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How to write iOS app purely in C
...eclaration, like this:
// int UIApplicationMain (int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName);
// So, we rely on the fact that for both the i386 & ARM architectures,
// the registers for parameters passed in remain the same whether or not
// you are using ...
What is move semantics?
...nderstand move semantics with example code. Let's start with a very simple string class which only holds a pointer to a heap-allocated block of memory:
#include <cstring>
#include <algorithm>
class string
{
char* data;
public:
string(const char* p)
{
size_t size =...
In Python, how do I create a string of n characters in one line of code?
I need to generate a string with n characters in Python. Is there a one line answer to achieve this with the existing Python library? For instance, I need a string of 10 letters:
...
Why the switch statement cannot be applied on strings?
...e reason why has to do with the type system. C/C++ doesn't really support strings as a type. It does support the idea of a constant char array but it doesn't really fully understand the notion of a string.
In order to generate the code for a switch statement the compiler must understand what it...
How to generate string of a certain length to insert into a file to meet a file size criteria?
...nd how many files to generate. What I need help with is how to generate a string less than or equal to the required file size.
...
How can we match a^n b^n with Java regex?
...'s start with a simpler problem: we want to match a+ at the beginning of a string, but only if it's followed immediately by b+. We can use ^ to anchor our match, and since we only want to match the a+ without the b+, we can use lookahead assertion (?=…).
Here is our pattern with a simple test harn...
string sanitizer for filename
I'm looking for a php function that will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?
...
Difference between Char.IsDigit() and Char.IsNumber() in C#
...(c)))
{
File.AppendAllText("IsNumberLike.txt", string.Format("{0},{1},{2},&#{3};,{4},{5}\n", i, c, Char.GetUnicodeCategory(c), i, Char.IsNumber(c), Char.IsDigit(c)));
}
}
}
Result looks following: As you can see there is stuff that one would ...
How to insert an element after another element in JavaScript without using a library?
... of the element such as events because outerHTML converts the element to a string. We need it because insertAdjacentHTML adds content from strings rather than elements.
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Why should hash functions use a prime number modulus?
... by taking the "component parts" of the input (characters in the case of a string), and multiplying them by the powers of some constant, and adding them together in some integer type. So for example a typical (although not especially good) hash of a string might be:
(first char) + k * (second char)...