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An error occurred while installing pg (0.17.1), and Bundler cannot continue
I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get:
16 Answers
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How do I remove a property from a JavaScript object?
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46 Answers
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How to escape indicator characters (i.e. : or - ) in YAML
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244
Quotes:
"url: http://www.example-site.com/"
To clarify, I meant “quote the value” and or...
'npm' is not recognized as internal or external command, operable program or batch file
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answered Feb 21 '14 at 1:14
BrenoBreno
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What is the difference between map and flatMap and a good use case for each?
... values from those that return a Some:
val rdd = sc.parallelize(Seq(1,2,3,4))
def myfn(x: Int): Option[Int] = if (x <= 2) Some(x * 10) else None
rdd.flatMap(myfn).collect
res3: Array[Int] = Array(10,20)
(noting here that an Option behaves rather like a list that has either one element, ...
QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
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374
This can occur when Safari is in private mode browsing. While in private browsing, local storage...
Named capturing groups in JavaScript regex?
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141
ECMAScript 2018 introduces named capturing groups into JavaScript regexes.
Example:
const a...
git diff two files on same branch, same commit
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84
You don't need git for that, just use diff fileA.php fileB.php (or vimdiff if you want side by s...
MySQL Cannot Add Foreign Key Constraint
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804
To find the specific error run this:
SHOW ENGINE INNODB STATUS;
And look in the LATEST FOREIG...
How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)
... "additional emulator command line options," add this:
-partition-size 1024
Then CLOSE the emulator (and remove any devices), and click the debug icon, which will launch the preferred emulator you selected. This is important: Eclipse needs to launch the debugger, not AVD.
That fixed the problem ...