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Why do Java programmers like to name a variable “clazz”? [closed]
...nvention ? I think 'clazz' is not even an English word , has no meaning at all , how can so many programmers name a wrong name coincidentally ?
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Should I use 'has_key()' or 'in' on Python dicts?
...y() is specific to Python 2 dictionaries. in / __contains__ is the correct API to use; for those containers where a full scan is unavoidable there is no has_key() method anyway, and if there is a O(1) approach then that'll be use-case specific and so up to the developer to pick the right data type f...
Separate REST JSON API server and client? [closed]
...nts: front-end websites, smartphone apps, backend webservices, etc. So I really want a JSON REST API for each one.
18 Answe...
How to stop /#/ in browser with react-router?
... Note that history is a stand-alone package you'll need to install.
– Jan Klimo
Oct 24 '15 at 15:01
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What is the difference between Cygwin and MinGW?
...Unix-based applications to Windows much easier, by emulating many of the small details that Unix-based operating systems provide, and are documented by the POSIX standards. Your application can use Unix feature such as pipes, Unix-style file and directory access, and so forth, and it can be compile...
Right HTTP status code to wrong input
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We had the same problem when making our API as well. We were looking for an HTTP status code equivalent to an InvalidArgumentException. After reading the source article below, we ended up using 422 Unprocessable Entity which states:
The 422 (Unprocessable Entit...
Adding :default => true to boolean in existing Rails column
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change_column is a method of ActiveRecord::Migration, so you can't call it like that in the console.
If you want to add a default value for this column, create a new migration:
rails g migration add_default_value_to_show_attribute
Then in the migration created:
# That's the more generic way t...
getSupportActionBar from inside of Fragment ActionBarCompat
...ctivity().
You'll need to cast it to an ActionBarActivity then make the call to getSupportActionBar().
((AppCompatActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.subtitle);
You do need the cast. It's not poor design, it's backwards compatibility.
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File to byte[] in Java
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@matteo: any? See other answers, e.g. Files.readAllBytes(). Simple, no dependency.
– ymajoros
Apr 24 '14 at 21:13
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What is uintptr_t data type
...signed integer type that is capable of storing a data pointer. Which typically means that it's the same size as a pointer.
It is optionally defined in C++11 and later standards.
A common reason to want an integer type that can hold an architecture's pointer type is to perform integer-specific ope...