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How to keep environment variables when using sudo
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I have tested this answer for a package under some myPath added to PATH in the .bashrc file (with export clausule). Then sudo PATH=$PATH which package finds the right answer, unlike sudo which package. However, sudo PATH=$PATH packa...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...the cost is acceptable. If you want this for space-savings, you had better test, and TEST AGAIN. Testing includes all functionality, and more than just a few rows of data. Be warned that UTF-8 collations work best when ALL columns, and the database itself, are using VARCHAR data (columns, variables,...
What does the “===” operator do in Ruby? [duplicate]
...f === differs depending on type. For example:
(1...3) === 2
=> true
/test/ === "this is a test"
=> true
case 'test'
when /blah/
"Blach"
when /test/
"Test"
else
"Fail"
end
=> "Test"
Stephen, checkout http://ruby-doc.org/docs/ProgrammingRuby/ (the "Pickaxe"), it should be able to ...
Python Progress Bar
...he best points of all the above, and made it into a function, along with a test cases.
To use it, just copy the lines under "def update_progress(progress)" but not the test script. Don't forget to import sys. Call this whenever you need to display or update the progress bar.
This works by directly...
How do I catch a numpy warning like it's an exception (not just for testing)?
...933741%2fhow-do-i-catch-a-numpy-warning-like-its-an-exception-not-just-for-testing%23new-answer', 'question_page');
}
);
Post as a guest
Name
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WebSocket with SSL
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What do you mean by "browser rendered dialog"? Like alert()?
– Ivan Perevezentsev
May 22 '16 at 18:58
2
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Is there a way to detect if an image is blurry?
...nted Simon's suggestion and this one in Mathematica, and tried it on a few test images:
The first test blurs the test images using a Gaussian filter with a varying kernel size, then calculates the FFT of the blurred image and takes the average of the 90% highest frequencies:
testFft[img_] := Tab...
How can I maintain fragment state when added to the back stack?
...ash. Version 2 removes _rootView in onDestroyView(), as dell116 suggested. Tested on Android 4.0.3, 4.4.4, 5.1.0.
Version 2
public class FragmentA extends Fragment {
View _rootView;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState...
Simplest/Cleanest way to implement singleton in JavaScript?
...eclaring variables at the module scope:
// my-singleton.js
const somePrivateState = []
function privateFn () {
// ...
}
export default {
method1() {
// ...
},
method2() {
// ...
}
}
Then you can simply import the singleton object to use it:
import myInstance from './my-single...
How to determine whether code is running in DEBUG / RELEASE build?
...figuration :choose debug / release . It can control the simulator and your test iPhone's code status.
Edit scheme -> archive -> build configuration :choose debug / release . It can control the test package app and App Store app 's code status.
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