大约有 45,000 项符合查询结果(耗时:0.0389秒) [XML]
What is a callback function?
... completes
A nice way of imagining how a callback function works is that it is a function that is "called at the back" of the function it is passed into.
Maybe a better name would be a "call after" function.
This construct is very useful for asynchronous behaviour where we want an activity to t...
Should I hash the password before sending it to the server side?
I noticed that most sites send the passwords as plain text over HTTPS to the server. Is there any advantage if instead of that I sent the hash of the password to the server? Would it be more secure?
...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...ust putting List<Person> into the .NET dll file, but at runtime the JIT compiler goes and builds a new set of code, as if you had written a special list class just for containing people - something like ListOfPerson.
The benefit of this is that it makes it really fast. There's no casting or a...
Why is using 'eval' a bad practice?
...e. Just to name a few reasons:
There is almost always a better way to do it
Very dangerous and insecure
Makes debugging difficult
Slow
In your case you can use setattr instead:
class Song:
"""The class to store the details of each song"""
attsToStore=('Name', 'Artist', 'Album', 'Genre',...
How can I develop for iPhone using a Windows development machine?
Is there any way to tinker with the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows?
...
Private vs Protected - Visibility Good-Practice Concern [closed]
...ass more encapsulated, and allows for changing the internals of the class without affecting the code using your class.
If you design your class to be inheritable, then carefully choose what may be overridden and accessible from subclasses, and make that protected (and final, talking of Java, if yo...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
It is quite easy to load HTML content from your custom URLs/Web services using JQuery or any other similar framework. I've used this approach many times and till now and found the performance satisfactory.
...
What is the maximum value for an int32?
...
It's 2,147,483,647. Easiest way to memorize it is via a tattoo.
share
edited Feb 21 '18 at 1:13
...
Are braces necessary in one-line statements in JavaScript?
...nt you will need them.
This is perfectly valid
if (cond)
alert("Condition met!")
else
alert("Condition not met!")
However it is highly recommended that you always use braces because if you (or someone else) ever expands the statement it will be required.
This same practice follows in a...
When should I use the new keyword in C++?
...and I've been wondering about the new keyword. Simply, should I be using it, or not?
11 Answers
...