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R: rJava package install failing
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answered Jul 24 '10 at 14:31
Dirk EddelbuettelDirk Eddelbuettel
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...town , country , phone number etc, all of which are defined as VARCHAR(255) even though none of these fields will ever come close to having 255 characters. (If you're wondering, it's this way because Ruby on Rails migrations map String fields to VARCHAR(255) by default and I never bothered t...
Java: How to test methods that call System.exit()?
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223
Indeed, Derkeiler.com suggests:
Why System.exit() ?
Instead of terminating with System....
The Concept of 'Hold space' and 'Pattern space' in sed
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edited Oct 11 '12 at 8:01
answered Oct 11 '12 at 7:30
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How do I check for nulls in an '==' operator overload without infinite recursion?
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Use ReferenceEquals:
Foo foo1 = null;
Foo foo2 = new Foo();
Assert.IsFalse(foo1 == foo2);
public static bool operator ==(Foo foo1, Foo foo2) {
if (object.ReferenceEquals(null, foo1))
return object.ReferenceEquals(null, foo2);
return foo1.Equals(foo2);
}...
A std::map that keep track of the order of insertion?
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answered Jul 8 '09 at 13:52
Kirill V. LyadvinskyKirill V. Lyadvinsky
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Creating an official github mirror
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edited Sep 23 '19 at 14:28
Arturo Herrero
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clearing a char array c
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dda
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answered Mar 11 '09 at 0:33
JaredParJaredPar
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Display the current time and date in an Android application
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23 Answers
23
Active
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Html.Partial vs Html.RenderPartial & Html.Action vs Html.RenderAction
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1245
Html.Partial returns a String. Html.RenderPartial calls Write internally and returns void.
Th...