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How to see top processes sorted by actual memory usage?
...asted memory". The Linux kernel keeps around huge amounts of file metadata and files that were requested, until something that looks more important pushes that data out. It's why you can run:
find /home -type f -name '*.mp3'
find /home -type f -name '*.aac'
and have the second find instance run a...
node.js global variables?
... if you really want to use them. The 3 statements below are all equivalent and will assign a var to the global scope: GLOBAL._ = require('underscore'); global._ = require('underscore'); _ = require('underscore');
– metaColin
Aug 5 '15 at 18:23
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:: (double colon) operator in Java 8
I was exploring the Java 8 source and found this particular part of code very surprising:
17 Answers
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Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
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Instead of modifying the XML document itself, it's best to parse it and then modify the tags in the result. This way you can handle multiple namespaces and namespace aliases:
from io import StringIO # for Python 2 import from StringIO instead
import xml.etree.ElementTree as ET
# instead of...
Python String and Integer concatenation [duplicate]
...ed in this answer (backticks) is deprecated in later versions of Python 2, and removed in Python 3. Use the str() function instead.
You can use :
string = 'string'
for i in range(11):
string +=`i`
print string
It will print string012345678910.
To get string0, string1 ..... string10 you can use...
Good examples of Not a Functor/Functor/Applicative/Monad?
...ariant functor out of it, but not a (covariant) functor. Try writing fmap and you'll fail. Note that the contravariant functor version is reversed:
fmap :: Functor f => (a -> b) -> f a -> f b
contramap :: Contravariant f => (a -> b) -> f b -> f a
A type constr...
Find out what process registered a global hotkey? (Windows API)
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Your question piqued my interest, so I've done a bit of digging and while, unfortunately I don't have a proper answer for you, I thought I'd share what I have.
I found this example of creating keyboard hook (in Delphi) written in 1998, but is compilable in Delphi 2007 with a couple of tw...
How do I limit the number of rows returned by an Oracle query after ordering?
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How can we get the LIMIT and OFFSET in Oracle 11G ?
– Pra_A
Jun 21 at 13:37
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Force unmount of NFS-mounted directory [closed]
... @Daniel: sure, but it is a Linux question (tagged as such even), and Linux does have it.
– Jürgen A. Erhard
Jul 4 '11 at 13:05
5
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How do I (or can I) SELECT DISTINCT on multiple columns?
...on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
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