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What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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DDD - the rule that Entities can't access Repositories directly
In Domain Driven Design, there seems to be lots of agreement that Entities should not access Repositories directly.
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The requested operation cannot be performed on a file with a user-mapped section open
...nto my bin folder, after stopping the main service, I am getting an error with one file (TexteDll). The error is:
28 Answer...
Why is  appearing in my HTML? [duplicate]
...&#65279 is the Unicode Character 'ZERO WIDTH NO-BREAK SPACE' (U+FEFF). It may be that you copied it into your code via a copy/paste without realizing it. The fact that it's not visible makes it hard to tell if you're using an editor that displays actual unicode characters.
One option is to open...
notifyDataSetChanged example
...Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me.
5 Answers
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How to check whether a string is Base64 encoded or not
I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error.
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do {…} while(false)
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It's more than a disguised goto. It is a restricted (structured) goto.
– Thomas Eding
Feb 22 '10 at 20:56
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How do you design object oriented projects? [closed]
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The steps that I use for initial design (getting to a class diagram), are:
Requirements gathering. Talk to the client and factor out the use cases to define what functionality the software should have.
Compose a narrative of the individual use cases...
SQL left join vs multiple tables on FROM line?
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The old syntax, with just listing the tables, and using the WHERE clause to specify the join criteria, is being deprecated in most modern databases.
It's not just for show, the old syntax has the possibility of being ambiguous when you use b...
What is the difference between a function expression vs declaration in JavaScript? [duplicate]
...hes that line of code.
So if you try to call a function expression before it's loaded, you'll get an error! If you call a function declaration instead, it'll always work, because no code can be called until all declarations are loaded.
Example: Function Expression
alert(foo()); // ERROR! foo was...