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Why does 2 == [2] in JavaScript?
...alueOf().toString())
where valueOf() for arrays returns the array itself and the string-representation of a one-element array is the string representation of the single element.
This also explains the third example as [[[[[[[2]]]]]]].toString() is still just the string 2.
As you can see, there's...
Change from SQLite to PostgreSQL in a fresh Rails project
I have a rails app that's databases are in SQLite (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL.
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OpenSSL: PEM routines:PEM_read_bio:no start line:pem_lib.c:703:Expecting: TRUSTED CERTIFICATE [close
...ing in Stunnel's CApath directory. I have got some certs in this directory and they are working well. Also, I have a server sert and server key:
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What are the best Haskell libraries to operationalize a program? [closed]
...ogram to do in order to consider it "operationalized" – that is, running and maintainable in a measurable and verifiable way by both engineers and operations staff. For my purposes, an operationalized program must:
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Laravel Eloquent ORM Transactions
...is even cleaner but the drawback is that if you need to specify different handlers for different exceptions you will have to go back to try/catch technique
– OzzyTheGiant
Jun 11 at 21:50
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Reverse a string in Java
...ep 27 '11 at 12:47
Daniel BrockmanDaniel Brockman
16k33 gold badges2525 silver badges3838 bronze badges
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Difference between is and as keyword
Please tell what is the difference between is and as keyword in C#
14 Answers
14
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Changing user agent on urllib2.urlopen
... the Request itself, as the docs note:
headers should be a dictionary, and will be treated as if add_header() was called with each key and value as arguments. This is often used to “spoof” the User-Agent header, which is used by a browser to identify itself – some HTTP servers only allow r...
Checking if a SQL Server login already exists
I need to check if a specific login already exists on the SQL Server, and if it doesn't, then I need to add it.
10 Answers
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PostgreSQL database default location on Linux
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The "directory where postgresql will keep all databases" (and configuration) is called "data directory" and corresponds to what PostgreSQL calls (a little confusingly) a "database cluster", which is not related to distributed computing, it just means a group of databases and related...