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What is the difference between DAO and Repository patterns?
...ing DAO's, but you wouldn't do the opposite.
Also, a Repository is generally a narrower interface. It should be simply a collection of objects, with a Get(id), Find(ISpecification), Add(Entity).
A method like Update is appropriate on a DAO, but not a Repository - when using a Repository, chan...
What's the difference between passing by reference vs. passing by value?
...on as defined in the CS theory is now obsolete because the technique originally defined as "pass by reference" has since fallen out of favor and is seldom used now.1
Newer languages2 tend to use a different (but similar) pair of techniques to achieve the same effects (see below) which is the primar...
Must JDBC Resultsets and Statements be closed separately although the Connection is closed afterward
It is said to be a good habit to close all JDBC resources after usage. But if I have the following code, is it necessary to close the Resultset and the Statement?
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List to array conversion to use ravel() function
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Actually, myarray = np.array(mylist) should be enough.
– fgb
Apr 7 '13 at 22:23
11
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Elegant way to search for UTF-8 files with BOM?
For debugging purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script:
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Why do I get a warning icon when I add a reference to an MEF plugin project?
... Studio 2017 with update 15.3 has still not addressed the issue of not actually showing a meaningful message. Very annoying.
– Greg R Taylor
Sep 12 '17 at 11:38
4
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how to get android screen size programmatically, once and for all?
How can I find out my screen size programmatically,
in the units used by touch events
and View measurement/layout?
In other words, I want the coordinates
of the bottom-right corner of the screen,
in the coordinate system used by touch events'
getRawX()/getRawY() and View.getLocationOnScreen() .
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Should a function have only one return statement?
...f-else statements, each with a return? That is nothing. Such a thing is usually easily refactored. (atleast the more common single exit variation with a result variable is, so I doubt the multi exit variation would be any more difficult.) If you want a real headache, look at a combination of if-els...
What's the use of Jade or Handlebars when writing AngularJs apps
...tensibility. Jade is hardly "easier to parse" than HTML. They are but trivially different, while Jade adds another level of indirection - best avoided.
There is one valid, specialised case for server-side templating: Optimisation, remembering that premature optimisation is generally a Bad Thing. Wh...
Is there a Pattern Matching Utility like GREP in Windows?
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There is a command-line tool called FINDSTR that comes with all Windows NT-class operating systems (type FINDSTR /? into a Command Prompt window for more information) It doesn't support everything grep does but it might be sufficient for your needs.
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