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How do I test if a variable is a number in Bash?
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@Ben do you really want to handle more than one minus sign? I'd make it ^-? rather than ^-* unless you're actually doing the work to handle multiple inversions correctly.
– Charles Duffy
Jun 26 '11 at...
C# generic “where constraint” with “any generic type” definition?
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There are typically 2 ways to achieve this.
Option1: Add another parameter to IGarrage representing the T which should be passed into the IGenericCar<T> constraint:
interface IGarrage<TCar,TOther> where TCar : IGenericCar<...
How to Convert JSON object to Custom C# object?
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Since we all love one liners code
Newtonsoft is faster than java script serializer.
... this one depends on the Newtonsoft NuGet package, which is popular and better than the default serializer.
if we have class then use below.
My...
How to get ER model of database from server with Workbench
...DB "simply make sure the tables and columns exist".
Recommended to delete all your data (this freezes MySQL Workbench on my MAC everytime due to "software out of memory..")
Open MySQL Workbench
click + to make MySQL connection
enter credentials and connect
go to database tab
click reverse engi...
Difference between save and saveAndFlush in Spring data jpa
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but, in my project, I use save(), saveAll() & it persists in DB without commit or flush calling explicitly. Then why should I prefer saveAndFlush? FLush mode all those things are in default mode
– P Satish Patro
Nov 6 '1...
Why is HTML5 input type datetime removed from browsers already supporting it?
I was wondering why all browsers, like Chrome versions higher than 26, which had support in the past for the input datetime removed it?
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Java 8 stream reverse order
..., e) -> list.add(0, e),
(list1, list2) -> list1.addAll(0, list2));
It's probably possible to write a much more efficient reversing collector using some kind of customized data structure.
UPDATE 2016-01-29
Since this question has gotten a bit of attention recently, I figur...
Why would a static nested interface be used in Java?
... keyword in the above example is redundant (a nested interface is automatically "static") and can be removed with no effect on semantics; I would recommend it be removed. The same goes for "public" on interface methods and "public final" on interface fields - the modifiers are redundant and just add...
Why catch and rethrow an exception in C#?
...way that the code in the article does it is evil. throw ex will reset the call stack in the exception to the point where this throw statement is; losing the information about where the exception actually was created.
Second, if you just catch and re-throw like that, I see no added value, the code e...
What is the purpose of “return await” in C#?
...n async method behave differently: when combined with using (or, more generally, any return await in a try block).
Consider these two versions of a method:
Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
return foo.DoAnotherThingAsync();
}
}
async Tas...