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float64 with pandas to_csv
...ad the CSV file as usual and you will get those integer figures back. Then convert those values to floating point, dividing by the same factor you multiplied before.
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getMonth in javascript gives previous month
...conds...) which are always used as numbers as they are, the month is often converted to text, using an array of names, which is of course 0-based. It was already the case in C standard libraries, which must be over 40 years old.
– jcaron
Aug 24 '17 at 8:40
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Tar a directory, but don't store full absolute paths in the archive
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how about if you also want to select the files to backup based on a wildcard? -C /var/www/site1 *.dat doesn't work :(
– Andy Lorenz
Nov 5 '14 at 10:30
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Differences between unique_ptr and shared_ptr [duplicate]
...ated with make_shared. But if you create a unique_ptr<Derived>, then convert it to unique_ptr<Base>, and if Derived is virtual and Base is not, then the pointer will be deleted through the wrong type and there can be undefined behaviour. This can be fixed with an appropriate deleter-type...
How do I create a simple 'Hello World' module in Magento?
...ck our work). In the admin application
Go to System->Cache Management
Select Refresh from the All Cache menu
Click Save Cache settings
Now, we make sure that Magento knows about the module
Go to System->Configuration
Click Advanced
In the "Disable modules output" setting box, look for yo...
Unsupported major.minor version 52.0 [duplicate]
...s of your IDE. For example, in Eclipse go to menu Windows → Preferences, select Java, and expand it. Then select Compiler and change the compliance level to 1.7. I am sure this will work from there.
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Best way to randomize an array with .NET
...] randomInt = new byte[4];
rnd.GetBytes(randomInt);
return Convert.ToInt32(randomInt[0]);
}
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Concatenate a vector of strings/character
..._num_str_named$e4 <- 'this is added'
Here is the a function that will convert named or unnamed list to string:
ffi_lst2str <- function(ls_list, st_desc, bl_print=TRUE) {
# string desc
if(missing(st_desc)){
st_desc <- deparse(substitute(ls_list))
}
# create string
st_strin...
CSS styling in Django forms
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one issue with this method is that this filter converts the BoundField into SafeString, so other (similar) filters cannot be chained. django-widget-tweaks returns fields so it's a more robust solution.
– minusf
Sep 24 at 9:09
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How to query as GROUP BY in django?
...nnotate(dcount=Count('designation'))
This results in a query similar to
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation
and the output would be of the form
[{'designation': 'Salesman', 'dcount': 2},
{'designation': 'Manager', 'dcount': 2}]
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