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Why is there no String.Empty in Java?
...would save on compile time, in fact I think it would be the latter.
Especially considering Strings are immutable, it's not like you can first get an empty String, and perform some operations on it - best to use a StringBuilder (or StringBuffer if you want to be thread-safe) and turn that into a Str...
Landscape printing from HTML
...s maybe why Google Documents creates a PDF when print is selected and then allows the user to open and print that.
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Select rows of a matrix that meet a condition
... How does this work if you don't want to specify the column names at all but want to work over all columns in the matrix?
– user5359531
Jul 22 '16 at 22:54
...
Do you have to put Task.Run in a method to make it async?
... numbers for the sake of this example, granted, it's no processing time at all, it's just a matter of formulating an example here.
...
How does SSL really work?
...he name that is most often used to refer to this protocol, but SSL specifically refers to the proprietary protocol designed by Netscape in the mid 90's. "TLS" is an IETF standard that is based on SSL, so I will use TLS in my answer. These days, the odds are that nearly all of your secure connections...
Difference between FetchType LAZY and EAGER in Java Persistence API?
...here's a relationship between them. For example, you might have an entity called University and another entity called Student and a University might have many Students:
The University entity might have some basic properties such as id, name, address, etc. as well as a collection property called stu...
Best PHP IDE for Mac? (Preferably free!) [closed]
...wdown on Mac IDE's for PHP
NetBeans
Free! Plus, the best functionality of all offerings. Includes inline database connections, code completion, syntax checking, color coding, split views etc. Downside: It's a memory hog on the Mac. Be prepared to allow half a gig of memory then you'll need to shu...
How to use unicode characters in Windows command line?
...ions”).
AFAIK, CMD has perfect support for Unicode; you can enter/output all Unicode chars when any codepage is active.
Windows’ console has A LOT of support for Unicode — but it is not perfect (just “good enough”; see below).
chcp 65001 is very dangerous. Unless a program was speci...
Pattern to avoid nested try catch blocks?
...exceptional circumstances.
But to answer your question directly (assuming all the exception-types are the same):
Func<double>[] calcs = { calc1, calc2, calc3 };
foreach(var calc in calcs)
{
try { return calc(); }
catch (CalcException){ }
}
throw new NoCalcsWorkedException();
...
What's the correct way to communicate between controllers in AngularJS?
...ms as raised by @numan. That is because the event will bubble down through all scopes.
However, the latter (using $rootScope.$emit + $rootScope.$on) does not suffer from this and can therefore be used as a fast communication channel!
From the angular documentation of $emit:
Dispatches an even...
