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What is the difference between Factory and Strategy patterns?
...fferent arguments may result in different objects. It depends on the logic etc.
The Strategy Pattern.
Encapsulate the algorithm ( steps ) to perform an action. So you can change the strategy and use another algorithm.
While both look like very similar, the purpose is rather different, one pur...
What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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The SELECT * FROM table1, table2, etc. is good for a couple of tables, but it becomes exponentially harder as the number of tables increases.
The JOIN syntax makes it explicit what criteria affects which tables (giving a condition). Also, the second way is...
Filter by process/PID in Wireshark
... the same ProcessId, as well as other info such as process name, ParentId, etc.
– Tobias J
Jan 31 '17 at 14:49
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Pass an array of integers to ASP.NET Web API?
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You just need to add [FromUri] before parameter, looks like:
GetCategories([FromUri] int[] categoryIds)
And send request:
/Categories?categoryids=1&categoryids=2&categoryids=3
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Correct format specifier for double in printf
...ce that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promoted from float to double when passed as a variadic parameter. For input you're passing a pointer, which is not promoted, so you have to tell scanf w...
Self-references in object literals / initializers
...s like deleting isn't as bad as it used to be, at least not in V8 (Chrome, etc.) or SpiderMonkey. Still slower, but only a tiny bit, and these things are freaky fast these days.
– T.J. Crowder
May 7 at 16:02
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How to test equality of Swift enums with associated values
... Better: case (.Name(let a), .Name(let b)) : return a == b etc.
– Martin R
Nov 6 '15 at 22:29
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Where do I find old versions of Android NDK? [closed]
...dows.zip
on the address bar of your browser
The revision names (r7c, r8c etc.) could be found from the ndk download page
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How to override toString() properly in Java?
...ing() method, returns the desired output, it can be the state of an object etc. depends on your implementation.
Advantage of Java toString() method
By overriding the toString() method of the Object class, we can return values of the object, so we don't need to write much code.
Output without toSt...
Javascript switch vs. if…else if…else
...iced if it is used in a loop with say, a large database, traversing a tree etc.
– ghoppe
May 27 '10 at 16:50
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