大约有 26,000 项符合查询结果（耗时：0.0490秒） [XML]
CocoaPods - use specific pod version
I am using CocoaPods for a macOS app. I have compilation errors with AFNetworking (current version, 1.2.1) and saw that these didn't exist in the previous version (1.2.0).
...
How to trim leading and trailing white spaces of a string?
Which is the effective way to trim the leading and trailing white spaces of string variable in Go?
7 Answers
...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...d to use the IPython Notebook and am enjoying it. Sometimes, I write buggy code that takes massive memory requirements or has an infinite loop. I find the "interrupt kernel" option sluggish or unreliable, and sometimes I have to restart the kernel, losing everything in memory.
...
How to configure PostgreSQL to accept all incoming connections
I've got a PostgreSQL data base that I'd like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4.
...
How to show SQL queries run in the Rails console?
When I run queries (e.g. MyModel.where(...) or record.associated_things ) in the console, how can I see the actual database queries being run so I can gain more understanding of what is happening?
...
WPF: How to display an image at its original size?
...
Active
Oldest
Votes
...
Validate uniqueness of multiple columns
Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
...
Difference between database and schema
What's the difference between a Database and a Schema in SQL Server? Both are the containers of tables and data.
5 Answers
...
Removing a model in rails (reverse of “rails g model Title…”)
How can I completely remove this model? Thanks
5 Answers
5
...