大约有 40,000 项符合查询结果(耗时:0.0432秒) [XML]
Entity Framework code first unique column
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[Index(IsUnique=true)]
You can find it in this namespace:
using System.ComponentModel.DataAnnotations.Schema;
If your model field is a string, make sure it is not set to nvarchar(MAX) in SQL Server or you will see this error with Entity Framework Code First:
Column 'x' in table 'dbo.y' is ...
Tools for Generating Mock Data? [closed]
I'm looking for recommendations of a good, free tool for generating sample data for the purpose of loading into test databases. By analogy, something that produces " lorem ipsum " text for any RDBMS. Features I'm looking for include:
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Only using @JsonIgnore during serialization, but not deserialization
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gist.github.com/thurloat/2510887 for Jackson JSON ignore on deserialize only
– Hadas
Nov 26 '14 at 10:15
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Android: Rotate image in imageview by an angle
... to rotate a image in ImageView by an angle. Is there any simpler and less complex method available.
25 Answers
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How to prevent IFRAME from redirecting top-level window
...sandbox property. Please see Pankrat's answer below.
http://www.html5rocks.com/en/tutorials/security/sandboxed-iframes/
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Remove credentials from Git
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If this problem comes on a Windows machine, do the following.
Go to Credential Manager
in German, it is called: Anmeldeinformationsverwaltung
in French, it is called: Gestionnaire d'identification
Go to Windows Credentials
Delete the ent...
How to prevent long words from breaking my div?
Ever since switching from TABLE-layout to DIV-layout, one common problem remains:
26 Answers
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How do I prevent an Android device from going to sleep programmatically?
...ficial Documentation says "If you need to keep the CPU running in order to complete some work before the device goes to sleep, you can use a PowerManager system service feature called wake locks."
– Joaquin Iurchuk
Feb 10 '16 at 13:58
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What's the difference between REST & RESTful
... "REST" webservices which only used GET or POST. RESTful accentuate on the complete use of HTTP verbs, and URL naming conventions. But it's my point of view.
– Martin
Jan 8 '15 at 9:24
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How to get current foreground activity context in android?
... am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
ComponentName cn = am.getRunningTasks(1).get(0).topActivity;
UPDATE 2018/10/03
getRunningTasks() is DEPRECATED. see the solutions below.
This method was deprecated in API level 21.
As of Build.VERSION_CODES.LOLLIPOP, this ...
