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Why must we define both == and != in C#?
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I can't speak for the language designers, but from what I can reason on, it seems like it was intentional, proper design decision.
Looking at this basic F# code, you can compile this into a working library. This is legal code for F#, and only overloads the equality ope...
Why can't strings be mutable in Java and .NET?
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immutable objects can be shared freely
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Other small points from the same chapter:
Not only can you share immutable objects, but you can share their internals.
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Immutable objects make great building blocks for other objects, whether mutable or immutable.
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UIActionSheet cancel button strange behaviour
... on the "Cancel" button. The target of the button appears to have moved up from where it should be. I can only activate it by clicking somewhere in the middle of the "Cancel" and "Ok" buttons.
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Exiting from python Command Line
To exit from Python command line, I have to type exit(). If I type exit, it says
11 Answers
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How is the fork/join framework better than a thread pool?
...k into N subtasks in the beginning, sending them to a cached thread pool (from Executors ) and waiting for each task to complete? I fail to see how using the fork/join abstraction simplifies the problem or makes the solution more efficient from what we've had for years now.
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How do I do word Stemming or Lemmatization?
...that you have now downloaded the corpus, it works like this:
>>> from nltk.stem.wordnet import WordNetLemmatizer
>>> lmtzr = WordNetLemmatizer()
>>> lmtzr.lemmatize('cars')
'car'
>>> lmtzr.lemmatize('feet')
'foot'
>>> lmtzr.lemmatize('people')
'people'
&...
How can I open Windows Explorer to a certain directory from within a WPF app?
...ing lpDirectory,
ShowCommands nShowCmd);
}
The declarations come from the pinvoke.net website.
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leiningen - how to add dependencies for local jars?
...project. Is there a way to modify project.clj to tell it to pick some jars from local directories?
11 Answers
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psql: FATAL: Ident authentication failed for user “postgres”
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this one here worked for me. Change from peer to md5 was enough.
– Jonatas CD
Aug 20 '15 at 5:01
1
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UITableViewCell, show delete button on swipe
...h) {
if editingStyle == .delete {
// remove the item from the data model
animals.remove(at: indexPath.row)
// delete the table view row
tableView.deleteRows(at: [indexPath], with: .fade)
} else if editingStyle == .insert {
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