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Possible to iterate backwards through a foreach?
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I find your last statement a bit too general. Surely there are cases where, for example, an IEnumerable of some kind needs to be iterated through in order? Would you not use foreach in that case? What would you use?
– avl_sweden
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Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
... the equivalents of @Before and @BeforeClass in JUnit 4. Their names are a bit more indicative of when they run, loosely interpreted: 'before each tests' and 'once before all tests'.
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Java Multiple Inheritance
...ke to each type of Animal - with as much control as you need over how each bit is set up.
Strategy Pattern alternative approach to composition
An alternative approach depending on what and how you are doing is to have the Animal base class contain an internal collection to keep the list of differe...
CSRF protection with CORS Origin header vs. CSRF token
...lls under manipulated browsers or not, but old versions of Flash allowed arbitrary headers to be set which would enable an attacker to send a request with a spoofed referer header from the victim's machine in order to execute an attack.
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How do I redirect in expressjs while passing some context?
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You can pass small bits of key/value pair data via the query string:
res.redirect('/?error=denied');
And javascript on the home page can access that and adjust its behavior accordingly.
Note that if you don't mind /category staying as the U...
GIT repository layout for server with multiple projects
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Could you include a bit about the pros and cons of gitslave vs. git submodule?
– M.M
Nov 26 '15 at 4:58
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When to use Common Table Expression (CTE)
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@cyberkiwi - Which bit? That a self join will lead to 2 different invocations? See the example in this answer stackoverflow.com/questions/3362043/…
– Martin Smith
Jan 19 '11 at 21:28
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How to evaluate a math expression given in string form?
...ut here are some ideas you might want to expand it with:
Variables:
The bit of the parser that reads the names for functions can easily be changed to handle custom variables too, by looking up names in a variable table passed to the eval method, such as a Map<String,Double> variables.
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Best Timer for using in a Windows service
... I hate to wade into the mire here, but i have to defend M.R. a little bit. I have several critical applications running in my company that are windows console apps. I have used Windows Task Scheduler for running all of them. On at least 5 occasions now, we have had a problem where the Schedu...
Most efficient way to check for DBNull and then assign to a variable?
...)obj : converter(obj);
}
With Stevo3000's approach, I find the calling a bit ugly and tedious, and it will be harder to make a generic function out of it.
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