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convert string array to string
... Wouldn't that make "HelloWorld!" without a space between the words?
– jmort253
Jan 30 '11 at 6:33
1
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How to close activity and go back to previous activity in android
...turn after calling finish() to fix this" I think 'fix' is a bad choice of words here. It's more like you're avoiding execution of the following lines (not fixing).
– Lo-Tan
Jun 20 '13 at 17:37
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How to print to console using swift playground?
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A picture is worth a million words.
– Thuy Trinh
Jun 7 '14 at 6:36
5
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gdb split view with code
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There are not enough words to describe how awesome that is. Thanks :)
– unresolved_external
Dec 20 '19 at 15:57
1
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Add file extension to files with bash
...$2;}'); mv -n "$f" "$f.$ext"; done
The use of awk is to strip the second word of the string returned from the command file that is actually the extension.
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All but last element of Ruby array
...es most sense to this user. The mirror operations are at hand and it uses words that are easy to interpret && concise.
– Jerome
Mar 22 '17 at 9:39
2
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Random strings in Python
...from (for example) lowercase characters:
import random, string
def randomword(length):
letters = string.ascii_lowercase
return ''.join(random.choice(letters) for i in range(length))
Results:
>>> randomword(10)
'vxnxikmhdc'
>>> randomword(10)
'ytqhdohksy'
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Highlight bash/shell code in markdown
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If need only to highlight first word as command, so I often use properties:
```properties
npm run build
```
I obtain something like:
npm run build
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Python None comparison: should I use “is” or ==?
...they actually are the same object (not just equivalent objects)
In other words, == is a check for equivalence (which is defined from object to object) whereas is checks for object identity:
lst = [1,2,3]
lst == lst[:] # This is True since the lists are "equivalent"
lst is lst[:] # This is False...
How to repeat last command in python interpreter shell?
...eturn while cursor is on a previous command retrieves that command.
Expand word is also useful to reduce typing.
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