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How to handle code when app is killed by swiping in android?

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How can I convert an RGB image into grayscale in Python?

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Set element width or height in Standards Mode

... 193 Try declaring the unit of width: e1.style.width = "400px"; // width in PIXELS ...
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How do I turn on SQL debug logging for ActiveRecord in RSpec tests?

... | edited Jan 7 '16 at 16:28 philippe_b 31.7k66 gold badges4646 silver badges4242 bronze badges ...
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Which access modifiers are implied when not specified?

... 218 Everything in a class is public if not specified. Everything in a module is private unless expo...
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How to prevent gcc optimizing some statements in C?

... | edited May 19 '16 at 17:20 answered Feb 8 '10 at 5:53 ...
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What is the fastest way to send 100,000 HTTP requests in Python?

I am opening a file which has 100,000 URL's. I need to send an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure ...
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How to collapse all methods in Xcode?

... | edited Oct 12 '15 at 11:37 answered Feb 15 '11 at 14:24 ...
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Reload the path in PowerShell

... 215 Just to bring Rob's comment to light: $env:Path = [System.Environment]::GetEnvironmentVariable...
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SQLAlchemy: What's the difference between flush() and commit()?

... to the database. flush() is always called as part of a call to commit() (1). When you use a Session object to query the database, the query will return results both from the database and from the flushed parts of the uncommitted transaction it holds. By default, Session objects autoflush their op...