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How to read the content of a file to a string in C?
... to interpret it) to open a file in C and read its contents into a string (char*, char[], whatever)?
11 Answers
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How to declare strings in C [duplicate]
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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[] =...
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 ...
Use of 'const' for function parameters
...ect, thus the const at the end of its declaration)
– CharonX
Oct 1 '18 at 9:54
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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...
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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Finding current executable's path without /proc/self/exe
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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...
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 ...
Remove all occurrences of char from string
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Try using the overload that takes CharSequence arguments (eg, String) rather than char:
str = str.replace("X", "");
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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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