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SharedPreferences.onSharedPreferenceChangeListener not being called consistently
... preference change listener like this (in the onCreate() of my main activity):
8 Answers
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What's the best practice for primary keys in tables?
When designing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
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Visual Studio: How do I show all classes inherited from a base class?
In Visual Studio, How do I show all classes inherited from a base class?
19 Answers
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How to save CSS changes of Styles panel of Chrome Developer Tools?
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You can save your CSS changes from Chrome Dev Tools itself. Chrome now allows you to add local folders to your Workspace. After allowing Chrome access to the folder and adding the folder to the local workspace, you can map a web resource to a local resource.
Navigate to the ...
Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3
...es stopped working as Chrome de-activated the now depracated ADB plugin as it's built in dev-tools now.
I downloaded the SDK and followed the instructions at Chrome Developers. How ever I found the instructions served by Alphonso out not to be sufficient and I did it this way on Windows 8:
Down...
Where should I put tags in HTML markup?
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Here's what happens when a browser loads a website with a <script> tag on it:
Fetch the HTML page (e.g. index.html)
Begin parsing the HTML
The parser encounters a <script> tag referencing an external script file.
The browser requests the script file. Meanwhi...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...he rounding mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is:
0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂
^ ^ ^ ^
1 10 20 24
So if we round up a...
C#: Printing all properties of an object [duplicate]
Is there a method built in to .NET that can write all the properties and such of an object to the console? Could make one using reflection of course, but I'm curious to if this already exists... especially since you can do it in Visual Studio in the Immediate Window. There you can an object name (wh...
How to delete a row by reference in data.table?
...y reference yet.
data.table can add and delete columns by reference since it over-allocates the vector of column pointers, as you know. The plan is to do something similar for rows and allow fast insert and delete. A row delete would use memmove in C to budge up the items (in each and every column)...
Why is my Spring @Autowired field null?
...ring doesn't know about the copy of MileageFeeCalculator that you created with new and didn't know to autowire it.
The Spring Inversion of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the...