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Check if a value exists in pandas dataframe index
... there is an obvious way to do this but cant think of anything slick right now.
6 Answers
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How do you check in python whether a string contains only numbers?
...s, negatives numbers, etc.. All the examples before will be wrong.
Until now I got something like this, but I think it could be a lot better:
'95.95'.replace('.','',1).isdigit()
will return true only if there is one or no '.' in the string of digits.
'9.5.9.5'.replace('.','',1).isdigit()
wil...
String strip() for JavaScript? [duplicate]
... String(this).replace(/^\s+|\s+$/g, '');
};
}
The trim function will now be available as a first-class function on your strings. For example:
" dog".trim() === "dog" //true
EDIT: Took J-P's suggestion to combine the regex patterns into one. Also added the global modifier per Christoph's s...
Linking to other Wiki pages on GitHub? [closed]
... As of May 2014, this appears to have been fixed on GitHub. This answer now works on all pages. However, the preview is still broken.
– drhagen
May 9 '14 at 21:20
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Insert into a MySQL table or update if exists
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I know all of you allude to this, but I want to be explicit for others. If the ID you insert is NOT the PRIMARY KEY or UNIQUE, then this will not work. This didn't initially work for me because my ID was not unique.
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How to create a HTTP server in Android? [closed]
...ir . For example I am copying a file named f1 in homeDir (using javacode). Now the file copying is in progress and if some one send request for the file f1 Can server will process the request?
– Ashwin N Bhanushali
Mar 29 '13 at 9:44
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In which language are the Java compiler and JVM written?
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@devdimi the link is broken and now resides at: stroustrup.com/applications.html
– flup
Jul 13 '13 at 11:25
1
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How do I update devDependencies in NPM?
... npm -g
Then relaunch the console (in order for changes to take effect).
Now you can check your new npm --version and if it is up to date execute:
npm update
or (if you prefer):
npm update --save-dev
share
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How to limit setAccessible to only “legitimate” uses?
...-so-ever. The singleton pattern (putting doubts about its merits aside) is now impossible to enforce.
If that worries you, then I suppose you need to worry. But really you should not be trying to force other programmers to respect your design decisions. If people are stupid enough to use reflect...
How to split a string and assign it to variables
...rDetail = net.SplitHostPort("0.0.0.1:8080") //Specific for Host and Port
Now use in you code like ServerDetail.Host and ServerDetail.Port
If you don't want to split specific string do it like this:
type ServerDetail struct {
Host string
Port string
}
ServerDetail = strings.S...
