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System.currentTimeMillis vs System.nanoTime

... values change. Differences in successive calls that span greater than approximately 292 years (263 nanoseconds) will not accurately compute elapsed time due to numerical overflow. For example, to measure how long some code takes to execute: long startTime = System.nanoTime(); // .....
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o

... it doesn't call onSaveInstanceState - why would it ? So, this approach doesn't work. – midnight Dec 29 '12 at 9:34 10 ...
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How to disable text selection highlighting

...nd it relys on JavaScript. Making a class and adding it to your element or applying the css to your type of element in your style-sheet is pretty bullet proof. – Blowsie Jan 14 '11 at 13:07 ...
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Multiple Updates in MySQL

...should be aware of its drawbacks and limitations: As being said, if you happen to launch the query with rows whose primary keys don't exist in the table, the query inserts new "half-baked" records. Probably it's not what you want If you have a table with a not null field without default value and ...
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How to duplicate sys.stdout to a log file?

Edit: Since it appears that there's either no solution, or I'm doing something so non-standard that nobody knows - I'll revise my question to also ask: What is the best way to accomplish logging when a python app is making a lot of system calls? ...
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Django admin: How to display a field that is marked as editable=False' in the model?

... I just created a sample application to reproduce your error (django 2.0.8, python 3.5). This still works fine. Maybe something else is wrong in your app @nerdoc? – tback Sep 5 '18 at 13:29 ...
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How can I get a web site's favicon?

Simple enough question: I've create a small app that is basically just a favourites that sits in my system tray so that I can open often-used sites/folders/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get...
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Github: Can I see the number of downloads for a repo?

... The autogenerated source archive files are apparently not assets.. (see this comment) – olejorgenb Jan 19 at 8:25 add a comment ...
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Exception thrown in NSOrderedSet generated accessors

On my Lion app, I have this data model: 25 Answers 25 ...
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C# How can I check if a URL exists/is valid?

...arallel.Foreach loop if you hadn't tried that yet. It made my url testing app MUCH faster. – Jack Fairfield Apr 28 '17 at 21:59 3 ...