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Most lightweight way to create a random string and a random hexadecimal number
... I did take a look at the other functions in binascii, they do have base64 and uuencode, but no way to generate the first kind of strings he wants (base36).
– wump
May 6 '10 at 16:49
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Where are static variables stored in C and C++?
...touched that, consider reading this post first.
Let's analyze a Linux x86-64 ELF example to see it ourselves:
#include <stdio.h>
int f() {
static int i = 1;
i++;
return i;
}
int main() {
printf("%d\n", f());
printf("%d\n", f());
return 0;
}
Compile with:
gcc -ggd...
What would cause an algorithm to have O(log log n) complexity?
...er algorithm (but still rather hard) with running time O(n log log n), the base of algorithm is as follow (just very rough description, and I'd offer to skip understanding this part and read the other part of the answer):
divide graph into the parts of size O(log n/(log log n)) with some restricti...
Android read text raw resource file
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What if you use a character-based BufferedReader instead of byte-based InputStream?
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String line = reader.readLine();
while (line != null) { ... }
Don't forget that readLi...
Inserting HTML into a div
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to compile python script to binary executable
... cross platform.. however, if I had to quickly judge which one to use just based on GitHub stars, PyInstaller has ~4000 stars, cx_Freeze has 200 stars. So PyInstaller seems to be more popular and probably has more edge cases covered. why do you think cx_Freeze is better than PyInstaller?
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Do Swift-based applications work on OS X 10.9/iOS 7 and lower?
Will Swift-based applications work on OS X 10.9 (Mavericks)/iOS 7 and lower?
19 Answers
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Convert a character digit to the corresponding integer in C
...strtol() works like this:
long strtol(const char *str, char **endptr, int base);
It converts *str to a long, treating it as if it were a base base number. If **endptr isn't null, it holds the first non-digit character strtol() found (but who cares about that).
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各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...se
{
printf("文件已经打开。");
}
/*读文件*/
char ch[64] = {0};
printf("文件内容：\n");
while(!feof(fp)) //判定文件是否结尾
{
if(fgets(ch, 64, fp) != NULL)
printf("%s", ch);
}
/*写文件：写完一定要关闭文件*/
fputs("write test", fp);...
Tab space instead of multiple non-breaking spaces (“nbsp”)?
...nt font. &emsp; is slightly bigger. I can see the difference in Chrome 64 and FireFox 58.
– Dmitry
Mar 7 '18 at 14:00
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