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How to split a string in Haskell?
... Data.List.Split> l
["1","2","3","4"]
Prelude Data.List.Split> let { convert :: [String] -> [Integer]; convert = map read }
Prelude Data.List.Split> let l2 = convert l
Prelude Data.List.Split> :t l2
l2 :: [Integer]
Prelude Data.List.Split> l2
[1,2,3,4]
...
How to change line-ending settings
...tocrlf true
This will make sure when you checkout in windows, all LF will convert to CRLF
.gitattributes File
It is a good idea to keep a .gitattributes file as we don't want to expect everyone in our team set their config. This file should keep in repo's root path and if exist one, git will respec...
OpenSSL: PEM routines:PEM_read_bio:no start line:pem_lib.c:703:Expecting: TRUSTED CERTIFICATE [close
...0BAQUFADBM^M
To solve "this" open it with Write or Notepad++ and have it convert it to Windows "style"
Try to run openssl x509 -text -inform DER -in server_cert.pem and see what the output is, it is unlikely that a private/secret key would be untrusted, trust only is needed if you exported the key...
Return first N key:value pairs from dict
...nly need the first 2 elements. What if the dictionary has 1 mil k-v pairs? Converting the whole thing to a list is expensive. Mark Byers's solution is much better.
– J.J.
Aug 4 '19 at 23:18
...
Is there any way to use a numeric type as an object key?
... that when I use a numeric type as a key name in an object, it always gets converted to a string. Is there anyway to actually get it to store as a numeric? The normal typecasting does not seem to work.
...
What does ^M character mean in Vim?
... text file is - file.txt, then run this command -
dos2unix file.txt
It converts the text file from dos to unix format.
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How to output numbers with leading zeros in JavaScript [duplicate]
...tart
You're asking for zero padding? Not really rounding. You'll have to convert it to a string since numbers don't make sense with leading zeros. Something like this...
function pad(num, size) {
var s = num+"";
while (s.length < size) s = "0" + s;
return s;
}
Or if you know you'...
Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine
...(timestamp, 'localtime')
That seems to work - is that the correct way to convert for your timezone, or is there a better way to do this?
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Using IPython notebooks under version control
...def post_save(model, os_path, contents_manager):
"""post-save hook for converting notebooks to .py scripts"""
if model['type'] != 'notebook':
return # only do this for notebooks
d, fname = os.path.split(os_path)
check_call(['jupyter', 'nbconvert', '--to', 'script', fname], cw...
采花大盗速成秘籍之YQL - 人工智能(AI) - 清泛IT论坛，有思想、有深度
采花大盗速成秘籍之YQL
理想情况下，在一个和谐的网络里，应该允许网站彼此自由的分享数据，不过和谐的网络就好像和谐的社会一样，从未真正存在过，除了少数开放了API的网站，更多的时候，我们只能通过采集来获得数据...