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return, return None, and no return at all?
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On the actual behavior, there is no difference. They all return None and that's it. However, there is a time and place for all of these.
The following instructions are basically how the different methods should be used (or at least how I was taught they should be used), but they are not absol...
Immutability of Strings in Java
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str is not an object, it's a reference to an object. "Hello" and "Help!" are two distinct String objects. Thus, str points to a string. You can change what it points to, but not that which it points at.
Take this code, for example:
String s1 = "Hello";
String s2 = s1;
// s1 and s2 now ...
Is there a way to run Bash scripts on Windows? [closed]
I have bought and I use Windows 7 Ultimate, and I like to use it to develop applications. One of the down sides (as with every OS) is that I can not run Bash scripts. Is there a way to run Bash scripts on Windows by installing some software? It is ok if it does not work 100%, but as long as the most...
Unit tests vs Functional tests
What is the difference between unit tests and functional tests? Can a unit test also test a function?
14 Answers
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Using Sass Variables with CSS3 Media Queries
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This is simply not possible. Since the trigger @media screen and (max-width: 1170px) happens on the client-side.
Achieving your expected result would only be possible if SASS grabbed all rules and properties in your stylesheet containing your $base_width variable and copied/changed th...
Redeploy alternatives to JRebel [closed]
...allows unlimited class redefinitions at runtime. You can add/remove fields and methods and change the super types of a class at runtime. The features of DCEVM may be integrated in a future update of Java as part of JEP 159.
The binaries available on the original site are limited to Java 6u25 and to...
How do I get my solution in Visual Studio back online in TFS?
...my solution in Visual Studio 2012 (which is under TFS source control) open and the TFS server (2010) was down. When I then made a change to one of the files and attempted to save it I got a prompt to ask whether I wanted to Overwrite the file saying the TFS server was down (can't remember the exact ...
Proper Repository Pattern Design in PHP?
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The Goals:
Create a complete example of a basic controller for viewing and editing Users.
All code must be fully testable and mockable.
The controller should have no idea where the data is stored (meaning it can be changed).
Example to show a SQL implementation (most common).
For maximum perform...
How do I hide .class files from the Open Resource dialog in Eclipse?
...to have edit any working sets. I just want a way to, across all workspaces and projects, prevent .class files from ever showing in the Open Resource Dialog. Is there a way to do this?
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Is there a standard naming convention for XML elements? [closed]
Is there any standard, de facto or otherwise, for XML documents? For example which is the "best" way to write a tag?
13 Ans...