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How can I improve my paw detection?
...h paw with [data[x] for x in data_slices]. Instead, we'll draw a rectangle based on these slices, which takes slightly more work.
The two animations below show your "Overlapping Paws" and "Grouped Paws" example data. This method seems to be working perfectly. (And for whatever it's worth, this ...
How to wait for 2 seconds?
...d in other answers, all of the following will work for the standard string-based syntax.
WAITFOR DELAY '02:00' --Two hours
WAITFOR DELAY '00:02' --Two minutes
WAITFOR DELAY '00:00:02' --Two seconds
WAITFOR DELAY '00:00:00.200' --Two tenths of a seconds
There is also an alternative method of passi...
find without recursion
...
I think you'll get what you want with the -maxdepth 1 option, based on your current command structure. If not, you can try looking at the man page for find.
Relevant entry (for convenience's sake):
-maxdepth levels
Descend at most levels (a non-negative integer) levels of dire...
MongoDB inserts float when trying to insert integer
...
A slightly simpler syntax (in Robomongo at least) worked for me:
db.database.save({ Year : NumberInt(2015) });
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Excluding files/directories from Gulp task
...
I needed to use: gulp.src([/*file globs*/], {base:"."}) in order to get the glob patterns to work correctly.
– Scott
Jun 24 '15 at 5:07
1
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Override ActiveRecord attribute methods
...m/chriseppstein/has_overrides.git
To use:
class Post < ActiveRecord::Base
has_overrides
module Overrides
# put your getter and setter overrides in this module.
def title=(t)
super(t.titleize)
end
end
end
Once you've done that things just work:
$ ./script/console
L...
How should one use std::optional?
...torage_t { unsigned char dummy_; T value_; ... } Line 289: struct optional_base { bool init_; storage_t<T> storage_; ... } How is that not "a T and a bool"? I completely agree the implementation is very tricky and nontrivial, but conceptually and concretely the type is a T and a bool. "The nai...
UIView with rounded corners and drop shadow?
...at to do?
Solution
Use separate views for the shadow and the border. The base view is transparent and has the shadow. The border view clips any other subcontent that it has to its borders.
// add the shadow to the base view
baseView.backgroundColor = UIColor.clear
baseView.layer.shadowColor = UIC...
Rails has_many with alias name
... be able to refer to them as tasks as well:
class User < ActiveRecord::Base
alias_attribute :jobs, :tasks
has_many :tasks
end
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How to define @Value as optional
... Update: A small hello-world type spring non-boot application based on annotations has working :default handling, Properties are then also programatically accessible from the Environment if injected. Must be some extra configuration/customization causing this.
– St...