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What is the main difference between Inheritance and Polymorphism?
...way of achieving both Polymorphism and code reuse at the same time.
Other forms of polymorphism:
There are other way of achieving polymorphism, such as interfaces, which provide only polymorphism but no code reuse (sometimes the code is quite different, such as Move for a Snake would be quite diffe...
What does in XML mean?
...e of comments.
This means given these four snippets of XML from one well-formed document:
<!ENTITY MyParamEntity "Has been expanded">
<!--
Within this comment I can use ]]>
and other reserved characters like <
&, ', and ", but %MyParamEntity; will not be expanded
(if I retr...
How is null + true a string?
...es from the C# language spec.
From section 7.3.4:
An operation of the form x op y, where op is an overloadable binary operator, x is an expression of type X, and y is an expression of type Y, is processed as follows:
The set of candidate user-defined operators provided by X and Y for th...
How can I set the Sender's address in Jenkins?
...ction called E-mail Notification.
You can provide you email address in a form of Jenkins <foo@mycompany.com>.
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Checking Bash exit status of several commands efficiently
...but this method allows me to write my own 'test' function so I can then perform an error actions in there I like that are relevant to the actions performed in the script. Thanks :)
– jwbensley
Mar 26 '11 at 23:11
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Set attribute without value
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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Right query to get the current number of connections in a PostgreSQL DB
... edited Jan 13 '14 at 1:34
informatik01
14.7k88 gold badges6666 silver badges100100 bronze badges
answered Mar 11 '11 at 8:52
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Visual Studio: Make view code default
Is there any way to make Visual Studio show the code of a control / form by default instead of the designer? I tend not to be a fan of the designers as they add bloat.
...
How to create a listbox in HTML without allowing multiple selection?
...ou want
you may want to check this site
http://www.htmlcodetutorial.com/forms/_SELECT.html
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...ar. You'll also notice that their equivalent when using the double-bracket form which is preferred when using Bash.
– Paused until further notice.
Jul 3 '14 at 18:36
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