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python date of the previous month
... can also chain the .replace() function. Do it once to get the last month, then do it again to get the day you want. First: d = date.today() then one_month_ago = (d.replace(day=1) - timedelta(days=1)).replace(day=d.day)
– Thane Plummer
Jul 15 '15 at 22:12
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Python json.loads shows ValueError: Extra data
...value"}]
[{"2nd record data": value, "2nd record key": "another value"}]
then loads() will fail.
I verified this with my own file that was failing.
import json
guestFile = open("1_guests.json",'r')
guestData = guestFile.read()
guestFile.close()
gdfJson = json.loads(guestData)
This works becau...
Which characters make a URL invalid?
...t;\^`{|}
Every other character from ASCII can legally feature in a URL.
Then RFC 3987 extends that set of unreserved characters with the following unicode character ranges:
%xA0-D7FF / %xF900-FDCF / %xFDF0-FFEF
/ %x10000-1FFFD / %x20000-2FFFD / %x30000-3FFFD
/ %x40000-4FFFD / %x50000-5FFFD / %...
Delete duplicate rows from small table
... because this runs only 2 queries. First one to select all the duplicates, then one to delete all items from the table. The query by @a_horse_with_no_name does a query to see if it matches any other for every single item in the table.
– Aeolun
May 28 '18 at 8:...
Check if a class has a member function of a given signature
...t & T::operator*() const.
If you are not already wise to this gotcha, then a look at of the definition of
std::shared_ptr<T> in the header <memory> will shed light. In that
implementation, std::shared_ptr<T> is derived from a base class
from which it inherits operator*() const...
Problems with contenttypes when loading a fixture in Django
...and abandoned fixtures entirely in favor of straight SQL dumps (of course, then you lose DB portability).
update - the best answer is to use the --natural flag to dumpdata, as noted in an answer below. That flag did not exist yet when I wrote this answer.
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How to remove all line breaks from a string
...ll newlines in a string, use a global match,
/\r?\n|\r/g
respectively. Then proceed with the replace method as suggested in several other answers. (Probably you do not want to remove the newlines, but replace them with other whitespace, for example the space character, so that words remain intac...
Better way to cast object to int
...t) myobject should just work.
If that gives you an invalid cast exception then it is probably because the variant type isn't VT_I4. My bet is that a variant with VT_I4 is converted into a boxed int, VT_I2 into a boxed short, etc.
When doing a cast on a boxed value type it is only valid to cast it...
Spring RestTemplate GET with parameters
...o: You're correct, but if you're expecting a generic type in the response, then you need to use exchange and provide a ParameterizedTypeReference. The example can be further simplified though, replacing builder.build().encode().toUri() with builder.toUriString().
– mirzmaster
...
Android - get children inside a View?
... be much faster. This way, a method is called only once per view group and then on subsequent runs a local variable is used.
– ArtOfWarfare
Nov 20 '12 at 14:08
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