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String comparison in Python: is vs. == [duplicate]
...or all built-in Python objects (like
strings, lists, dicts, functions,
etc.), if x is y, then x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is not true: Two distinct objects can have the same value.
Also, is it g...
What's the difference between design patterns and architectural patterns?
...
It requires a detailed explanation but I will try to sketch the differences to best of my knowledge.
Patterns are distilled commonality that you find in programs. It allows us to deconstruct a large complex structure and build using simple parts. It provides a general solution f...
What is the MySQL JDBC driver connection string?
...("com.mysql.jdbc.Driver").newInstance ();
Connection conn = DriverManager.getConnection (url, "username", "password");
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Lightweight Javascript DB for use in Node.js [closed]
...mpatibilities (3 years in js dev is an eternity), issues that get ignored, etc. The right amount of stars but it doesn't scream fresh.
– Carles Alcolea
Dec 27 '18 at 10:35
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How to get the previous URL in JavaScript?
...ext page in the stack
history.go(index); //Where index could be 1, -1, 56, etc.
But you can't manipulate the content of the history stack on browser that doesn't support the HTML5 History API
For more information see the doc
...
Is AngularJS just for single-page applications (SPAs)?
...he different pages reference the correct Angular object (controller, view, etc.) and you are off and running. I hope this makes sense, but the answer was so simple I overlooked it.
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Difference between @import and link in CSS
...today, but @import is not handled correctly by older browsers (Netscape 4, etc.), so the @import hack can be used to hide CSS 2 rules from these old browsers.
Again, unless you're supporting really old browsers, there isn't a difference.
If I were you, however, I'd use the <link> variant on ...
How to create a subdirectory for a project QtCreator?
...i)
in folder1/include.pri
HEADERS += MyClass.h
SOURCES += MyClass.cpp
etc
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getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
...rHeight(true) - $div.height() to calculate the amount of margin / border / etc.
Your new code might look more like:
<img id='myImg' src='/my/img/link.gif' />
<script type="text/javascript">
$(document).bind('click', function () {
// Add a click-handler to the image.
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In C#, why is String a reference type that behaves like a value type?
...copy penalty, you couldn't intern strings, and memory usage would balloon, etc...
(Edit: Added clarification about value type storage being an implementation detail, which leads to this situation where we have a type with value sematics not inheriting from System.ValueType. Thanks Ben.)
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