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Why is it slower to iterate over a small string than a small list?
I was playing around with timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time.
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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
What is the difference between Unidirectional and Bidirectional associations?
4 Answers
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deny direct access to a folder and file by htaccess
...st to the file present in that folder?
– Chaitanya Chandurkar
Apr 2 '13 at 13:22
16
@ChaitanyaCha...
What do these words mean in Git: Repository, fork, branch, clone, track?
...oject (take the source from someone's repository at certain point in time, and apply your own diverging changes to it), you would clone the remote repository to create a copy of it, then do your own work in your local repository and commit changes.
Within a repository you have branches, which are e...
Can iterators be reset in Python?
Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
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Create array of regex matches
...an the below if you can assume Java >= 9)
You need to create a matcher and use that to iteratively find matches.
import java.util.regex.Matcher;
import java.util.regex.Pattern;
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List<String> allMatches = new ArrayList<String>();
Matcher m = Pattern.compile("your regular ex...
Track a new remote branch created on GitHub
... Now, a collaborator of mine has created a new branch in the same project, and I want to do the following accordingly:
4 An...
C# Double - ToString() formatting with two decimal places but no rounding
...te(myDoubleValue * 100) / 100;
For instance:
If the number is 50.947563 and you use the following, the following will happen:
- Math.Truncate(50.947563 * 100) / 100;
- Math.Truncate(5094.7563) / 100;
- 5094 / 100
- 50.94
And there's your answer truncated, now to format the string simply do the...
How do I have an enum bound combobox with custom string formatting for enum values?
...much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and use reflection to read attributes on your enum fields.
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Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
Android offers a variety of interfaces all related to text and strings:
Spanned , SpannedString , Spannable , SpannableString and CharSequence .
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