(detected_OS),Linux) CFLAGS ...
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How can I get a file's size in C? [duplicate]

...ring, which I allocate using malloc() . Just writing malloc(10000*sizeof(char)); is IMHO a bad idea. 8 Answers ...
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Remove all occurrences of char from string

... Try using the overload that takes CharSequence arguments (eg, String) rather than char: str = str.replace("X", ""); share | improve this answer | ...