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C++ Best way to get integer division and remainder
...ld be able to just use it (and not perform a div again). This is probably done on other architectures too.
Instruction: DIV src
Note: Unsigned division. Divides accumulator (AX) by "src". If divisor
is a byte value, result is put to AL and remainder to AH. If divisor
is a word value, th...
Setting an object to null vs Dispose()
...isposal from garbage collection. They are completely separate things, with one point in common which I'll come to in a minute.
Dispose, garbage collection and finalization
When you write a using statement, it's simply syntactic sugar for a try/finally block so that Dispose is called even if the c...
How do I check if a string is a number (float)?
... try clause, so I would put the return True in an else clause of the try. One of the reasons is that with the code in the question, if I had to review it, I would have to check that the second statement in the try clause cannot raise a ValueError: granted, this does not require too much time or bra...
Easy way to turn JavaScript array into comma-separated list?
I have a one-dimensional array of strings in JavaScript that I'd like to turn into a comma-separated list. Is there a simple way in garden-variety JavaScript (or jQuery) to turn that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if...
Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
...ort library in the "libs" folder for support of ant building. I unchecked one and it fixed my issue.
– Chris Feist
Aug 14 '13 at 19:03
20
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How should a model be structured in MVC? [closed]
...lational Mapping technique (ORM) nor an abstraction of database tables. Anyone who tells you otherwise is most likely trying to 'sell' another brand-new ORM or a whole framework.
What a model is:
In proper MVC adaptation, the M contains all the domain business logic and the Model Layer is mostly m...
What is best tool to compare two SQL Server databases (schema and data)? [duplicate]
...
As mentioned in the answer this question duplicates, this functionality is built into SQL Server as TableDiff.exe. It's worth trying the built in tools first before paying for a licences.
– Chip McCormick
...
How can I rollback a github repository to a specific commit?
...eed to rollback the repository to commit 80, and remove all the subsequent ones.
6 Answers
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How can I view the source code for a function?
...ned for arguments: x
Use showMethods("chol2inv") for currently available ones.
The output already offers a lot of information. standardGeneric is an indicator of an S4 function. The method to see defined S4 methods is offered helpfully:
> showMethods(chol2inv)
Function: chol2inv (package bas...
How to make shallow git submodules?
...pcoming git1.8.4 (July 2013):
"git submodule update" can optionally clone the submodule repositories shallowly.
(And git 2.10 Q3 2016 allows to record that with git config -f .gitmodules submodule.<name>.shallow true.
See the end of this answer)
See commit 275cd184d52b5b81cb89e4ec33e54...