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Dependency injection through constructors or property setters?
I'm refactoring a class and adding a new dependency to it. The class is currently taking its existing dependencies in the constructor. So for consistency, I add the parameter to the constructor.
Of course, there are a few subclasses plus even more for unit tests, so now I am playing the game of go...
MySQL high CPU usage [closed]
... Slow Query Log to keep an eye on any queries that are taking a long time, and use that to make sure you don't have any queries locking up key tables for too long.
Some other things you can check would be to run the following query while the CPU load is high:
SHOW PROCESSLIST;
This will show you...
Multiple INSERT statements vs. single INSERT with multiple VALUES
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I thought I'd look into this a bit more though so set up a loop (script) and tried adjusting the number of VALUES clauses and recording the compile time.
I then divided the compile time by the number of rows to get the average compile time per clause. The results are below
Up until 250 VALUES ...
How to generate javadoc comments in Android Studio
Can I use shortcut keys in Android studio to generate javadoc comments?
16 Answers
16
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MySQL Select all columns from one table and some from another table
How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL.
4 Answers
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What is the ultimate postal code and zip regex?
I'm looking for the ultimate postal code and zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
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Using the field of an object as a generic Dictionary key
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By default, the two important methods are GetHashCode() and Equals(). It is important that if two things are equal (Equals() returns true), that they have the same hash-code. For example, you might "return FooID;" as the GetHashCode() if you want that as the match. You can also im...
tag in Twitter Bootstrap not functioning correctly?
... 18px 0;
}
It correspond to a 1px horizontal line with a very light grey and vertical margin of 18px.
and because <hr> is inside a <div> without class the width depends on the content of the <div>
if you would like the <hr> to be full width, replace <div> with <d...
StringBuilder vs String concatenation in toString() in Java
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Version 1 is preferable because it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever.
More importantly given we have only 3
properties it might not make a
difference, but at what point do you
switch from conc...
Where should I put tags in HTML markup?
... HTML document, where is the proper place to put the <script> tags and included JavaScript? I seem to recall that you are not supposed to place these in the <head> section, but placing at the beginning of the <body> section is bad, too, since the JavaScript will have to be pa...