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Rename specific column(s) in pandas
... about the same (though YMMV depending on your data set and scenario). The test case below is to rename columns A M N Z to A2 M2 N2 Z2 in a dataframe with columns A to Z containing a million rows.
# Import required modules
import numpy as np
import pandas as pd
import timeit
# Create sample data
d...
Formatting Numbers by padding with leading zeros in SQL Server
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+1 You even showed me how to remove the 0s! Let me test this, and I'll mark it as an answer.
– jp2code
Mar 1 '12 at 17:15
1
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How to set a JavaScript breakpoint from code in Chrome?
...just add a line containing the word debugger to your code at the required test point.
How can I get a favicon to show up in my django app?
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Tipp: favicon.ico didnt do it for me, after testing with .png extension it worked!
– kaya
Sep 3 '18 at 9:59
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Running a Haskell program on the Android OS
...consider making a large Haskell program with JHC, you should do some small tests before you go full on.
jhc does have a manual http://repetae.net/computer/jhc/manual.html and a section on setting-up cross-compilation and .ini file with options: http://repetae.net/computer/jhc/manual.html#crosscompi...
How to get client's IP address using JavaScript?
... "geobyteslongitude": "49.660999",
"geobytescapital": "Riyadh ",
"geobytestimezone": "+03:00",
"geobytesnationalitysingular": "Saudi Arabian ",
"geobytespopulation": "22757092",
"geobytesnationalityplural": "Saudis",
"geobytesmapreference": "Middle East ",
"geobytescurrency": "Saudi Ri...
How to get the path of the batch script in Windows?
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In which world? I just tested this answer on Windows Server 2012 r2 and it turns out %~dp0 will be an absolute path even when the script was run as a relative path. Thanks to jeb's comment, I was not fooled by this answer. Why do people just make ...
Pros and Cons of Interface constants [closed]
... it may suffice (it'll be good enough, and hence be less code to write and test). Here's an example of a good enough and a bad use:
Bad:
interface User {
const TYPE_ADMINISTRATOR = 1;
const TYPE_USER = 2;
const TYPE_GUEST = 3;
}
Good Enough:
interface HTTPRequest_1...
How can I use Autolayout to set constraints on my UIScrollview?
... scrolling, just swap all the width and height directions in this example (tested and working).
Further Study
iOS: How To Make AutoLayout Work On A ScrollView
How to configure a UIScrollView with Auto Layout in Interface Builder
YouTube video tutorial: UIScrollView - How to keep your views on scree...
jQuery Validate Required Select
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You can test the selected text instead of value, like this: $.validator.addMethod("valueNotEquals", function(value, element, arg){ return return arg != jQuery(element).find('option:selected').text(); }, "Value must not equal arg."...