Dictionary text file
What about /usr/share/dict/words on any Unix system? How many words are we talking about? Like OED-Unabridged?
dictionary
How to find if a given key exists in a C++ std::map
Use map::find
Python – How to fix “ValueError: not enough values to unpack (expected 2, got 1)”
How you should debug your code Please keep reading the remaining part if you want to know how to traverse a dict object properly. Different ways to traverse a dict object Python 3.x The following segments demonstrate how to traverse a dict in Python 3.x. Iterate the set of keys Iterate the set of key-value-pairs Iterate the set of values Python 2.x … Read more
Map like structure in C: use int and struct to determine a value
You’ll probably have to make your own structure. The C Programming Language by Kernighan and Ritchie has an example of making an associate map in c, and what I’ll detail below is based on what I remember from that. Basically you’ll need a struct Map that contains struct Key and struct Value. struct Key contains elements that determine the value (in your case 2 … Read more
Angular map. What is it?
I am learning Angular 6 and I am puzzled with constructions like a: or like a: I am run through the couples of book like a “The_Complete_Book_on_Angular_6” or “Pro Angular 6” (Adam Freeman) but there are no simple explanations there. Google kept silence about that too. Can someone give the right and good tutorial or may … Read more
C++ Loop through Map
You can achieve this like following : With C++11 ( and onwards ), With C++17 ( and onwards ),
When is del useful in Python?
Firstly, you can del other things besides local variables Both of which should be clearly useful. Secondly, using del on a local variable makes the intent clearer. Compare: to I know in the case of del foo that the intent is to remove the variable from scope. It’s not clear that foo = None is doing that. If somebody just assigned foo … Read more
How do I merge dictionaries together in Python?
You can use the .update() method if you don’t need the original d2 any more: Update the dictionary with the key/value pairs from other, overwriting existing keys. Return None. E.g.: Update: Of course you can copy the dictionary first in order to create a new merged one. This might or might not be necessary. In … Read more
I’m getting Key error in python
A KeyError generally means the key doesn’t exist. So, are you sure the path key exists? From the official python docs: exception KeyError Raised when a mapping (dictionary) key is not found in the set of existing keys. For example: So, try to print the content of meta_entry and check whether path exists or not. Or, you can do: