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Retrieve CPU usage and memory usage of a single process on Linux?
... a CSV using the 'watch' command. What command can I use to get this info from the Linux command-line?
20 Answers
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Should I implement __ne__ in terms of __eq__ in Python?
...ks to not properly delegating; instead of treating a NotImplemented return from one side as a cue to delegate to __ne__ on the other side, not self == other is (assuming the operand's __eq__ doesn't know how to compare the other operand) implicitly delegating to __eq__ from the other side, then inve...
What happens to a declared, uninitialized variable in C? Does it have a value?
...in a debugger - but strictly speaking, the compiler is free to do anything from crashing to summoning demons through your nasal passages.
As for why it's undefined behavior instead of simply "undefined/arbitrary value", there are a number of CPU architectures that have additional flag bits in their ...
How to beautify JSON in Python?
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From the command-line:
echo '{"one":1,"two":2}' | python -mjson.tool
which outputs:
{
"one": 1,
"two": 2
}
Programmtically, the Python manual describes pretty-printing JSON:
>>> import json
>>&g...
Java: Getting a substring from a string starting after a particular character
...t = url.substringAfterLast("/")
println(result)
// It will show ghfj.doc
From the doc:
Returns a substring after the last occurrence of delimiter. If the string does not contain the delimiter, returns missingDelimiterValue which defaults to the original string.
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Stop LastPass filling out a form
Is there a way to prevent the LastPass browser extension from filling out a HTML-based form with a input field with the name "username"?
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VS2013 permanent CPU usage even though in idle mode
.../Support/Center/Question/Details/T102322
The CPU slowed down right away from 25 % to 1 %.
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Why would one use nested classes in C++?
... Node as other people may decide to use the class and that would hinder me from updating my class as anything exposed is part of the public API and must be maintained forever. By making the class private, I not only hide the implementation I am also saying this is mine and I may change it at any tim...
Use of def, val, and var in scala
...6
scala> aVariable = 5
aVariable: Int = 5
According to above, labels from def and val cannot be reassigned, and in case of any attempt an error like the below one will be raised:
scala> something = 5 * 6
<console>:8: error: value something_= is not a member of object $iw
somet...
How to hide the “back” button in UINavigationController?
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Also learn from my mistake: you have to call setHidesBackButton: BEFORE you push the navigationItem into the navigationController.
– codingFriend1
Nov 16 '12 at 16:26
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