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How to get the input from the Tkinter Text Widget?
...the very first character). END is an imported constant which is set to the string "end". The END part means to read until the end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan O...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...could look like this. From RMAppReceipt:
+ (NSData*)dataFromPKCS7Path:(NSString*)path
{
const char *cpath = [[path stringByStandardizingPath] fileSystemRepresentation];
FILE *fp = fopen(cpath, "rb");
if (!fp) return nil;
PKCS7 *p7 = d2i_PKCS7_fp(fp, NULL);
fclose(fp);
if ...
What is a segmentation fault?
...as marked as read-only:
char *str = "Foo"; // Compiler marks the constant string as read-only
*str = 'b'; // Which means this is illegal and results in a segfault
Dangling pointer points to a thing that does not exist any more, like here:
char *p = NULL;
{
char c;
p = &c;
}
// Now p ...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
...h mentioning about decoding behavior. getRequestURI() does not decode the string. Where getPathInfo() does decode.
– Kavindu Dodanduwa
Jul 6 '16 at 5:05
1
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逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...这六个关卡了。
===============phase_1===============
知识点：string，函数调用，栈
用了差不多一个星期断断续续地寻找感觉的phase_1，最主要不知道从何入手。虽然phase_1也不过10+行指令，但最初我的出发点错了：完全依靠人工去读...
Case insensitive XPath contains() possible?
...over all textnodes of my DOM and check if the nodeValue contains a certain string.
6 Answers
...
Characters allowed in a URL
... So if you're trying to, say, find the end of a url within a string (which I am), it would be best to go by the obsolete standards in the accepted answer... If you're validating url's you should use the set of characters on this answer.
– ashleedawg
...
REST API 404: Bad URI, or Missing Resource?
... Don't return 200 with an empty body.
This is akin to undefined vs empty string (e.g. "") in programming. While very similar, there is definitely a difference.
404 means that nothing exists at that URI (like an undefined variable in programming). Returning 200 with an empty body means that some...
Parse (split) a string in C++ using string delimiter (standard C++)
I am parsing a string in C++ using the following:
17 Answers
17
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How do you echo a 4-digit Unicode character in Bash?
...3 # Ceiling
local p=128 # Accum. bits
local s='' # Output string
(( c < 0x80 )) && { fast_chr "$c"; echo -n "$REPLY"; return; }
while (( c > o )); do
fast_chr $(( t = 0x80 | c & 0x3f ))
s="$REPLY$s"
(( c >>= 6, l++, p += o+1,...