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Is it possible to have empty RequestParam values use the defaultValue?
...ll) {
i = 10;
}
// ...
}
I have removed the defaultValue from the example above, but you may want to include it if you expect to receive requests where it isn't set at all:
http://example.com/test
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Safe integer parsing in Ruby
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That's what I'd expect from the conversion though
– wvdschel
Aug 8 '09 at 22:21
5
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Unable to resolve host “”; No address associated with hostname [closed]
...en putting the computer to sleep or changing the network connection (going from work to home, etc), then attempting to use the same emulator again. Closing and re-launching the emulator resolves the problem in this case.
sh...
Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
...ed GWT libs, but was missing the Java servlet API jar (servlet-api-3.1.jar from Jetty in this case).
– Jamie
Sep 6 '16 at 14:45
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Why can't I use background image and color together?
...use the background-position style to place it to the right, and to keep it from repeating and covering the entire background you use the background-repeat style:
background-color: green;
background-image: url(images/shadow.gif);
background-position: right;
background-repeat: no-repeat;
Or using t...
Haskell function composition (.) and function application ($) idioms: correct use
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I guess I can answer this from authority.
Is there a reason for using the books way that is much better than using all ($) symbols?
There's no special reason. Bryan and I both prefer to reduce line noise. . is quieter than $. As a result, the bo...
how to access iFrame parent page using jquery?
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You can access elements of parent window from within an iframe by using window.parent like this:
// using jquery
window.parent.$("#element_id");
Which is the same as:
// pure javascript
window.parent.document.getElementById("element_id");
And if you have ...
Why no ICloneable?
... comes with a variation of the "diamond problem": if CloneableFoo inherits from [not publicly cloneable] Foo, should CloneableDerivedFoo derive from...
– supercat
Aug 10 '12 at 15:26
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Scala Programming for Android
...s explained by a friend that this strips out all the unnecessary libraries from the jar files.
I have not documented it, but I found that someone else already has:
http://chneukirchen.org/blog/archive/2009/04/programming-for-android-with-scala.html
Proguard is not the only solution, you might fin...
unix - head AND tail of file
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For a pure stream (e.g. output from a command), you can use 'tee' to fork the stream and send one stream to head and one to tail. This requires using either the '>( list )' feature of bash (+ /dev/fd/N):
( COMMAND | tee /dev/fd/3 | head ) 3> >( ...