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How can I join elements of an array in Bash?
..._by { local d=$1; shift; local f=$1; shift; printf %s "$f" "${@/#/$d}"; }
For example,
join_by , a b c #a,b,c
join_by ' , ' a b c #a , b , c
join_by ')|(' a b c #a)|(b)|(c
join_by ' %s ' a b c #a %s b %s c
join_by $'\n' a b c #a<newline>b<newline>c
join_by - a b c #a-b-c
join_by '\' a b...
Print number of keys in Redis
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You can issue the INFO command, which returns information and statistics about the server. See here for an example output.
As mentioned in the comments by mVChr, you can use info keyspace directly on the redis-cli.
redis> INFO
# Server
redis_version:6.0.6
redis_git_sha1...
SQL Server: Make all UPPER case to Proper Case/Title Case
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This will blow up for non-english input.
– Tomalak
Oct 23 '08 at 16:28
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Removing a list of characters in string
...ting list:
>>> sc = set(chars_to_remove)
>>> ''.join([c for c in subj if c not in sc])
'ABC'
(Note that the generator version ''.join(c for c ...) will be less efficient).
B. Create a regular expression on the fly and re.sub with an empty string:
>>> import re
>>...
UIWebView open links in Safari
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Add this to the UIWebView delegate:
(edited to check for navigation type. you could also pass through file:// requests which would be relative links)
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType...
Twitter API returns error 215, Bad Authentication Data
I am trying to call following Twitter's API to get a list of followers for a user.
15 Answers
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What's an easy way to read random line from a file in Unix command line?
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Thanks for the shuf tip, it's built-in in Fedora.
– Cheng
Dec 2 '10 at 2:52
5
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How to store int[] array in application Settings
I'm creating a simple windows Forms application using C# express 2008. I'm an experienced C++ developer, but I am pretty much brand new to C# and .NET.
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Chain-calling parent initialisers in python [duplicate]
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The way you are doing it is indeed the recommended one (for Python 2.x).
The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than implicit"...
SQL Server: Filter output of sp_who2
...n easy way to filter the output of sp_who2? Say I wanted to just show rows for a certain database, for example.
12 Answers
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