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Why doesn't std::queue::pop return value.?
...e popped element is unsafe in the presence of exceptions (having to return by value and thus creating a copy).
Consider this scenario (with a naive/made up pop implementation, to ilustrate my point):
template<class T>
class queue {
T* elements;
std::size_t top_position;
// stuff ...
Android studio, gradle and NDK
...his solved my problem. I really think NDK build is better separately built by Android.mk command line makefile only, not by gradle script since C/C++ has been built by Makefile for more than 40 years!
– tonga
Jan 14 '15 at 16:03
...
Joda-Time: what's the difference between Period, Interval and Duration?
...r than of relative performance. From the documentation with comments added by me in italics:
An interval in Joda-Time represents an interval of time from one millisecond instant to another instant. Both instants are fully specified instants in the datetime continuum, complete with time zone. Spec...
Placing Unicode character in CSS content value [duplicate]
...e character inside a string is \000000 to \FFFFFF – a backslash followed by six hexadecimal digits. You can leave out leading 0 digits when the Unicode character is the last character in the string or when you add a space after the Unicode character. See the spec below for full details.
Relevan...
Java: splitting a comma-separated string but ignoring commas in quotes
... }
}
which produces the same as the first example.
EDIT
As mentioned by @MikeFHay in the comments:
I prefer using Guava's Splitter, as it has saner defaults (see discussion above about empty matches being trimmed by String#split(), so I did:
Splitter.on(Pattern.compile(",(?=(?:[^\"]*\"[^...
Multiple Parameters for jQuery selector?
...ook to the documentation of the jQuery function:
Selector Context
By default, selectors perform their
searches within the DOM starting at
the document root. However, an
alternate context can be given for the
search by using the optional second
parameter to the $() function. For
...
Splitting a Java String by the pipe symbol using split(“|”)
...
This solution is already pointed by accepted answer. No need to repeat it.
– Pshemo
Jan 14 '17 at 16:29
add a comment
...
await vs Task.Wait - Deadlock?
...is scheduled as a continuation.
You also mentioned a "cooperative block", by which I assume you mean a task that you're Waiting on may execute on the waiting thread. There are situations where this can happen, but it's an optimization. There are many situations where it can't happen, like if the ta...
How to retrieve a single file from a specific revision in Git?
...sion, meaning you can use any of the following:
branch name (as suggested by ash)
HEAD + x number of ^ characters
The SHA1 hash of a given revision
The first few (maybe 5) characters of a given SHA1 hash
Tip It's important to remember that when using "git show", always specify a path from the root...
PHP mkdir: Permission denied problem
...e directory.
Here's what you do in Ubuntu
Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user
chown -R www-data:www-data /path/to/webserver/www
Next enabled all members of the www-data group to read and write files
chmod -R g+rw /path/to/webse...