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How do you check in python whether a string contains only numbers?
....isdigit():
From the isdigit documentation:
str.isdigit()
Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handling, such as the compatibility superscript digits. This covers ...
MySQL case insensitive select
...ble statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin
– gregthegeek
Mar 19 '14 at 18:56
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How to add images to README.md on GitHub?
...ectory not the repo, so if you have 'myimage.png' in the same dir as 'about_pics.md' then the markup is:
– Rich
Mar 8 '17 at 2:06
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What is the difference between ~> and >= when specifying rubygem in Gemfile?
... and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to:
gem "cucumber", ">=0.8.5", "<0.9.0"
The easy way to think about it is that you're okay with the last digit incrementing to some arbitrary value, but the ones preceding it in the string cannot be gr...
Convert all strings in a list to int
In Python, I want to convert all strings in a list to integers.
4 Answers
4
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OpenSSL and error in reading openssl.conf file
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You can also set it as part of the computer's environmental variables so all users and services have it available by default. See, for example, Environment variables in Windows NT and How To Manage Environment Variables in Windows XP.
Now you can run openssl commands without having to pass the co...
Which comment style should I use in batch files?
...his is a comment, the caret is ignored^
echo This line is printed
REM This_is_a_comment_the_caret_appends_the_next_line^
echo This line is part of the remark
REM followed by some characters .:\/= works a bit different, it doesn't comment an ampersand, so you can use it as inline comment.
echo Fi...
Group vs role (Any real difference?)
...effectively inherits those permissions when he acts under that role.
Typically your group membership remains during the duration of your login. A role, on the other hand, can be activated according to specific conditions. If your current role is 'medical-staff' you might be able to see some of the ...
Array to Hash Ruby
...aveat per @Mike Lewis (in the comments): "Be very careful with this. Ruby expands splats on the stack. If you do this with a large dataset, expect to blow out your stack."
So, for most general use cases this method is great, but use a different method if you want to do the conversion on lots of dat...
Where'd padding go, when setting background Drawable?
I have this issue on my EditText and Button views, where I have a nice padding for them to space away from the text, but when I change the background with setBackgroundDrawable or setBackgroundResource that padding is lost forever.
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