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Use tab to indent in textarea
... cleaner to use a variable or function parameter and store the indentation char(s) there. But you know what to replace now: The +1 defines how much chars the caret is moved.
– StanE
Oct 13 '16 at 17:13
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...n multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a goo...
Do you use NULL or 0 (zero) for pointers in C++?
... a C-change in the general consensus about this.
– Richard Corden
Oct 7 '08 at 9:49
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How can I output the value of an enum class in C++11
...;< together, with the error error: cannot bind ‘std::basic_ostream<char>’ lvalue to ‘std::basic_ostream<char>&&’. this appears to be because when the stream is temporary, the ADL fails, and the above template is not a possibility. any tips?
– of...
Hidden features of C
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Multi-character constants:
int x = 'ABCD';
This sets x to 0x41424344 (or 0x44434241, depending on architecture).
EDIT: This technique is not portable, especially if you serialize the int.
However, it can be extremely useful to ...
How do I retrieve my MySQL username and password?
...ny additional entropy). Decrypting is easy peasy:
std::vector<unsigned char> decrypt(BYTE *input, size_t length) {
DATA_BLOB inblob { length, input };
DATA_BLOB outblob;
if (!CryptUnprotectData(&inblob, NULL, NULL, NULL, NULL, CRYPTPROTECT_UI_FORBIDDEN, &outblob)) {
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Variable declaration placement in C
...declare all of your variables at the beginning of a scope block.
So, your char c declaration is valid as it is at the top of the for loop scope block. But, the char *s declaration should be an error.
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Python int to binary string?
...ring type. Maybe a language where all strings are stored backwards or each char is a node in a linked list? For any typical language a string is basically an array of chars. In that case prefixing a string requires that a copy is made, how else are you going to put the character before the other cha...
What is a good Hash Function?
... that differ only in the last 4 bytes can collide easily. If you have a 30 character string, that differ in the last 4 bytes, after 28 bytes have been processes, the hashes differ only in the last 2 bytes. That means you are GUARANTEED a collision for one of the remaining two-byte values. (Yeah, it'...
Check if a string contains another string
...ontains a ","(comma) in it. Do we have any other option other than reading char-by-char?
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