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How to get overall CPU usage (e.g. 57%) on Linux [closed]

...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything. NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

... with x[numpy.ix_([0,2],[1,3])]. This can save you from having to enter in all of those extra brackets. share | improve this answer | follow | ...
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Regex for password must contain at least eight characters, at least one number and both lower and up

... "^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$" does not allow symbols as one of the 8 characters – Wee Jan 6 '15 at 2:30 2 ...
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“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass

... I encountered the same problem while manually adding constraints in code. In code, I was doing the following: { [self setTranslatesAutoresizingMaskIntoConstraints:YES]; [self addSubview:someView]; [self addSubview:someOtherView]; [self addConstraint...
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Most efficient method to groupby on an array of objects

... answered Jan 20 '16 at 2:02 Ceasar BautistaCeasar Bautista 15.6k1111 gold badges5050 silver badges7171 bronze badges ...
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Reflection - get attribute name and value on property

I have a class, lets call it Book with a property called Name. With that property, I have an attribute associated with it. ...
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How do I Sort a Multidimensional Array in PHP [duplicate]

...e' column in each record (or row). So you construct the $dates array (basically the same array, but with only that column), and tell the array_multisort function to sort $mdarray based on that particular column's values. – Dan Burton May 19 '10 at 18:26 ...
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Conditional HTML Attributes using Razor MVC3

...s" /> If strCSSClass is null then the class attribute won't render at all. SSSHHH...don't tell. :) share | improve this answer | follow | ...
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Does height and width not apply to span?

...ides no context to indicate that a div is inherently inappropriate semantically. – Isaac Mar 22 '10 at 9:45 1 ...
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How do I create a variable number of variables?

... | edited Jun 12 at 16:56 ggorlen 22.1k55 gold badges2626 silver badges4040 bronze badges answered...