大约有 42,000 项符合查询结果（耗时：0.0452秒） [XML]
Difference between freeze and seal
I just heard about the JavaScript methods freeze and seal , which can be used to make any Object immutable.
8 Answers
...
How to show math equations in general github's markdown(not github's blog)
...ed by the SunDown (ex libUpSkirt) library.
The motto of the library is "Standards compliant, fast, secure markdown processing library in C". The important word being "secure" there, considering your question :).
Indeed, allowing javascript to be executed would be a bit off of the MarkDown standar...
What is a callback function?
...allback function is a function which is:
accessible by another function, and
is invoked after the first function if that first 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 ...
What is the difference between Reader and InputStream?
What is the difference between Reader and InputStream?
And when to use what?
If I can use Reader for reading characters why I will use inputstream, I guess to read objects?
...
How to “return an object” in C++?
...t of the problem (I know the difference between having things on the stack and putting them on the heap).
8 Answers
...
How to concatenate two numbers in javascript?
...
Ok so, suposing the values 5 and 6 are in two variables: var1 = 5; var2 = 6; will it still work
– Heidi
Nov 12 '09 at 17:03
4
...
INotifyPropertyChanged vs. DependencyProperty in ViewModel
... use DependencyProperty for properties the View is going to bind against and I have seen the ViewModel implementing INotifyPropertyChanged instead.
...
Draw text in OpenGL ES
I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to render text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also.
...
How to clear the canvas for redrawing
After experimenting with composite operations and drawing images on the canvas I'm now trying to remove images and compositing. How do I do this?
...
Versioning SQL Server database
....html. I choose not to put schema dumps in under version control as alumb and others suggest because I want an easy way to upgrade my production database.
For a web application where I'll have a single production database instance, I use two techniques:
Database Upgrade Scripts
A sequence databa...