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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
...n you try to delete on table BookCourses only the table itself is affected and not on the Courses
follow-up question: why do you have CourseID on table Category?
Maybe you should restructure your schema into this,
CREATE TABLE Categories
(
Code CHAR(4) NOT NULL PRIMARY KEY,
CategoryName VARC...
How can I create an executable JAR with dependencies using Maven?
.../configuration>
</plugin>
</plugins>
</build>
and you run it with
mvn clean compile assembly:single
Compile goal should be added before assembly:single or otherwise the code on your own project is not included.
See more details in comments.
Commonly this goal is t...
Create a folder if it doesn't already exist
...777, true);
}
Note that 0777 is already the default mode for directories and may still be modified by the current umask.
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Meaning of …interface{} (dot dot dot interface)
...ype prefixed with .... A function with such a parameter is called variadic and may be invoked with zero or more arguments for that parameter.
A parameter:
a ...interface{}
Is, for the function equivalent to:
a []interface{}
The difference is how you pass the arguments to such a function. It is do...
Placing/Overlapping(z-index) a view above another view in android
I have a linear layout which consists of imageview and textview , one below another in a linear layout.
11 Answers
...
“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
...ew MMC.
File --> Add/Remove Snap-In...
Click Add...
Choose Certificates and click Add.
Check the "Computer Account" radio button. Click Next.
Choose the client computer in the next screen. Click Finish.
Click Close.
Click OK.
NOW install the certificate into the Trusted Root Certification Author...
Excel VBA App stops spontaneously with message “Code execution has been halted”
...expected solution for a bizarre problem. After pressing [Ctrl+Break] twice and continuing, I saved the file. After that, the problem no longer appeared when I closed and re-opened the file.
– dbenham
Oct 1 '12 at 16:59
...
Detecting if an NSString contains…?
...
Actually you can just add space on the beginning and end of the string and " is " will match string begins with "is"
– user4951
Nov 12 '12 at 7:41
...
What's the best way to retry an AJAX request on failure using jQuery?
... return;
}
if (xhr.status == 500) {
//handle error
} else {
//handle error
}
}
});
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...
Get class that defined method
... else:
classes = list(c.__bases__) + classes
return None
And the Example:
>>> class A(object):
... def test(self): pass
>>> class B(A): pass
>>> class C(B): pass
>>> class D(A):
... def test(self): print 1
>>> class E(D,C): pass...