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How do I make a batch file terminate upon encountering an error?
...ve result.
– devstuff
Sep 16 '10 at 4:37
1
Careful: the enabledelayedexpansion is CRITICAL and al...
How to insert an item into an array at a specific index (JavaScript)?
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4974
What you want is the splice function on the native array object.
arr.splice(index, 0, item);...
What's wrong with overridable method calls in constructors?
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478
On invoking overridable method from constructors
Simply put, this is wrong because it unneces...
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, ...
How can I see the size of files and directories in linux? [closed]
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564
Use ls command for files and du command for directories.
Checking File Sizes
ls -l filename ...
UTF-8, UTF-16, and UTF-32
...2 bytes for most characters.
UTF-32 will cover all possible characters in 4 bytes. This makes it pretty bloated. I can't think of any advantage to using it.
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How to format a float in javascript?
...ring, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.
14 Answers
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Why is string concatenation faster than array join?
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149
Browser string optimizations have changed the string concatenation picture.
Firefox was...
How can I setup & run PhantomJS on Ubuntu?
...https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo tar xjf phantomjs-1.9.7-linux-x86_64.tar.bz2
sudo ln -s /usr/local/share/phantomjs-1.9.7-linux-x86_64/bin/phantomjs /usr/local/share/phantomjs
sudo ln -s /usr/local/share/phantomjs-1.9.7-linux-x86_64/bin/phanto...
Converting any string into camel case
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answered Jun 4 '10 at 0:03
Christian C. SalvadóChristian C. Salvadó
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