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Are there any downsides to passing structs by value in C, rather than passing a pointer?
...ucts (eg point, rect) passing by value is perfectly acceptable. But, apart from speed, there is one other reason why you should be careful passing/returning large structs by value: Stack space.
A lot of C programming is for embedded systems, where memory is at a premium, and stack sizes may be meas...
When NOT to use yield (return) [duplicate]
...t get thrown until the iterator is
// iterated, which can be very far away from this method invocation
public IEnumerable<string> Foo(Bar baz)
{
if (baz == null)
throw new ArgumentNullException();
yield ...
}
// DO this
public IEnumerable<string> Foo(Bar baz)
{
if ...
How to discard all changes made to a branch?
...f a specific branch to be equal with the master branch. To do so, run this from within the specific branch, and then delete the [branch name].diff file when done using git rm [branch name].diff
– karolus
May 8 at 12:37
...
Check whether a string matches a regex in JS
...0-9]{5,})$/.test('abc123')); // true
...and you could remove the () from your regexp since you've no need for a capture.
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Does git return specific return error codes?
...
From a comment in the source code of builtin/merge.c: "The backend exits with 1 when conflicts are left to be resolved, with 2 when it does not handle the given merge at all."
– Mike
Fe...
Why should I use Restify?
...nd would act like a custom-built framework for building REST APIs. Restify from its intro is recommended for the same case.
...
Is there a way to iterate over a range of integers?
...on version of the for loop (i.e. you can do a lot more with it, the syntax from the OP is only good for that more restricted case of a number range, so in any language you're going to want this extended version) and it sufficiently accomplishes the same task, and isn't remarkably different anyway, s...
C# listView, how do I add items to columns 2, 3 and 4 etc?
...ou at least take the time to skim the documentation on any objects you use from the .net framework. While the documentation can be pretty poor at some times it is still invaluable especially when you run into situations like this.
But as James Atkinson said it's simply a matter of adding subitems t...
Get last record in a queryset
... this, using reverse():
queryset.reverse()[0]
Also, beware this warning from the Django documentation:
... note that reverse() should
generally only be called on a QuerySet
which has a defined ordering (e.g.,
when querying against a model which
defines a default ordering, or when
us...
Get first and last day of month using threeten, LocalDate
... my opinion, see this use of YearMonth class.
YearMonth month = YearMonth.from(date);
LocalDate start = month.atDay(1);
LocalDate end = month.atEndOfMonth();
For the first & last day of the current month, this becomes:
LocalDate start = YearMonth.now().atDay(1);
LocalDate end = YearMonth...