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leading zeros in rails
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338
It'd be better to store it as an integer and just display it as you described on runtime. Ever...
There can be only one auto column
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answered Dec 27 '11 at 14:53
emstolemstol
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How do I comment out a block of tags in XML?
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answered May 3 '10 at 10:33
Noon SilkNoon Silk
50.5k66 gold badges8282 silver badges9999 bronze badges
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Assert an object is a specific type
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import static org.junit.Assert.assertThat;
/**
* @author maba, 2012-09-13
*/
public class InstanceOfTest {
@Test
public void testInstanceOf() {
SubClass subClass = new SubClass();
assertThat(subClass, instanceOf(BaseClass.class));
}
}
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How to delete a word and go into insert mode in Vim?
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edited Sep 7 '09 at 4:30
answered Sep 4 '09 at 13:20
Ka...
Run a JAR file from the command line and specify classpath
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answered Aug 23 '13 at 22:54
a_horse_with_no_namea_horse_with_no_name
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Debugging automatic properties
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Using Visual Studio 2008, 2010, 2012, 2013:
Go to the Breakpoint window
New -> Break at Function…
For the get, type: ClassName.get_Counter()
For the set, type: ClassName.set_Counter(int)
You'll get a "No Source Available" when the breakpoint is hit, but yo...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...s can't.
Read more about this in this great article or the definition by w3c. To quote the important part:
Key Differences
The Disabled attribute
Values for disabled form elements are not passed to the processor method. The W3C calls this a successful element.(This works similar to...
What's the best/easiest GUI Library for Ruby? [closed]
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edited Jul 23 '16 at 7:25
Ali Almoullim
88188 silver badges2929 bronze badges
answered Nov...
How to Copy Contents of One Canvas to Another Canvas Locally
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Aug 21 '11 at 22:30
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