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How do I measure separate CPU core usage for a process?
...s how much each core is busy and it updates automatically each second. The output would be something like this (on a quad-core processor):
10:54:41 PM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
10:54:42 PM all 8.20 0.12 0.75 0.00 0.00 0.00 0.0...
PHP abstract properties
...A function on the other hand can be declared (types, name, parameters) without being defined (function body missing) and thus, can be made abstract.
"Abstract" only indicates that something was declared but not defined and therefore before using it, you need to define it or it becomes useless.
...
Write to .txt file?
... into a .txt file?
I've been Googling for over 3-4 hours, but can't find out how to do it.
3 Answers
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What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...ions of Python 3, the interpreter just reports a generic syntax error, without providing any useful hints as to what might be going wrong:
>>> print "Hello, World!"
File "<stdin>", line 1
print "Hello, World!"
^
SyntaxError: invalid syntax
As for why p...
What is the difference between decodeURIComponent and decodeURI?
...ion, but didn't find the answer here, I made some tests in order to figure out what the difference actually is.
I did this, since I need the encoding for something, which is not URL/URI related.
encodeURIComponent("A") returns "A", it does not encode "A" to "%41"
decodeURIComponent("%41") returns ...
How to upgrade Git to latest version on macOS?
... and restart terminal. Check git version to confirm.
git --version
If the output of the above command shows the latest version and does not mention Apple with the version details, then you are all set.
If however you still see apple version, then type the following two lines, which will manually se...
Rails 4: how to use $(document).ready() with turbo-links
...you have delegated events bound to the document, make sure you attach them outside of the ready function, otherwise they will get rebound on every page:load event (causing the same functions to be run multiple times). For example, if you have any calls like this:
$(document).on 'ready page:load', -...
Passing data between controllers in Angular JS?
...From the description, seems as though you should be using a service. Check out http://egghead.io/lessons/angularjs-sharing-data-between-controllers and AngularJS Service Passing Data Between Controllers to see some examples.
You could define your product service (as a factory) as such:
app.factory...
Ruby, remove last N characters from a string?
...
Chop is also an option. It's less fussy about what gets removed.
– Andrew Grimm
Nov 4 '11 at 12:04
1
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Adding HTML entities using CSS content
...ollowed by a breaking space character (or vice-versa) will display a gap about the width of two space characters, while two or more verbatim space characters will only display a gap of the width of one space character as the parser of the layout engine collapses consecutive breaking whitespace (incl...