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“There was an error while performing this operation”
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205
It turned out the website was using URL rewrite module which i was missing.
Downloaded web pl...
Can we instantiate an abstract class?
... is the anonymous subclass.
Emphasis mine.
Also, in JLS - Section # 12.5, you can read about the Object Creation Process. I'll quote one statement from that here: -
Whenever a new class instance is created, memory space is allocated
for it with room for all the instance variables declare...
From an array of objects, extract value of a property as array
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1524
Here is a shorter way of achieving it:
let result = objArray.map(a => a.foo);
OR
let res...
IOS: create a UIImage or UIImageView with rounded corners
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12 Answers
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How to check if remote branch exists on a given remote repository?
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126
$ git ls-remote --heads git@github.com:user/repo.git branch-name
In case branch-name is found ...
Why use try {} finally {} with an empty try block?
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2 Answers
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How can you use an object's property in a double-quoted string?
...double-quoted string it will be replaced by that variable's value:
$foo = 2
"$foo"
becomes
"2"
If you don't want that you have to use single quotes:
$foo = 2
'$foo'
However, if you want to access properties, or use indexes on variables in a double-quoted string, you have to enclose that sub...
Using openssl to get the certificate from a server
... openssl s_client -servername www.example.com -connect www.example.com:443 2>/dev/null | \
openssl x509 -text
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
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251
This is a great question, something I have pondered over quite a bit. I will summarize my less...
How do Trigonometric functions work?
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edited Dec 5 '08 at 21:09
answered Dec 5 '08 at 20:59
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