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Combine Date and Time columns using python pandas
...worth mentioning that you may have been able to read this in directly e.g. if you were using read_csv using parse_dates=[['Date', 'Time']].
Assuming these are just strings you could simply add them together (with a space), allowing you to apply to_datetime:
In [11]: df['Date'] + ' ' + df['Time']
O...
Removing elements by class name?
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If you prefer not to use JQuery:
function removeElementsByClass(className){
var elements = document.getElementsByClassName(className);
while(elements.length > 0){
elements[0].parentNode.removeChild(element...
iPhone App Icons - Exact Radius?
...ou can make four icons (as of today) for your app and they can all have a different look - not necessarily based on the 512x512 image.
corner radius for the 512x512 icon = 80 (iTunesArtwork)
corner radius for the 1024x1024 icon = 180 (iTunesArtwork Retina)
corner radius for the 57x57 icon = 9 (iPh...
Just disable scroll not hide it?
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If the page under the overlayer can be "fixed" at the top, when you open the overlay you can set
body { position: fixed; overflow-y:scroll }
you should still see the right scrollbar but the content is not scrollable. When ...
go to character in vim
...the first file has been read. {command} is interpreted as an Ex command. If the
{command} contains spaces it must be enclosed in double quotes
(this depends on the shell that is used).
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Using semicolon (;) vs plus (+) with exec in find
Why is there a difference in output between using
6 Answers
6
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Convert InputStream to BufferedReader
...provides bytes, converting these to text means the encoding must be known. If you don't specify it, the system default is assumed.
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Java: How to get input from System.console()
...Format!");
}
}
}
System.console() returns null in an IDE.
So if you really need to use System.console(), read this solution from McDowell.
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Getting attribute using XPath
... XPath expression produces exactly the string value of the lang attribute. If the attribute doesn't contain any square brackets, they will not be part of the result of the evaluation of the XPath expression. My guess is that these are added by an (inappropriate) tool you are using.
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How do I ALTER a PostgreSQL table and make a column unique?
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If you do this, postgres is going to create the constraint but is the name is going to "automatically" assign is the word "add". I have just tried it
– Santi
Jan 16 at 23:44
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