大约有 40,000 项符合查询结果（耗时：0.0518秒） [XML]
Difference between events and delegates and its respective applications [closed]
...en certain conditions are met. For example, my Stock class has a property called Limit, and it raises an event when the stock prices reaches the Limit. This notification is done via an event. Whether anyone actually cares about this event and subscribes to it is beyond the concern of the owner class...
How to get a string after a specific substring?
...("world",1)[1]
split takes the word(or character) to split on and optionally a limit to the number of splits.
In this example split on "world" and limit it to only one split.
share
|
improve thi...
The difference between sys.stdout.write and print?
...ble, but by default with a space between args and newline at the end) and calls the write function of a given object. By default this object is sys.stdout, but you can pass a file using the "chevron" form. For example:
print >> open('file.txt', 'w'), 'Hello', 'World', 2+3
See: https://docs....
Correct way of using JQuery-Mobile/Phonegap together?
...
For all those who say it doesn't work - the order of declaring script matters. First include jquery, THEN THIS CODE inside a script element, then jquery mobile js.
– Manish
May 18 '13 at 20:...
How to clear the cache in NetBeans
... me absolutely crazy, trying to track down bugs for hours that weren't actually there -- the class with the main method was not being found, and some custom exception classes were not being recognized as implementing Throwable... I just deleted the stupid cache, and now all of it works fine.
...
Best implementation for hashCode method for a collection
... is a hard question because it depends on the usage pattern.
A for nearly all cases reasonable good implementation was proposed in Josh Bloch's Effective Java in Item 8 (second edition). The best thing is to look it up there because the author explains there why the approach is good.
A short vers...
Remove a marker from a GoogleMap
...tead of the MarkerOptions object that you used to create it). This object allows you to change the marker state later on. When you are finished with the marker, you can call Marker.remove() to remove it from the map.
As an aside, if you only want to hide it temporarily, you can toggle the visibil...
Cron job every three days
...
The answer is not correct because neither suggestion actually runs the job every 3 days. 0 0 */3 * * means run on the 1st, 4th, 7th, etc. (*/3 means 1-31/3 means 1,4,7...31) so the gap will be smaller at the end of the month. (It'll run 2 days in a row if the previous month had 3...
NOT using repository pattern, use the ORM as is (EF)
... The more I started digging I started asking myself the question: "Do I really need it?"
9 Answers
...
Design Pattern for Undo Engine
...this. Every user-action that's undoable gets its own command instance with all the information to execute the action and roll it back. You can then maintain a list of all the commands that have been executed and you can roll them back one by one.
...