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Abstract class in Java
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@Imagist -1 for wrong description for the statement c.implementedMethod(); // prints "implementedMethod()", It will print "Overriden!" always
– Sachin Kumar
Feb 5 '15 at 10:05
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Using Java 8's Optional with Stream::flatMap
...e out what it was doing, and it also took me a while to write up the above description of what it was doing. The key subtlety is the transformation from Optional<Other> to Optional<Stream<Other>>. Once you grok this it makes sense, but it wasn't obvious to me.
I'll acknowledge, th...
Is there a naming convention for MySQL?
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MySQL has a short description of their more or less strict rules:
https://dev.mysql.com/doc/internals/en/coding-style.html
Most common codingstyle for MySQL by Simon Holywell:
http://www.sqlstyle.guide/
See also this question:
Are there an...
What is the best way to deal with the NSDateFormatter locale “feechur”?
... string = dateFormatter.string(from: date)
return string
} }
usage description:
let date = DateFormatter.getDateFromString(string: "11-07-2001”, fromFormat: "dd-MM-yyyy")
print("custom date : \(date)")
let dateFormatter = DateFormatter.initWithSafeLocale(withDateFormat: "yyyy-MM-dd HH:mm:...
Why hasn't functional programming taken over yet?
... completely.
Imperative and object-oriented programming is a step-by-step description of the problem and its solution. As such, it can be easier to comprehend. Functional programming can be a bit obscure.
Ultimately, a useful program will always have side effects (like providing actual output to...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...eywords related to this bridging have been added, and Mike Ash has a great description of various bridging cases in his lengthy ARC writeup.
In addition to this, there are several other less frequent, but still potentially problematic cases, which the published specification goes into in detail.
M...
Rename specific column(s) in pandas
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Use the pandas.DataFrame.rename funtion.
Check this link for description.
data.rename(columns = {'gdp': 'log(gdp)'}, inplace = True)
If you intend to rename multiple columns then
data.rename(columns = {'gdp': 'log(gdp)', 'cap': 'log(cap)', ..}, inplace = True)
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Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...use of tuple within a private context. would never
// return an opaque non-descript instance as a result, but useful
// when scope is known [ie private] and implementation intimacy is
// expected
public class WorkflowHost
{
// a map of uri's to a workflow service definition
// and workflow ...
What is a “callback” in C and how are they implemented?
...X are asynchronous signals and their signal handlers. Here is an excellent description of how signal handlers are processed in Linux [link] (stackoverflow.com/questions/6949025/…).
– drlolly
May 19 at 10:21
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What are some uses of template template parameters?
...__PRETTY_FUNCTION__, which, among other things, reports template parameter descriptions in plain text. clang does it as well. A most-handy feature sometimes (as you can see).
– WhozCraig
Sep 14 '14 at 5:53
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