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Definition of “downstream” and “upstream”
...t so you're not tracking divergent lines of development.
Sometimes you'll read about package or release managers (the people, not the tool) talking about submitting changes to "upstream". That usually means they had to adjust the original sources so they could create a package for their system. The...
In vim, how do I go back to where I was before a search?
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You really should read :help jumplist it explains all of this very well.
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Linux command or script counting duplicated lines in a text file?
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uniq -c file
and in case the file is not sorted already:
sort file | uniq -c
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python max function using 'key' and lambda expression
...thing obvious, like integers.
Meaning of the lambda expression? How to read them? How do they work?
That's sort of a larger question. In simple terms, a lambda is a function you can pass around, and have other pieces of code use it. Take this for example:
def sum(a, b, f):
return (f(a) + ...
Can I Replace Apache with Node.js?
...do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wondering if I can replace just Apache with Node.js (so instead of " LAMP " it would "LNMP").
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node.js remove file
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You shouldn't check if it exists if there are multiple threads or processes that might be using or trying to delete the same file, in which case your check that the file exists will become invalid between the time you check that it exists and the time you try to delete it. Just che...
In Java, what does NaN mean?
...g-Point Arithmetic (IEEE 754) quite explicitly which Java follows blindly. Reading the standard opens your eyes to a lot of things, the multiple values of zero being one of the things.
– Esko
Apr 11 '10 at 18:57
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How do I move files in node.js?
...ke mv command shell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file?
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MySQL Database won't start in XAMPP Manager-osx
.../ibdata1, error: 35 and furthermore [Note] InnoDB: Check that you do not already have another mysqld process using the same InnoDB data or log files. Heck! It was right! Kill the mysqld process, type benshittu's command and it should work.
– LucaM
Jul 14 '15 at...
How to add elements of a Java8 stream into an existing List
...s are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is to have each thread operate independently on its own collection of intermediate results. The way each thread gets its own collection is to call the Collector.supplier() which is required to ...