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“#include” a text file in a C program as a char[]
... use it like so
$ echo hello world > a
$ xxd -i a
outputs:
unsigned char a[] = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
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UnicodeEncodeError: 'latin-1' codec can't encode character
...t. They map exactly to the Unicode characters U+0080–U+009F, which are a selection of control characters. They're control characters that aren't used very much which is why browsers got away with it, but it's annoying when you are trying to convert a sequences of bytes-as-Unicode.
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Size of character ('a') in C/C++
What is the size of character in C and C++ ? As far as I know the size of char is 1 byte in both C and C++.
4 Answers
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JNI converting jstring to char *
... jstring data type through the use of JNI. And my library method needs a char * as url.
2 Answers
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“PKIX path building failed” and “unable to find valid certification path to requested target”
...pe example.cer
chrome - click on site icon left to address in address bar, select "Certificate" -> "Details" -> "Export" and save in format "Der-encoded binary, single certificate".
Now you have file with keystore and you have to add it to your JVM. Determine location of cacerts files, eg.
C...
How to define an enum with string value?
...value with each enum value, or in this case if every separator is a single character you could just use the char value:
enum Separator
{
Comma = ',',
Tab = '\t',
Space = ' '
}
(EDIT: Just to clarify, you can't make char the underlying type of the enum, but you can use char constants t...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试正则表达式
其它可用的测试工具:
RegexBuddy
Javascript正则表达式在线测试工具
如果你不觉得正则表达式很难读写的话，要么你是一个天才，要么，你不是地球人。正则表达式的语法很令人头疼，即使对经常使用它的人...
How do I duplicate a whole line in Emacs?
...
which breaks down to
C-a: move cursor to start of line
C-SPACE: begin a selection ("set mark")
C-n: move cursor to next line
M-w: copy region
C-y: paste ("yank")
The aforementioned
C-a C-k C-k C-y C-y
amounts to the same thing (TMTOWTDI)
C-a: move cursor to start of line
C-k: cut ("kill") ...
In C, how should I read a text file and print all strings
...
The simplest way is to read a character, and print it right after reading:
int c;
FILE *file;
file = fopen("test.txt", "r");
if (file) {
while ((c = getc(file)) != EOF)
putchar(c);
fclose(file);
}
c is int above, since EOF is a negative...
Understanding typedefs for function pointers in C
... 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 others' work? Thanks!
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