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List of lists changes reflected across sublists unexpectedly
...at you create a new list at each position. One way to do it is
[[1]*4 for _ in range(3)]
which will reevaluate [1]*4 each time instead of evaluating it once and making 3 references to 1 list.
You might wonder why * can't make independent objects the way the list comprehension does. That's beca...
Padding or margin value in pixels as integer using jQuery
...0.
– Alexander Bird
Mar 1 '12 at 20:32
5
Be aware that parseInt can return NaN (which then in tur...
Google Maps: how to get country, state/province/region, city given a lat/long value?
...se
Response:
{
"status": "OK",
"results": [ {
"types": [ "street_address" ],
"formatted_address": "275-291 Bedford Ave, Brooklyn, NY 11211, USA",
"address_components": [ {
"long_name": "275-291",
"short_name": "275-291",
"types": [ "street_number" ]
}, {
...
How to prevent ifelse() from turning Date objects into numeric objects
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answered Aug 7 '17 at 11:32
ananthapadmanabhan sananthapadmanabhan s
7111 silver badge11 bronze badge
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How to add an integer to each element in a list?
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new_list = [x+1 for x in my_list]
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Generate JSON string from NSDictionary in iOS
...ke easier to read).
@interface NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(BOOL) prettyPrint;
@end
.
@implementation NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(BOOL) prettyPrint {
NSError *error;
NSData *jsonData = [NSJSONSerial...
Rspec doesn't see my model Class. uninitialized constant error
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Your spec_helper file is missing some important commands. Specifically, it's not including config/environment and initializing rspec-rails.
You can add the following lines to the start of your spec/spec_helper.rb file
ENV["RAILS_EN...
Is the SQL WHERE clause short-circuit evaluated?
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answered Apr 25 '09 at 16:32
tetranztetranz
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How do I look inside a Python object?
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object.__dict__
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Delete duplicate rows from small table
I have a table in a PostgreSQL 8.3.8 database, which has no keys/constraints on it, and has multiple rows with exactly the same values.
...