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Specify custom Date format for colClasses argument in read.table/read.csv
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You can write your own function that accepts a string and converts it to a Date using the format you want, then use the setAs to set it as an as method. Then you can use your function as part of the colClasses.
Try:
setAs("character","myDate", function(from) as.Date(from, format=...
Find the min/max element of an Array in JavaScript
...e to debug. A jquery array works fine on everything but the iPad. I had to convert the array to a true native array for it to work. Only affected the single device for some reason Math.max.apply(null, $.makeArray(array));
– Forrest
Jul 25 '12 at 21:17
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Pass parameter to fabric task
...sub-process to run the scripts, or you will get an error. You will need to convert the variables back to int/boolean types separately.
def print_this(var):
print str(var)
fab print_this:'hello world'
fab print_this='hello'
fab print_this:'99'
fab print_this='True'
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Pandas: Looking up the list of sheets in an excel file
...sed only zipfile which is an in-built module and xmltodict which I used to convert the XML into an easily iterable dictionary. Although you can look at @divingTobi's answer below where you can read the same file without actually extracting the files within.
– Dhwanil shah
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How do I filter ForeignKey choices in a Django ModelForm?
...tions = super(FrontEndAdmin, self).get_actions(request)
if 'delete_selected' in actions:
del actions['delete_selected']
return actions
prevents delete permission
def has_delete_permission(self, request, obj=None):
return False
filters objects that can be ...
Why use the params keyword?
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You could also use return args.Select(x => x + 2).Sum();
– bbvg
Aug 22 '17 at 21:07
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How to 'minify' Javascript code
...alert(condition?'yes':'no')
//if the condition is true alert yes else no
Convert a number to a string or viceversa
var a=10;
var b=a.toString();
var c=parseFloat(b)
//same as
var a=10,b,c;
b=a+'';
c=b*1
//shorter
var a=10;
a+='';//String
a*=1;//Number
Round a number
var a=10.3899845
var b=Mat...
How can I filter lines on load in Pandas read_csv function?
... read_csv. However, read_csv returns a DataFrame, which can be filtered by selecting rows by boolean vector df[bool_vec]:
filtered = df[(df['timestamp'] > targettime)]
This is selecting all rows in df (assuming df is any DataFrame, such as the result of a read_csv call, that at least contains ...
Find and replace - Add carriage return OR Newline
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Make sure "Use: Regular expressions" is selected in the Find and Replace dialog:
Note that for Visual Studio 2010, this doesn't work in the Visual Studio Productivity Power Tools' "Quick Find" extension (as of the July 2011 update); instead, you'll need to use t...
Why does Hibernate require no argument constructor?
...please look at my problem How to write HQL JOIN query for multiple table's selected Columns using Constructor In The Select Clause
– Shantaram Tupe
Dec 9 '17 at 9:33
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