大约有 3,620 项符合查询结果（耗时：0.0215秒） [XML]
calculating the difference in months between two dates
...
This seems to be the same logic used by the Sql Server DateDiff(month, ...) function. It also has the advantage of being extremely concise and easy to explain and understand. I would explain it as follows... how many pages in the calendar would you have to turn to get ...
How do you implement a good profanity filter?
...estion that also has a PHP example (the main valuable part in there is the SQL-based filtered word approach -- the leet-speak compensator can be dispensed with if you find it unnecessary).
You also added: "Getting the list of words in the first place is the real question." -- in addition to some o...
PowerShell says “execution of scripts is disabled on this system.”
... across a similar question on SF site, "Powershell execution policy within SQL Server” asked Oct 10 '14. The answers there included Get-ExecutionPolicy -List which helped me to see the different scopes. The cmd Get-ExecutionPolicy does not show all the scopes. Import-Module SQLPS is now working...
JavaScript: client-side vs. server-side validation
...ch depends on related data. Developers regularly screw this up, but PostgreSQL provides some good solutions.
share
|
improve this answer
|
follow
|
...
Logging errors in ASP.NET MVC
... page level. It can be configured to log to various different places (like SQL Server, Email etc). It also provides a web frontend, so that you can browse through the log of exceptions.
Its the first thing I add to any asp.net mvc app I create.
I still use log4net, but I tend to use it for logging...
Function that creates a timestamp in c#
... order bits of the timestamp to lowest order simple string sorting in your SQL queries can be used to order by date if you're sticking values in a database
share
|
improve this answer
|
...
Why isn't there a Guid.IsNullOrEmpty() method
...T TRUE.
Agreed you can not programmatic set a Guid to null, but when some SQL pulls in a UniqueIdentifier and maps it to a Guid, and if that value is null in the db, the value comes up as null in the C#.
share
|
...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...
Another point is when querying a sql database, Single or SingleOrDefault will query for 2 records (limit 2) while First or FirstOrDefault will query for 1 (limit 1).
– Bart Calixto
Mar 14 '15 at 4:08
...
postgresql - replace all instances of a string within text field
In postgresql, how do I replace all instances of a string within a database column?
4 Answers
...
Count with IF condition in MySQL query
...
Or even SUM(ccc_news_comments.id = 'approved') as a MySQL-specific trick
– mojuba
Jan 21 '13 at 20:44
1
...