大约有 30,000 项符合查询结果(耗时:0.0342秒) [XML]
Shorten string without cutting words in JavaScript
I'm not very good with string manipulation in JavaScript, and I was wondering how you would go about shortening a string without cutting any word off. I know how to use substring, but not indexOf or anything really well.
...
What does static_assert do, and what would you use it for?
Could you give an example where static_assert(...) ('C++11') would solve the problem in hand elegantly?
8 Answers
...
How can I rename a database column in a Ruby on Rails migration?
...
http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
Under Available Transformations
rename_column(table_name, column_name, new_column_name):
Renames a column but keeps the type and content.
...
How do you list the primary key of a SQL Server table?
Simple question, how do you list the primary key of a table with T-SQL? I know how to get indexes on a table, but can't remember how to get the PK.
...
how can I Update top 100 records in sql server
I want to update the top 100 records in SQL Server. I have a table T1 with fields F1 and F2 . T1 has 200 records. I want to update the F1 field in the top 100 records. How can I update based on TOP 100 in SQL Server?
...
Why does modern Perl avoid UTF-8 by default?
I wonder why most modern solutions built using Perl don't enable UTF-8 by default.
7 Answers
...
T-SQL CASE Clause: How to specify WHEN NULL
I wrote a T-SQL Statement similar like this (the original one looks different but I want to give an easy example here):
15 ...
Building and running app via Gradle and Android Studio is slower than via Eclipse
...DE.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# The Gradle daemon aims to improve the startup and execution time of Gradle.
# When set to true the Gradle daemon is to run the build.
# TODO: disable daem...
Should the hash code of null always be zero, in .NET
Given that collections like System.Collections.Generic.HashSet<> accept null as a set member, one can ask what the hash code of null should be. It looks like the framework uses 0 :
...
How do I use LINQ Contains(string[]) instead of Contains(string)
I got one big question.
22 Answers
22
...
