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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...
Avoiding if statement inside a for loop?
...e penalty.
The idea of passing in what varies is ubiquitous in the C++ Standard Library. It is called the strategy pattern.
If you are allowed to use C++11, you can do something like this:
#include <iostream>
#include <set>
#include <vector>
template <typename Container, ty...
How do I search for an object by its ObjectId in the mongo console?
I've found this question answered for C# and Perl, but not in the native interface. I thought this would work:
12 Answers
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Naming convention for utility classes in Java
..., as that you use it consistently. Like, if you have three utility classes and you call them CustomerUtil, ProductUtils, and StoreUtility, other people trying to use your classes are going to constantly get confused and type CustomerUtils by mistake, have to look it up, curse you a few times, etc. (...
What are the benefits of using C# vs F# or F# vs C#? [closed]
... than product shipment. I just got asked what's the difference between C# and F#, why did MS create F# and what scenarios would it be better than C#.
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Insert an element at a specific index in a list and return the updated list
... If you can't tolerate 3 lines of readable code, put it in a function and call it.
– IceArdor
Aug 1 '14 at 21:06
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What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
...e of other SO questions that deal with threads in JavaScript:
JavaScript and Threads
Why doesn't JavaScript support multithreading?
And this question may also be helpful:
setTimeout - how to avoid using string for callback?
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SQLite - UPSERT *not* INSERT or REPLACE
...no-op if the INSERT would violate a uniqueness constraint. UPSERT is not standard SQL. UPSERT in SQLite follows the syntax established by PostgreSQL.
GOOD but tendous: This will update 2 of the columns.
When ID=1 exists, the NAME will be unaffected.
When ID=1 does not exist, the name will be the...
Unit Testing bash scripts
...va code. Since we are trying to Test Everything That Could Possibly Break, and those bash scripts may break, we want to test them.
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git: How to diff changed files versus previous versions after a pull?
...pull" I often want to know what changed between the last version of a file and the new one. Say I want to know what someone else committed to a particular file.
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