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How to write to an existing excel file without overwriting data (using pandas)?
...riter gives a clue that something like this might work out:
import pandas
from openpyxl import load_workbook
book = load_workbook('Masterfile.xlsx')
writer = pandas.ExcelWriter('Masterfile.xlsx', engine='openpyxl')
writer.book = book
## ExcelWriter for some reason uses writer.sheets to access th...
Reverse colormap in matplotlib
...lotlib.colors provides a function ListedColormap() to generate a color map from a list. So you can reverse any color map by doing
colormap_r = ListedColormap(colormap.colors[::-1])
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How to truncate the time on a DateTime object in Python?
...our years later: another way, avoiding replace
I know the accepted answer from four years ago works, but this seems a tad lighter than using replace:
dt = datetime.date.today()
dt = datetime.datetime(dt.year, dt.month, dt.day)
Notes
When you create a datetime object without passing time proper...
node.js, socket.io with SSL
...should not be needed if you specify 'https' in the url. Here is an excerpt from socket.io client source secure: 'https' == uri.protocol (version 0.9.16), it sets secure option to true if https is detected in the url.
– XiaoChuan Yu
Jul 28 '13 at 22:08
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How do I pass multiple attributes into an Angular.js attribute directive?
...I've edited the attribute names to use snake-case. You OK if I remove that from your answer as it was just a silly error by me and distracts from the point of the actual question and answer?
– Undistraction
May 14 '13 at 17:58
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Deserializing a JSON into a JavaScript object
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Modern browsers support JSON.parse().
var arr_from_json = JSON.parse( json_string );
In browsers that don't, you can include the json2 library.
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php $_POST array empty upon form submission
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I also had a similar problem, it was coming from my .htaccess file. It was stripping the .php extension from the URL, and my form was POSTing to the URL with the extension.
– Emanuel Vintilă
Feb 28 '16 at 12:29
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Make elasticsearch only return certain fields?
...mapping. Otherwise ES will still load the _source document and load fields from there. May impact performance if returned data is relatively small to the size of a whole document.
– Zaar Hai
Aug 18 '13 at 10:19
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Different between parseInt() and valueOf() in java?
How is parseInt() different from valueOf() ?
11 Answers
11
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Closure in Java 7 [closed]
...included. -ed) Can anyone please provide me with some reliable references from where I can learn stuff about closures?
7 A...