大约有 13,069 项符合查询结果（耗时：0.0110秒） [XML]
MySQL's now() +1 day
I'm using now() in MySQL query.
4 Answers
4
...
Difference between sampling and profiling in jVisualVM
VisualVM has two separate tabs for sampling and profiling. What is the difference between sampling and profiling in VisualVM?
...
How to create an instance of anonymous class of abstract class in Kotlin?
Assume that KeyAdapter is an abstract class with several methods that can be overridden.
1 Answer
...
Passing arguments with spaces between (bash) script
...
$*, unquoted, expands to two words. You need to quote it so that someApp receives a single argument.
someApp "$*"
It's possible that you want to use $@ instead, so that someApp would receive two arguments if you were to call b...
Join an Array in Objective-C
I'm looking for a method of turning a NSMutableArray into a string. Is there anything on a par with this Ruby array method?
...
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...