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How do I get a list of all the duplicate items using pandas in python?
...d for DataFrames in favor of either sort_values or sort_index Related SO Q&A
– tatlar
Nov 22 '18 at 18:27
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show 2 more comments
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Insert space before capital letters
...= false;
for (var i = 0; i < myString.length; i++)
{
if (!wasUpper && myString[i] == myString.toUpperCase()[i])
{
newString = newString + " ";
wasUpper = true;
}
else
{
wasUpper = false;
}
newString = newString + myString[i];
}
newStri...
Check if a Windows service exists and delete in PowerShell
...Remove-Service cmdlet until Powershell 6.0 (See Remove-Service doc)
For example:
$service = Get-WmiObject -Class Win32_Service -Filter "Name='servicename'"
$service.delete()
Or with the sc.exe tool:
sc.exe delete ServiceName
Finally, if you do have access to PowerShell 6.0:
Remove-Service -N...
Replace transparency in PNG images with white background
...do not forget to do backup. More info here: imagemagick.org/script/mogrify.php
– tro
Jun 22 '17 at 17:28
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show 4 more comments
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How to extract one column of a csv file
If I have a csv file, is there a quick bash way to print out the contents of only any single column? It is safe to assume that each row has the same number of columns, but each column's content would have different length.
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How to do a simple file search in cmd
... new called Where
where /r c:\Windows *.exe *.dll
will search for exe & dll in the drive c:\Windows as suggested by @SPottuit you can also copy the output to the clipboard with
where /r c:\Windows *.exe |clip
just wait for the prompt to return and don't copy anything until then.
EDIT 2:
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Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate
...ote by-value semantics, whereas C doesn't have any except the as-if rule, & this tends to encourage people to pass by pointer.
– underscore_d
Jun 4 '17 at 20:19
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Difference between using bean id and name in Spring configuration file
...on your needs:
If your bean identifier contains special character(s) for example (/viewSummary.html), it wont be allowed as the bean id, because it's not a valid XML ID. In such cases you could skip defining the bean id and supply the bean name instead.
The name attribute also helps in defining alia...
How to round to 2 decimals with Python?
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That is called bankers rounding. It rounds towards the even number. It's in the IEEE 754 standard for floating point numbers. en.wikipedia.org/wiki/Rounding#Round_half_to_even
– rolisz
Dec 9 '13...
Get environment variable value in Dockerfile
... Very nice solution! On a Mac you can get envsubst as part of brew install gettext. But because of possible conflicts with the BSD build system it is "keg-only" and no symlnks are made. However, it is safe to do ln -s /usr/local/Cellar/gettext/*/bin/envsubst /usr/local/bin/ to add that one comma...