大约有 47,000 项符合查询结果（耗时：0.0524秒） [XML]
How do I calculate the date six months from the current date using the datetime Python module?
...tage of this approach is that it takes care of issues with 28, 30, 31 days etc. This becomes very useful in handling business rules and scenarios (say invoice generation etc.)
$ date(2010,12,31)+relativedelta(months=+1)
datetime.date(2011, 1, 31)
$ date(2010,12,31)+relativedelta(months=+2)
dat...
Is there any simple way to find out unused strings in Android project?
...ernationalization problems (hardcoded strings, missing contentDescription, etc)
- Icon problems (like missing densities, duplicate icons, wrong sizes, etc)
- Usability problems (like not specifying an input type on a text field)
- Manifest errors
and many more.
...
Understanding how recursive functions work
...ot been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it.
...
Java 8 stream's .min() and .max(): why does this compile?
...ompared against each other to find the minimum or maximum, in some optimal order that you don't need to worry too much about.
So the question is, of course, why is Integer::max accepted? After all it's not a comparator!
The answer is in the way that the new lambda functionality works in Java 8. ...
Why switch is faster than if
...tiguous (or mostly contiguous with no large gaps) (case 0: case 1: case 2, etc.), then TableSwitch is used.
If the offsets are spread out with large gaps (case 0: case 400: case 93748:, etc.), then LookupSwitch is used.
The difference, in short, is that TableSwitch is done in constant time because...
How to loop through all the properties of a class?
...ic instance properties (excluding static properties, protected properties, etc).
You don't need to specify BindingFlags.GetProperty, you use that when calling type.InvokeMember() to get the value of a property.
share
...
Rake just one migration
...r_migrations.rb'
=> ["YourMigrations"]
>> YourMigrations.up
=> etc... as the migration runs
>> YourMigration.down
More usefully this could be put into a rake task etc.
share
|
im...
How can I update window.location.hash without jumping the document?
...owsers as follows:
if (history.pushState) {
// IE10, Firefox, Chrome, etc.
window.history.pushState(null, null, '#' + id);
} else {
// IE9, IE8, etc
window.location.hash = '#!' + id;
}
As observed by Gavin Brock, to capture the id back you will have to treat the string (which in t...
Extension method and dynamic object
...static class that has an extension method that matches. The search goes in order based on the namespace nesting and available using directives in each namespace.
That means that in order to get a dynamic extension method invocation resolved correctly, somehow the DLR has to know at runtime what al...
How to define two angular apps / modules in one page?
...
Have you tried to invert order of the 2 modules ?('otherModule' before 'app') Because, I use this solution a lot and it works perfectly...
– Monkey Monk
Mar 3 '15 at 17:05
...