大约有 21,000 项符合查询结果（耗时：0.0438秒） [XML]
Entity Framework code first unique column
...ndex") { IsUnique = true }
}
));
This will create the following SQL script:
CREATE UNIQUE NONCLUSTERED INDEX [Index] ON [dbo].[Users]
(
[UserName] ASC
)
WITH (
PAD_INDEX = OFF,
STATISTICS_NORECOMPUTE = OFF,
SORT_IN_TEMPDB = OFF,
IGNORE_DUP_KEY = OFF,
DROP_EXISTING...
Check if a string is null or empty in XSLT
...
test="categoryName != ''"
Edit: This covers the most likely interpretation, in my opinion, of "[not] null or empty" as inferred from the question, including it's pseudo-code and my own early experience with XSLT. I.e., "Wha...
How should I write tests for Forms in Django?
I'd like to simulate requests to my views in Django when I'm writing tests. This is mainly to test the forms. Here's a snippet of a simple test request:
...
When would you use delegates in C#? [closed]
... handy (although the example is a little contrived).
string sTableName = "test";
string sQuery = "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='" + sTableName + "'";
DataProvider.UseReader( sQuery,
delegate( System.Data.IDataReader reader )
{
Console.WriteLin...
Escape single quote character for use in an SQLite query
...
In bash scripts, I found that escaping double quotes around the value was necessary for values that could be null or contained characters that require escaping (like hyphens).
In this example, columnA's value could be null or contain...
How to convert View Model into JSON object in ASP.NET MVC?
...VC2 project where I want to have a partial view to wrap a widget. Each JavaScript widget object has a JSON data object that would be populated by the model data. Then methods to update this data are bound to events when data is changed in the widget or if that data is changed in another widget.
...
Android Studio: Plugin with id 'android-library' not found
...asting the following code at the beginning of the Gradle build file:
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:1.1.1'
}
}
Replace version string 1.0.+ with the latest version. Released versions of Gradle ...
Read properties file outside JAR file
...operties is at the current directory . You can just write a little startup script that switches into to the right directory in before, like
#! /bin/bash
scriptdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd $scriptdir
java -jar MyExecutable.jar
cd -
In your project just put th...
How do I drop table variables in SQL-Server? Should I even do this?
I have a table variable in a script (not a stored procedure). Two questions:
6 Answers
...
Determine if code is running as part of a unit test
I have a unit test (nUnit). Many layers down the call stack a method will fail if it is running via a unit test.
19 Answers...