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How to make my custom type to work with “range-based for loops”?
... that your end iterator can read "check your char* to see if it points to '0'" when == with a char*. This allows a C++ range-for expression to generate optimal code when iterating over a null-terminated char* buffer.
struct null_sentinal_t {
template<class Rhs,
std::enable_if_t<!std::is...
Random number generation in C++11: how to generate, how does it work? [closed]
...uppose you have a simple random number generator that generate the numbers 0, 1, ..., 10 each with equal probability (think of this as the classic rand()). Now you want a random number in the range 0, 1, 2, each with equal probability. Your knee-jerk reaction would be to take rand() % 3. But wait, t...
CALL command vs. START with /WAIT option
...ll remain open
– FrinkTheBrave
Mar 30 '15 at 7:36
5
You can find the comparison between CALL and ...
Rails server says port already used, how to kill that process?
...
708
Assuming you're looking to kill whatever is on port 3000 (which is what webrick normally uses),...
Why do access tokens expire?
... |
edited Sep 2 '16 at 12:02
Alex Spurling
45.3k2020 gold badges6060 silver badges6868 bronze badges
ans...
You have already activated X, but your Gemfile requires Y
...way to do this.
Basically what's happening is that you've updated rake to 0.9.2 which now conflicts with the version specified in your Gemfile. Previously the latest version of rake you had matched the version in your Gemfile, so you didn't get any warning when simply using rake.
Yehuda Katz (one ...
Optimise PostgreSQL for fast testing
...shsafe and might eat your data.
Learning
Greg Smith's book, PostgreSQL 9.0 High Performance remains relevant despite referring to a somewhat older version. It should be a useful reference.
Join the PostgreSQL general mailing list and follow it.
Reading:
Tuning your PostgreSQL server - PostgreS...
How can I convert a string to boolean in JavaScript?
...
204
myValue === 'true'; is precisely equivalent to myValue == 'true';. There is no benefit in using === over == here.
– T...
What do 'statically linked' and 'dynamically linked' mean?
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450
There are (in most cases, discounting interpreted code) two stages in getting from source code (...
await vs Task.Wait - Deadlock?
...
Mario Sannum
10.6k88 gold badges3434 silver badges4545 bronze badges
answered Oct 30 '12 at 14:19
Stephen ClearySte...