大约有 3,551 项符合查询结果(耗时:0.0263秒) [XML]
Table Naming Dilemma: Singular vs. Plural Names [closed]
...picker. Plural names don't just look dumb in ORM code. Plurals look bad in SQL too, especially when referring to a unique attribute. Who's never written select user.id from users? Or perhaps ...from users left join on thingy.user_id = user.id...?
– Samuel Danielson
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How to perform .Max() on a property of all objects in a collection and return the object with maximu
...imple and flexible. Another advantage is being able to use it with LINQ to SQL:
var maxObject = list.OrderByDescending(item => item.Height).First();
Note that this has the advantage of enumerating the list sequence just once. While it might not matter if list is a List<T> that doesn't ch...
C# Pass Lambda Expression as Method Parameter
...; getJobs(Func<FullTimeJob, Student, FullTimeJob> lambda)
{
using (SqlConnection connection = new SqlConnection(getConnectionString())) {
connection.Open();
return connection.Query<FullTimeJob, Student, FullTimeJob>(sql,
lambda,
splitOn: "user_id",
para...
Should sorting logic be placed in the model, the view, or the controller? [closed]
...r model, or even in the persistence layer that backs your model (e.g. your SQL database).
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How to create ENUM type in SQLite?
I need to convert a table from MySQL to SQLite, but I can't figure out how to convert an enum field, because I can't find ENUM type in SQLite.
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How to set up Spark on Windows?
...lang.IllegalArgumentException: Error while instantiating 'org.apache.spark.sql.hive.HiveSessionState'". Do I need an extra step for installing hive?
– Stefan
Mar 31 '17 at 19:52
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How to make Entity Framework Data Context Readonly
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Does this method allow for use of a db_datareader only sql login? With a standard DBContext EF throws CREATE TABLE permission denied even when my query code doesn't include any SaveChanges().
– reachingnexus
Mar 20 '19 at 20:02
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What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
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for non-sql related adapters , will getItemId still have a purpose? if so , what should be returned? position?
– android developer
Jun 21 '12 at 11:32
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Join a list of strings in python and wrap each string in quotation marks
...h F Strings (for python 3.6+), I've used backticks for a string used for a SQL script.
keys = ['foo', 'bar' , 'omg']
', '.join(f'`{k}`' for k in keys)
# result: '`foo`, `bar`, `omg`'
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Can I make git recognize a UTF-16 file as text?
... me. As per @OK comment, the "set" is irrelevant here, just *.vmc diff , *.sql diff etc.. is needed to set the 'diff' attribute for the path specified. (I can't edit the answer). 2 caveats however : diffs are shown with a space between each character, and not possible to "stage hunk" or "discard hu...