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Random string generation with upper case letters and digits
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Answer in one line:
''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(N))
or even shorter starting with Python 3.6 using random.choices():
''.join(random.choices(string.ascii_uppercase + string.digits, k=N))
A cryptographi...
How to get all properties values of a JavaScript Object (without knowing the keys)?
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If you're reading this answer and you might be possibly dealing with strings, you should definitely punch javascript in the face.
– user1228
Jan 28 '16 at 14:35
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Where can I find the error logs of nginx, using FastCGI and Django?
...ve it in /var/log/nginx/error.log. It is best to check the nginx.conf file and find the error_log setting.
– MarthyM
Dec 15 '16 at 13:06
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Windows shell command to get the full path to the current directory?
Is there a Windows command line command that I can use to get the full path to the current working directory?
14 Answers
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process.env.NODE_ENV is undefined
...e default value should be 'development'. How is this value dynamically set and where is it set initially?
12 Answers
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
... quotes around your file expression -- these will stop the shell (bash) expanding your wildcards.
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cscope or ctags why choose one over the other? [closed]
I primarily use vim / gvim as an editor and am looking at using a combination of lxr (the Linux Cross Reference) and either cscope or ctags for exploring the kernel source. However, I haven't ever used either cscope or ctags and would like to hear why one might choose one over the other t...
Define: What is a HashSet?
... HashSet holds a set of objects, but in a way that it allows you to easily and quickly determine whether an object is already in the set or not. It does so by internally managing an array and storing the object using an index which is calculated from the hashcode of the object. Take a look here
Hash...
Can I set variables to undefined or pass undefined as an argument?
I’m a bit confused about JavaScript’s undefined and null values.
10 Answers
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Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
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