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On duplicate key ignore? [duplicate]
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Right on, good answer. INSERT IGNORE is bad news!
– Boundless
Sep 11 '12 at 20:36
2
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HttpServletRequest get JSON POST data [duplicate]
...se response)
throws ServletException, IOException {
StringBuffer jb = new StringBuffer();
String line = null;
try {
BufferedReader reader = request.getReader();
while ((line = reader.readLine()) != null)
jb.append(line);
} catch (Exception e) { /*report an error*/ }
try {...
F12 Jump to method -> go back to previous method after making the jump?
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@Oded is correct, but wait, there's more!
If F12 sent you to a new tab window you can Ctrl + Tab to get back to your original tab. If you hold down Ctrl you can cycle through tab windows
In VS 2010 you can Ctrl + Click to Go To Definition, in addition to F12.
You can also hold down Ctr...
Do scala constructor parameters default to private val?
...n(f.bar) // access bar of another foo
}
}
And runs:
scala> val a = new Foo(1)
a: Foo = Foo@7a99d0af
scala> a.otherBar(new Foo(3))
3
But this doesn't:
class Foo(bar: Int) {
def otherBar(f: Foo) {
println(f.bar) // error! cannot access bar of another foo
}
}
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How to get current date time in milliseconds in android [duplicate]
...illis(); returns the number of milliseconds from 1970-01-01T00:00:00Z, but new Date() gives the current local time. Adding the ZONE_OFFSET and DST_OFFSET from the Calendar class gives you the time in UTC.
Calendar rightNow = Calendar.getInstance();
// offset to add since we're not UTC
long offset...
Java: recommended solution for deep cloning/copying an instance
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Use a factory pattern in place of a constructor:
public static Yum newInstance(Yum yum);
Use a copy constructor:
public Yum(Yum yum);
All of the collection classes in Java support the copy constructor (e.g. new ArrayList(l);)
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SVN Repository Search [closed]
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New Source Forge URL for SVN Search: svn-search.sourceforge.net
– Robert Brisita
Aug 2 '13 at 18:36
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Getting random numbers in Java [duplicate]
...o use the java.util.Random class:
import java.util.Random;
Random rand = new Random();
// Obtain a number between [0 - 49].
int n = rand.nextInt(50);
// Add 1 to the result to get a number from the required range
// (i.e., [1 - 50]).
n += 1;
Another solution is using Math.random():
double ran...
JavaScript module pattern with example [closed]
... an application. I'd read about this in the doug crockford book but being new to javascript it was all still a bit mysterious.
I come from a c# background so have added some terminology I find useful from there.
Html
You'll have some kindof top level html file. It helps to think of this as your...
What is simplest way to read a file into String? [duplicate]
...h for robust IOException handling you wouldn't want to).
String content = new Scanner(new File("filename")).useDelimiter("\\Z").next();
System.out.println(content);
This uses a java.util.Scanner, telling it to delimit the input with \Z, which is the end of the string anchor. This ultimately makes...