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@selector() in Swift?
.... (In previous versions you got that attribute for free in some cases, but now you have to explicitly declare it.)
Remember that private symbols aren't exposed to the runtime, too — your method needs to have at least internal visibility.
Key paths: These are related to but not quite the same as se...
What are the rules for the “…” token in the context of variadic templates?
...t side of ... is repeated — the unpacked patterns (call them expressions now) are separated by comma ,.
It can be best understood by some examples. Suppose you have this function template:
template<typename ...T> //pack
void f(T ... args) //pack
{
// here are unpack patterns
g( a...
How do I get the different parts of a Flask request's url?
...
new to Flask, i didn’t know where request object come from and how it works, here it is: flask.pocoo.org/docs/0.12/reqcontext
– Ulysse BN
Jan 27 '17 at 23:20
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
... I tried turning the onboard ATmega and fitting it in the other direction. Now, I encounter no problems uploading, but nothing happens afterwards. The onboard LED also does not seem to be blinking.
I'm afraid that if you reversed the position of the ATmega, and then it does not work, the fact that...
How do you convert a byte array to a hexadecimal string, and vice versa?
...t a String. String myValue = 10.ToString("X"); myValue is "A" not "0A". Now go read that string back into bytes, oops you broke it.
– 00jt
Jan 30 '13 at 19:25
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IIS_IUSRS and IUSR permissions in IIS8
...ine):
Press OK to add the user
With the new user (your domain) selected, now you can safely provide any Modify or Write permissions
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Why does volatile exist?
... in straight C. We used a hardware managed 16 bit value as a semaphore to know when the other guy was done. Essentially we did this:
void waitForSemaphore()
{
volatile uint16_t* semPtr = WELL_KNOWN_SEM_ADDR;/*well known address to my semaphore*/
while ((*semPtr) != IS_OK_FOR_ME_TO_PROCEED);
}...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
I have install Mountain Lion (Mac OS X 10.8) and now gcc doesn't seem to be available anymore. I've also installed Xcode 4.4 so there is no more /Developer directory.
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Move capture in lambda
How do I capture by move (also known as rvalue reference) in a C++11 lambda?
6 Answers
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convert_tz returns null
I know this sounds stupid, but when I use
9 Answers
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