大约有 10,120 项符合查询结果（耗时：0.0141秒） [XML]
What is the meaning of the prefix N in T-SQL statements and when should I use it?
I have seen prefix N in some insert T-SQL queries. Many people have used N before inserting the value in a table.
4 Answe...
How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
...
Entity Framework Timeouts
I am getting timeouts using the Entity Framework (EF) when using a function import that takes over 30 seconds to complete. I tried the following and have not been able to resolve this issue:
...
How to find/identify large commits in git history?
I have a 300 MB git repo. The total size of my currently checked-out files is 2 MB, and the total size of the rest of the git repo is 298 MB. This is basically a code-only repo that should not be more than a few MB.
...
What's the difference between IQueryable and IEnumerable
I'm confused as to the difference. Being fairly new to .Net, I know I can query IEnumerables using the Linq extensions. So what is this IQueryable and how does it differ?
...
Compile time string hashing
I have read in few different places that using C++11's new string literals it might be possible to compute a string's hash at compile time. However, no one seems to be ready to come out and say that it will be possible or how it would be done.
...
How do I return NotFound() IHttpActionResult with an error message or exception?
I am returning a NotFound IHttpActionResult , when something is not found in my WebApi GET action. Along with this response, I want to send a custom message and/or the exception message (if any). The current ApiController 's NotFound() method does not provide an overload to pass a message.
...
Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
What are differences between these commands in C#
8 Answers
8
...
Converting a date string to a DateTime object using Joda Time library
I have a date as a string in the following format "04/02/2011 20:27:05" . I am using Joda-Time library and would like to convert it to DateTime object. I did:
...
Measure the time it takes to execute a t-sql query
I have two t-sql queries using SqlServer 2005. How can I measure how long it takes for each one to run?
6 Answers
...