大约有 42,000 项符合查询结果（耗时：0.0359秒） [XML]
Explain the encapsulated anonymous function syntax
Can you explain the reasoning behind the syntax for encapsulated anonymous functions in JavaScript? Why does this work: (function(){})(); but this doesn't: function(){}(); ?
...
What is better, adjacency lists or adjacency matrices for graph problems in C++?
What is better, adjacency lists or adjacency matrix, for graph problems in C++?
What are the advantages and disadvantages of each?
...
How do you properly use namespaces in C++?
I come from a Java background, where packages are used, not namespaces. I'm used to putting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
...
Explain the use of a bit vector for determining if all characters are unique
I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this?
...
What is a word boundary in regex?
I am using Java regexes in Java 1.6 (to parse numeric output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways ...
What's the difference between a proxy server and a reverse proxy server? [closed]
What is the difference between a proxy server and a reverse proxy server?
21 Answers
2...
Java Generics (Wildcards)
I have a couple of questions about generic wildcards in Java:
6 Answers
6
...
Database, Table and Column Naming Conventions? [closed]
Whenever I design a database, I always wonder if there is a best way of naming an item in my database. Quite often I ask myself the following questions:
...
Java - removing first character of a string
In Java, I have a String:
12 Answers
12
...
Why must we define both == and != in C#?
The C# compiler requires that whenever a custom type defines operator == , it must also define != (see here ).
13 Answe...