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Remove all whitespace in a string
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If you want to remove leading and ending spaces, use str.strip():
sentence = ' hello apple'
sentence.strip()
>>> 'hello apple'
If you want to remove all space characters, use str.replace():
(NB this only remov...
C++ const map element access
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Rather than insert a new default constructed element as operator[] does if an element with the given key does not exist, it throws a std::out_of_range exception. (This is similar to the behaviour of at() for deque and vector.)
Because of this behaviour it makes sense for there to be a const over...
How can I verify a Google authentication API access token?
How can I verify a Google authentication access token?
9 Answers
9
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Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
...ld computer though, which by its look may be a 486, and I am not even sure if it's functioning (Update: it isn't).
18 Answe...
How to extract numbers from a string in Python?
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If you only want to extract only positive integers, try the following:
>>> str = "h3110 23 cat 444.4 rabbit 11 2 dog"
>>> [int(s) for s in str.split() if s.isdigit()]
[23, 11, 2]
I would argue that this is ...
Remove/hide a preference from the screen
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Yes, if you have a reference to both the Preference, and its parent (a PreferenceCategory, or PreferenceScreen)
myPreferenceScreen.removePreference(myPreference);
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Chmod 777 to a folder and all contents [duplicate]
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If you are going for a console command it would be:
chmod -R 777 /www/store. The -R (or --recursive) options make it recursive.
Or if you want to make all the files in the current directory have all permissions type:
chmo...
Scanning Java annotations at runtime [closed]
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NOTE: If you are doing this inside a Spring application, Spring will still evaluate and act based on @Conditional annotations. So if a class has its @Conditional value returning false, it won't be returned by findCandidateComponent...
How do I work around JavaScript's parseInt octal behavior?
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This is a common Javascript gotcha with a simple solution:
Just specify the base, or 'radix', like so:
parseInt('08',10); // 8
You could also use Number:
Number('08'); // 8
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impro...
Border for an Image view in Android?
...droid:width="0.7dp"
android:color="#b4b4b4" />
</shape>
if you want to give rounded corner to the border of image then you may change a line in border.xml file
<corners android:radius="4dp" />
shar...