大约有 48,000 项符合查询结果（耗时：0.0332秒） [XML]
structure vs class in swift language
...e is changed, the instance referenced by both variables is updated. Bob is now Sue, everywhere that Bob was ever referenced.
class SomeClass {
var name: String
init(name: String) {
self.name = name
}
}
var aClass = SomeClass(name: "Bob")
var bClass = aClass // aClass and bClass...
Why is Swift compile time so slow?
...le file (actually one method) that was causing the compiler to go berzek.
Now don't get me wrong. Swift does recompile all your files each time, but the great thing now, is that Apple added real-time compilation feedback over the files it compiles, so Xcode 6 GM now shows which Swift files are bein...
Convert Year/Month/Day to Day of Year in Python
...ery simple solution:
from datetime import datetime
day_of_year = datetime.now().timetuple().tm_yday
share
|
improve this answer
|
follow
|
...
How to write a large buffer into a binary file in C++, fast?
...es 2-5%.
Thanks a lot to everyone.
Update: 5 years have passed it's 2017 now. Compilers, hardware, libraries and my requirements have changed. That's why I made some changes to the code and did some new measurements.
First up the code:
#include <fstream>
#include <chrono>
#include &l...
How to enable C++11/C++0x support in Eclipse CDT?
...ou to do, then hit OK.
There is a description of this in the Eclipse FAQ now as well: Eclipse FAQ/C++11 Features.
Eclipse image setting
share
|
improve this answer
|
follo...
Loop through a date range with JavaScript
...ng around with milliseconds. Daylight savings aren't an issue either.
var now = new Date();
var daysOfYear = [];
for (var d = new Date(2012, 0, 1); d <= now; d.setDate(d.getDate() + 1)) {
daysOfYear.push(new Date(d));
}
Note that if you want to store the date, you'll need to make a new one...
How does PHP 'foreach' actually work?
Let me prefix this by saying that I know what foreach is, does and how to use it. This question concerns how it works under the bonnet, and I don't want any answers along the lines of "this is how you loop an array with foreach ".
...
How do I format date and time on ssrs report?
...
=Format(Now(), "MM/dd/yyyy hh:mm tt")
Output:
04/12/2013 05:09 PM
share
|
improve this answer
|
follow
...
How to Implement DOM Data Binding in JavaScript
...object. This way the change() can be invoked without an event as well.
So now, when the change event happens, it'll update both the element and the .data property. And the same will happen when you call .change() in your JavaScript program.
Using the code
Now you'd just create the new object, and...
Peak detection in a 2D array
...measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
...