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Why return NotImplemented instead of raising NotImplementedError
Python has a singleton called NotImplemented .
4 Answers
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range over interface{} which stores a slice
...rio where you have a function which accepts t interface{} . If it is determined that the t is a slice, how do I range over that slice?
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What does “Git push non-fast-forward updates were rejected” mean?
I'm using Git to manage my two computers and my development. I'm trying to commit changes to GitHub and I'm getting the error.
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How to cancel a pull request on github?
...t page
Click on the pull request
Click the "close pull request" button
Example (button on the very bottom):
This way the pull request gets closed (and ignored), without merging it.
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“new” keyword in Scala
I have a very simple question - when should we apply the new keyword when creating objects in Scala? Is it when we try to instantiate Java objects only?
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How to install pip for Python 3 on Mac OS X?
OS X (Mavericks) has Python 2.7 stock installed. But I do all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I can do it the way I've done it before, which is:
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In Vim, how do I apply a macro to a set of lines?
I have a file with a bunch of lines. I have recorded a macro that performs an operation on a single line. I want to repeat that macro on all of the remaining lines in the file. Is there a quick way to do this?
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How would I get a cron job to run every 30 minutes?
I'm looking to add a crontab entry to execute a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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Button in a column, getting the row from which it came on the Click event handler
I've set the itemsource of my WPF Datagrid to a List of Objects returned from my DAL. I've also added an extra column which contains a button, the xaml is below.
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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
Will ConfigurationManager.AppSettings["blah"] throw an exception if "blah" doesn't exist in the web/app.config?
6 Answers
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