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Performance surprise with “as” and nullable types
...'m just revising chapter 4 of C# in Depth which deals with nullable types, and I'm adding a section about using the "as" operator, which allows you to write:
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How can I get zoom functionality for images?
Is there a common way to show a big image and enable the user to zoom in and out and pan the image?
13 Answers
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What is the difference between Java RMI and RPC?
What is the actual difference between Java RMI and RPC?
8 Answers
8
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Difference between a View's Padding and Margin
What is the difference between a View's Margin and Padding?
14 Answers
14
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What does Python's eval() do?
...was a trivial example, but you could let the user type in an arbitrary command and have python execute it. So you could have the user type in a command string and then have python run it as code. So for example: eval("__import__('os').remove('file')").
– BYS2
F...
EJB's - when to use Remote and/or local interfaces?
I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...
MVC Razor view nested foreach's model
...e problem.
There are three things that you have at least a cursory understanding before you can resolve this issue. I have
to admit that I cargo-culted this
for a long time when I started working with the framework. And it took me quite a while
to really get what was going on.
Those three things ...
Virtual Memory Usage from Java under Linux, too much memory used
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This has been a long-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here...
What is opinionated software?
...ve that a template system shouldn't provide access to user defined methods and functions as it leaves the system open to returning raw HTML. So an opinionated framework developer only allows access to data structures. By design, the software is limiting and encourages the designer into doing things ...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
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var a = [], // these are the same
b = new Array(), // a and b are arrays with length 0
c = ['foo', 'bar'], // these are the same
d = new Array('foo', 'bar'), // c and d are arrays with 2 strings
// these are different:
e = [3] // e.length =...