Anagrams finder in javascript
Javascript objects are excellent for this purpose, since they are essentially key/value stores:
comparison
Comparing chars in Java
If your input is a character and the characters you are checking against are mostly consecutive you could try this: However if your input is a string a more compact approach (but slower) is to use a regular expression with a character class: If you have a character you’ll first need to convert it to … Read more
Use ‘=’ or LIKE to compare strings in SQL?
To see the performance difference, try this: Comparing strings with ‘=’ is much faster.
Comparing two dictionaries and checking how many (key, value) pairs are equal
If you want to know how many values match in both the dictionaries, you should have said that 🙂 Maybe something like this:
How do I do a case-insensitive string comparison?
Assuming ASCII strings: As of Python 3.3, casefold() is a better alternative: If you want a more comprehensive solution that handles more complex unicode comparisons, see other answers.
Check if two unordered lists are equal
Python has a built-in datatype for an unordered collection of (hashable) things, called a set. If you convert both lists to sets, the comparison will be unordered. Documentation on set EDIT: @mdwhatcott points out that you want to check for duplicates. set ignores these, so you need a similar data structure that also keeps track of the number of … Read more
How to compare dates in Java?
Date has before and after methods and can be compared to each other as follows: For an inclusive comparison: You could also give Joda-Time a go, but note that: Joda-Time is the de facto standard date and time library for Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310). Back-ports are available for Java 6 and 7 as well as Android.
Compare dates in MySQL
You can try below query,
Can’t compare naive and aware datetime.now() <= challenge.datetime_end
By default, the datetime object is naive in Python, so you need to make both of them either naive or aware datetime objects. This can be done using: Note: This would raise a ValueError if tzinfo is already set. If you are not sure about that, just use BTW, you could format a UNIX timestamp in datetime.datetime object with timezone info as following
Char Comparison in C
A char variable is actually an 8-bit integral value. It will have values from 0 to 255. These are almost always ASCII codes, but other encodings are allowed. 0 stands for the C-null character, and 255 stands for an empty symbol. So, when you write the following assignment: It is the same thing as this on an ASCII system. So, you can compare two char variables using … Read more