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SQL DROP TABLE foreign key constraint
...this SQL (if you're on SQL Server 2005 and up):
SELECT *
FROM sys.foreign_keys
WHERE referenced_object_id = object_id('Student')
and if there are any, with this statement here, you could create SQL statements to actually drop those FK relations:
SELECT
'ALTER TABLE [' + OBJECT_SCHEMA_NAME...
Rails DB Migration - How To Drop a Table?
...ically, you can see how to drop a table using the following approach:
drop_table :table_name
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Source unreachable when using the NuGet Package Manager Console
...belongs here: https://nuget.codeplex.com/discussions/561075#PostDetailsCell_1354351, to "jpharris4".
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How can I use MS Visual Studio for Android Development?
...ontrol Panel > System > Advanced > Environment Variables)
ANDROID_HOME = <install_path>\android-sdk
ANDROID_NDK_ROOT = <install_path>\android-ndk
ANT_HOME = <install_path>\apache-ant
JAVA_HOME = <install_path>\jdk
_JAVA_OPTIONS = -Xms256m -Xmx512m
Download exa...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...社区 反馈 我要反馈 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; ...
How do I make an attributed string using Swift?
...
Now create the attributed g string (heh). Note: UIFont.systemFontOfSize(_) is now a failable initializer, so it has to be unwrapped before you can use it:
var attrs = [NSFontAttributeName : UIFont.systemFontOfSize(19.0)!]
var gString = NSMutableAttributedString(string:"g", attributes:attrs)
An...
Accessing Session Using ASP.NET Web API
...tion : System.Web.HttpApplication
{
...
protected void Application_PostAuthorizeRequest()
{
if (IsWebApiRequest())
{
HttpContext.Current.SetSessionStateBehavior(SessionStateBehavior.Required);
}
}
private bool IsWebApiRequest()
{
...
What is a stack trace, and how can I use it to debug my application errors?
...32 more
Caused by: java.sql.SQLException: Violation of unique constraint MY_ENTITY_UK_1: duplicate value(s) for column(s) MY_COLUMN in statement [...]
at org.hsqldb.jdbc.Util.throwError(Unknown Source)
at org.hsqldb.jdbc.jdbcPreparedStatement.executeUpdate(Unknown Source)
at com.mchange....
live output from subprocess command
...: # replace 'w' with 'wb' for Python 3
process = subprocess.Popen(your_command, stdout=subprocess.PIPE)
for c in iter(lambda: process.stdout.read(1), ''): # replace '' with b'' for Python 3
sys.stdout.write(c)
f.write(c)
or
import subprocess
import sys
with open('test.lo...
Overriding a JavaScript function while referencing the original
...
You could do something like this:
var a = (function() {
var original_a = a;
if (condition) {
return function() {
new_code();
original_a();
}
} else {
return function() {
original_a();
other_new_code();
}
...