大约有 45,000 项符合查询结果（耗时：0.0549秒） [XML]
What is the difference between a generative and a discriminative algorithm?
...erstand the difference between a generative and a
discriminative algorithm, keeping in mind that I am just a beginner.
...
Calling a function when ng-repeat has finished
...ally a "on ng repeat finished rendering" handler. I am able to detect when it is done but I can't figure out how to trigger a function from it.
...
When do we have to use copy constructors?
...iler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
...
Immutable vs Unmodifiable collection
...ther code may still have access to. So while you can't make any changes to it if you only have a reference to the unmodifiable collection, you can't rely on the contents not changing.
An immutable collection guarantees that nothing can change the collection any more. If it wraps a modifiable collec...
How to get rid of the 'undeclared selector' warning
I want to use a selector on an NSObject instance without the need for an implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
...
How do I use su to execute the rest of the bash script as that user?
I've written a script that takes, as an argument, a string that is a concatenation of a username and a project. The script is supposed to switch (su) to the username, cd to a specific directory based upon the project string.
...
What is better, adjacency lists or adjacency matrices for graph problems in C++?
...
It depends on the problem.
Adjacency Matrix
Uses O(n^2) memory
It is fast to lookup and check for presence or absence of a specific edge
between any two nodes O(1)
It is slow to iterate over all edges
It is slow to add/...
Get number days in a specified month using JavaScript? [duplicate]
..., February is 2, etc). This is
// because we're using 0 as the day so that it returns the last day
// of the last month, so you have to add 1 to the month number
// so it returns the correct amount of days
function daysInMonth (month, year) {
return new Date(year, month, 0).getDate();
}
// Jul...
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
...d a standardized memory model, but what exactly does that mean? And how is it going to affect C++ programming?
8 Answers
...
Python exit commands - why so many and when should each be used?
It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
...