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How do I correctly clone a JavaScript object?
...ded to Object.prototype, or other intermediate prototypes, that you don't know about? In that case, you will copy attributes you shouldn't, so you need to detect unforeseen, non-local attributes with the hasOwnProperty method.
In addition to non-enumerable attributes, you'll encounter a tougher pro...
Compare object instances for equality by their attributes
...lemented
return self.foo == other.foo and self.bar == other.bar
Now it outputs:
>>> x == y
True
Note that implementing __eq__ will automatically make instances of your class unhashable, which means they can't be stored in sets and dicts. If you're not modelling an immutable ty...
How to convert ActiveRecord results into an array of hashes
...rds = TaskStoreStatus.all
tasks_records = tasks_records.as_json
# You can now add new records and return the result as json by calling `to_json`
tasks_records << TaskStoreStatus.last.as_json
tasks_records << { :task_id => 10, :store_name => "Koramanagala", :store_region => "In...
Can Vim highlight matching HTML tags like Notepad++?
...n vim.org.
You can get it here on github.
Hope it works for you. Let me know if you have any problems.
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How useful/important is REST HATEOAS ( maturity level 3)?
...HOWEVER, billions of people experience the benefits of REST today. Do you know what the "checkout" URL is at Amazon? I don't. Yet, I can checkout every day. Has that URL changed? I dunno, I don't care.
Do you know does care? Anyone who's written a screen scraped Amazon automated client. Someone wh...
How do I create a unique constraint that also allows nulls?
...won't let me store NULLs in a unique column in the first place. If anyone knows a solution for that, please post it here
– dotNET
Feb 2 '15 at 22:01
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How to save all the variables in the current python session?
...
I know this answer is very old byt when I do this I have the following error: PicklingError: Can't pickle <built-in function raw_input>: it's not the same object as __builtin__.raw_input I just have 2 variables declared in...
How to loop through all enum values in C#? [duplicate]
...nt that brings me back to my old answer, and I think I'd do it differently now. These days I'd write:
private static IEnumerable<T> GetEnumValues<T>()
{
// Can't use type constraints on value types, so have to do check like this
if (typeof(T).BaseType != typeof(Enum))
{
...
How can I exclude directories from grep -R?
...gt;/dev/null \;
SOLUTION 2 (using the --exclude-dir option of grep):
You know this solution already, but I add it since it's the most recent and efficient solution. Note this is a less portable solution but more human-readable.
grep -R --exclude-dir=node_modules 'some pattern' /path/to/search
To e...
Should I use char** argv or char* argv[]?
... array, but instead it will be a pointer to the respective element type.
Now, if you try to pass an array, what is passed instead is a pointer to the arrays' first element.
Excursion: Functions as parameters
For completion, and because I think this will help you better understand the matter, le...