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What is the main difference between Inheritance and Polymorphism?
...class, then you have a Student class that extends Person, Student inherits all the things that Person has. There are some details around the access modifiers you put on the fields/methods in Person, but that's the basic idea. For example, if you have a private field on Person, Student won't see it...
Finding the max/min value in an array of primitives using Java
... loop because the summaryStatistics method is a reduction operation and it allows parallelization.
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Measuring execution time of a function in C++
...ementaion defined, high_resolution_clock may be an alias of system_clock (wall clock), steady_clock or a third independent clock. See details here. For cpu clock, std::clock may be used
– Jahid
Jan 24 '17 at 11:39
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Store password in TortoiseHg
...cks may be sneaked into the source code... (3) the code may be secret (not all development is open source), and having it stolen is not always fun.
– max
Sep 12 '12 at 23:07
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Seeking clarification on apparent contradictions regarding weakly typed languages
...xamples of programming languages that simply coerce/convert types automatically.
9 Answers
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How to create ASP.NET Web API Url?
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The ApiController has a property called Url which is of type System.Web.Http.Routing.UrlHelper which allows you to construct urls for api controllers.
Example:
public class ValuesController : ApiController
{
// GET /api/values
public IEnumerable<...
Echo tab characters in bash script
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That's because echo -e is not POSIX and make calls /bin/sh which is normally not the program use use interactively, and normally hasn't -e implemented. For portability, use printf '\t' instead.
– Jo So
Oct 5 '12 at 19:02
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How to do ssh with a timeout in a script?
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This doesn't actually work for "the remote host is taking an infinite time to run": "ssh -o ConnectTimeout=5 host 'sleep 10'" waits for 10 seconds, not 5.
– Ferry Boender
Oct 11 '16 at 18:37
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log4net vs. Nlog
...se NLog. Which I'd prefer.
That's based on these findings (opinions!):
All 3 frameworks are capable and can do some sophisticated things. We want a quality solution, but frankly don't need ultra high performance or 60 types of event sinks.
All 3 have very similar basic concepts.
Each has its ow...
Deserialize JSON to ArrayList using Jackson
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Visually inspect your array to make sure you got back a list at least. And if need be add the mixin back, which should work along with the TypeReference to get everything neatly deserialized.
– Perception
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