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ipython notebook clear cell output in code
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You can use IPython.display.clear_output to clear the output of a cell.
from IPython.display import clear_output
for i in range(10):
clear_output(wait=True)
print("Hello World!")
At the end of this loop you will only ...
RSpec controller testing - blank response.body
... with a problem when testing my controllers with RSpec - the response.body call always returns an empty string. In browser everything renders correctly, and cucumber feature tests seem to get it right, but RSpec fails each and every time.
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Why is the parent div height zero when it has floated children
... This was the exact solution i've been looking for. Overflow: hidden cause box shadow to vanish, naturally.
– Kitiara
Jun 3 at 23:13
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Difference between constituency parser and dependency parser
...n words, then you probably want the dependency parse.
The Stanford parser can give you either (online demo). In fact, the way it really works is to always parse the sentence with the constituency parser, and then, if needed, it performs a deterministic (rule-based) transformation on the constituen...
Best way to write to the console in PowerShell
...-Host which exists for the sole reason of outputting text in the host application.
If you want output, then use the Write-* cmdlets. If you want return values from a function, then just dump the objects there without any cmdlet.
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I want to exception handle 'list index out of range.'
...nIntriagoThoth: While None is clearly cleaner, the OP wants 'null' in this case.
– ThiefMaster
Oct 27 '17 at 12:25
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Counting occurrences in Vim without marking the buffer changed
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:!cat %| grep -c "pattern"
It's not exactly vim command, but it will give you what you need from vim.
You can map it to the command if you need to use it frequently.
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String replacement in Objective-C
...thought the point of having NSString and an NSMutableString subclass was because an instance of NSString is unchangeable. While--like any sane person, I'd rather have ducks than strings any day--the fact that you just overwrote the contents of str just blew my mind.
– ele
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Capturing “Delete” Keypress with jQuery
...rom the jQuery documentation for the keypress event handler, I'm unable to capture the Delete key. The snippet below is going to log 0 when the Delete key is pressed in FireFox:
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What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
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Showing the failed case is helpful.
– Hal50000
Oct 23 '16 at 15:44
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