大约有 42,000 项符合查询结果（耗时：0.0391秒） [XML]
How would you make a comma-separated string from a list of strings?
What would be your preferred way to concatenate strings from a sequence such that between every two consecutive pairs a comma is added. That is, how do you map, for instance, ['a', 'b', 'c'] to 'a,b,c' ? (The cases ['s'] and [] should be mapped to 's' and '' , respectively.)
...
How do search engines deal with AngularJS applications?
I see two issues with AngularJS application regarding search engines and SEO:
15 Answers
...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
How can I use regular expressions in Excel and take advantage of Excel's powerful grid-like setup for data manipulation?
9 ...
What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
...
What is the easiest way in C# to trim a newline off of a string?
I want to make sure that _content does not end with a NewLine character:
10 Answers
10...
What is ActiveMQ used for - can we apply messaging concept using a Database?
I looked it up and it used to send messages between 2 systems.
But why? Why wouldn't you just use a Database ?
There must be some feature that ActiveMQ has that Databases do not?
...
Which are more performant, CTE or temporary tables?
Which are more performant, CTE or Temporary Tables ?
12 Answers
12
...
Why does pycharm propose to change method to static
The new pycharm release (3.1.3 community edition) proposes to convert the methods that don't work with the current object's state to static.
...
Protect .NET code from reverse engineering?
Obfuscation is one way, but it can't protect from breaking the piracy protection security of the application. How do I make sure that the application is not tampered with, and how do I make sure that the registration mechanism can't be reverse engineered?
...
Differences between cookies and sessions?
I am training in web developement and am learning about JSP & Servlets . I have some knowledge of HttpSession - I have used it in some of my sample projects.
...