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Why does flowing off the end of a non-void function without returning a value not produce a compiler
...times it is wrong and you have to put in an unnecessary return statement.
char getChoice() {
int ch = read();
if (ch == -1 || ch == 'q') {
System.exit(0);
}
else {
return (char) ch;
}
// Cannot reach here, but still an error.
}
It's a philosophical differ...
How to implement an STL-style iterator and avoid common pitfalls?
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http://www.cplusplus.com/reference/std/iterator/ has a handy chart that details the specs of § 24.2.2 of the C++11 standard. Basically, the iterators have tags that describe the valid operations, and the tags have a hierarchy. Below is purely symbolic, these classes don't actually e...
What is the X-REQUEST-ID http header?
...up the corresponding log statements (without having to rely on timestamps, IPs, etc).
As this ID is generated (randomly) by the client it does not contain any sensitive information, and should thus not violate the user's privacy. As a unique ID is created per request it does also not help with trac...
How to reuse an ostringstream?
...ct of the deprecated std::strstream, which was able to write directly to a char array you allocated on the stack. You had to insert a terminating null manually. However, std::ends is not deprecated, i think because it's still useful as in the above cases.
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Linux: compute a single hash for a given folder & contents?
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@RichardBronosky - Let us assume we have two files, A and B. A contains "foo" and B contains "bar was here". With your method, we would not be able to separate that from two files C and D, where C contains "foobar" and D contain...
Push Notifications in Android Platform
...s it keep a socket open at all times? How does it notify the server if its ip address has changed? Would appreciate it if you could shed some light on this. Cheers Naren
– Naren
Nov 5 '09 at 6:14
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What exactly is OAuth (Open Authorization)?
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yeah You can use the IP Address as the redirect URL: redirect_uri='127.0.0.1:4200' and the OAuth Domain name should be 127.0.0.1
– Samson Maben
Aug 17 '17 at 10:48
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What is the max size of localStorage values?
... Doesn't crash Chrome anymore... Interesting point: 5MB equals 2.5 Million chars on Chrome. So apparently, UFT16 is used for localStore.
– Felix Alcala
Sep 3 '11 at 17:10
1
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What happens to global and static variables in a shared library when it is dynamically linked?
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@camino __declspec(dllexport)
– ruipacheco
Sep 26 '19 at 13:46
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How to make the 'cut' command treat same sequental delimiters as one?
... page:
-s, --squeeze-repeats replace each input sequence of a repeated character
that is listed in SET1 with a single occurrence
of that character
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