大约有 30,000 项符合查询结果（耗时：0.0456秒） [XML]
What is the syntax for a default constructor for a generic class?
Is it forbidden in C# to implement a default constructor for a generic class?
3 Answers
...
What is for Python what 'explode' is for PHP?
...ble myvar = "Rajasekar SP" . I want to split it with delimiter like we do using explode in PHP.
2 Answers
...
Convert array of strings to List
I've seen examples of this done using .ToList() on array types, this seems to be available only in .Net 3.5+ . I'm working with .NET Framework 2.0 on an ASP.NET project that can't be upgraded at this time, so I was wondering: is there another solution? One that is more elegant than looping throug...
Xcode Find and replace in all project files
I need to replace NSLog with DDLogVerbose in all files in the current project I am working on… What is an easy method to do this? (the search navigator only has search in it).
...
Rails Migration: Remove constraint
...
Not sure you can call t.address? Anyway... I would use change_column like so
change_column :users, :address, :string, :null => true
Docs...
http://apidock.com/rails/ActiveRecord/ConnectionAdapters/SchemaStatements/change_col...
rspec 3 - stub a class method
I am upgrading from rspec 2.99 to rspec 3.0.3 and have converted instance methods to use allow_any_instance_of , but haven't figured out how to stub a class method. I have code like this:
...
Instance v state variables in react.js
In react.js, is it better to store a timeout reference as an instance variable (this.timeout) or a state variable (this.state.timeout)?
...
What is the Bash equivalent of Python's pass statement
Is there a Bash equivalent to the Python's pass statement?
2 Answers
2
...
Find substring in the string in TWIG
I want to find substring of the string or check if there is no such substring using Twig. On the words, I need analogue of 'strstr' or 'strpos' in php.
I googled and searched this issue in stackoverflow but nothing found. Does someone know how to solve this problem?
...
Java regular expression OR operator
This may be a dumb question, but I couldn't find it anywhere:
1 Answer
1
...