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How to test valid UUID/GUID?
...e is the NIL UUID, noted here. The following regex takes this into account and will return a match for a NIL UUID. See below for a UUID which only accepts non-NIL UUIDs. Both of these solutions are for versions 1 to 5 (see the first character of the third block).
Therefore to validate a UUID...
/^...
How should I escape commas and speech marks in CSV files so they work in Excel?
...en the CSV file in Excel by double clicking it. My data may contain commas and speech marks, so I'm escaping those as follows.
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What is the difference between `git fetch origin` and `git remote update origin`?
...no difference when used like this.
remote update is a very high-level command - it supports grouped remotes (remotes.<group> = <list>), and updating all remotes (except those with remote.<name>.skipDefaultUpdate set), but not any of the more specific options of fetch. Under the ho...
Getting All Variables In Scope
...nk to the official page where you can download the canonical spec (a PDF), and here's one to the official, linkable HTML version.
Update based on your comment to Camsoft
The variables in scope for your event function are determined by where you define your event function, not how they call it. But...
Pandas conditional creation of a series/dataframe column
...color'] = np.where(df['Set']=='Z', 'green', 'red')
For example,
import pandas as pd
import numpy as np
df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')})
df['color'] = np.where(df['Set']=='Z', 'green', 'red')
print(df)
yields
Set Type color
0 Z A green
1 Z B green
2 ...
Remove all subviews?
...h thanks to cocoafan: This situation is muddled up by the fact that NSView and UIView handle things differently. For NSView (desktop Mac development only), you can simply use the following:
[someNSView setSubviews:[NSArray array]];
For UIView (iOS development only), you can safely use makeObjects...
How can I run a function from a script in command line?
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If the script only defines the functions and does nothing else, you can first execute the script within the context of the current shell using the source or . command and then simply call the function. See help source for more information.
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Difference between events and delegates and its respective applications [closed]
...over delegates, other than being syntactical sugar. Perhaps I am misunderstanding, but it seems that event is just a placeholder for delegate.
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Breakpoint on property change
...d "Break on property change", where I can mark any property of any object, and it will stop JavaScript execution right before the change.
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Going from a framework to no-framework [closed]
...ping in PHP for about 8 years as a hobby. In 2009, I picked up codeigniter and since then I've not managed to get a single project developed.
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