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Catch multiple exceptions in one line (except block)

...e variable if you have long exception handling or your IDE only highlights selections larger than that, as mine does.) The instance has an args attribute. Here is an example: import sys try: mainstuff() except (KeyboardInterrupt, EOFError) as err: print(err) print(err.args) sys.ex...
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How to randomize (or permute) a dataframe rowwise and columnwise?

...ple(1:n())) or df2 <- sample_frac(df1, 1L) column-wise: df2 <- select(df1, one_of(sample(names(df1)))) share | improve this answer | follow | ...
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Detect If Browser Tab Has Focus

... onblur|.blur/onfocus|.focus "duplicate" calls window losing focus through selection of alternate app, like word This tends to be undesirable simply because, if you have a bank page open, and it's onblur event tells it to mask the page, then if you open calculator, you can't see the page anymore! ...
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Don't reload application when orientation changes

...ys a random image when it first loads and rotating the device should not select another random image. How can I (simply) make this behavior stop? ...
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How do you hide the Address bar in Google Chrome for Chrome Apps?

... site you want in Chrome. Click the Chrome menu in your browser toolbar. Select "More Tools" > "Create shortcut…" Check "Open as window", press "Add" Once you launch from that shortcut it will be a window without toolbar. ...
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Gmail Error :The SMTP server requires a secure connection or the client was not authenticated. The s

... Yes, the reason is 2 steps verification switched On for gmail account. Select App/Device and click Generate button support.google.com/accounts/answer/185833 – smily Dec 25 '15 at 15:34 ...
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The smallest difference between 2 Angles

... a one line simple solution and solved for me(not the selected answer ;) ). but tan inverse is a costly process. – Mohan Kumar Jun 20 '16 at 16:32 ...
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Cast List to List

... clientList = new List<Client>(); List<IDic> list = clientList.Select(c => (IDic)c).ToList(); share | improve this answer | follow | ...
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IISExpress returns a 503 error from remote machines

... One more hint: If you right-click on IISExpress' systray icon, you can select "Show all applications" which will open up a dialog showing all applications you're currently running locally. Right-click on the desired application (don't left-click or it will open the browser), then you will see "P...
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Access parent URL from iframe

... how is this be the selected answer? there are much better descriptions of possible solutions below. – Anoyz Sep 15 '14 at 13:40 ...