大约有 42,000 项符合查询结果（耗时：0.0418秒） [XML]
What does “use strict” do in JavaScript, and what is the reasoning behind it?
Recently, I ran some of my JavaScript code through Crockford's JSLint , and it gave the following error:
28 Answers
...
Break when a value changes using the Visual Studio debugger
Is there a way to place a watch on variable and only have Visual Studio break when that value changes?
13 Answers
...
Difference between a class and a module
I came from Java, and now I am working more with Ruby.
9 Answers
9
...
Hash Code and Checksum - what's the difference?
My understanding is that a hash code and checksum are similar things - a numeric value, computed for a block of data, that is relatively unique.
...
What is the syntax rule for having trailing commas in tuple definitions?
In the case of a single element tuple, the trailing comma is required.
10 Answers
10
...
Can I create a One-Time-Use Function in a Script or Stored Procedure?
In SQL Server 2005, is there a concept of a one-time-use, or local function declared inside of a SQL script or Stored Procedure? I'd like to abstract away some complexity in a script I'm writing, but it would require being able to declare a function.
...
How to call getClass() from a static method in Java?
I have a class that must have some static methods. Inside these static methods I need to call the method getClass() to make the following call:
...
Blocks and yields in Ruby
I am trying to understand blocks and yield and how they work in Ruby.
10 Answers
10
...
String formatting named parameters?
I know it's a really simple question, but I have no idea how to google it.
6 Answers
6...
How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
I have a innoDB table which records online users. It gets updated on every page refresh by a user to keep track of which pages they are on and their last access date to the site. I then have a cron that runs every 15 minutes to DELETE old records.
...