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How to combine two strings together in PHP?
...= implode(', ', array($addr1, $addr2, addr3)); no need for if($addr != '') etc
– Aba
Jan 5 '16 at 17:12
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Convert a list to a string in C#
...st). The first parameter is the delimiter. So you could also comma-delimit etc.
You might also want to look at using StringBuilder to do running concatenations, rather than forming a list.
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Simple way to encode a string according to a password?
...ld think of.
The key that Fernet generates is a bytes object with URL and file safe base64 characters, so printable:
from cryptography.fernet import Fernet
key = Fernet.generate_key() # store in a secure location
print("Key:", key.decode())
To encrypt or decrypt messages, create a Fernet() ins...
How to center a (background) image within a div?
...he entire image to show without any part of the image being cut off or stretched you want to use background-size: contain;
– Zlerp
Feb 28 '18 at 22:47
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Center Align on a Absolutely Positioned Div
...over others 99% of the time, you don't have to deal with padding, borders, etc. I've never seen this fail, next time provide an example if it fails for you.
– Dan
Nov 11 '13 at 18:47
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How can I recall the argument of the previous bash command?
... Also, if you want an arbitrary argument, you can use !!:1, !!:2, etc. (!!:0 is the previous command itself.) See gnu.org/software/bash/manual/bashref.html#History-Interaction
– janmoesen
Jul 30 '10 at 12:21
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Get table column names in MySQL?
...ick test, SHOW COLUMNS returns a table containing the column names, types, etc, while SELECT COLUMN NAME returns just the column names.
– mwfearnley
Jul 20 '16 at 16:30
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Is there shorthand for returning a default value if None in Python? [duplicate]
... This will return "default" if x is any falsy value, e.g. None, [], "", etc. but is often good enough and cleaner looking.
– FogleBird
Dec 4 '12 at 19:45
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Changing a specific column name in pandas DataFrame
... the columns here is the simple one which will work for both Default(0,1,2,etc;) and existing columns but not much useful for a larger data sets(having many columns).
For a larger data set we can slice the columns that we need and apply the below code:
df.columns = ['new_name','new_name1','old_nam...
Can I target all tags with a single selector?
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The jQuery selector for all h tags (h1, h2 etc) is " :header ". For example, if you wanted to make all h tags red in color with jQuery, use:
$(':header').css("color","red")
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