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Are Javascript arrays sparse?
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How exactly JavaScript arrays are implemented differs from browser to browser, but they generally fall back to a sparse implementation - most likely the same one used for property access of regular objects - if using an actual array would be inefficient.
You'll have to ask some...
Node JS Error: ENOENT
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He explains it exactly right. /tmp is different from ./tmp. /tmp is not in the current directory, it's in the root directory.
– 3ocene
Sep 7 '16 at 22:33
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In what order do static/instance initializer blocks in Java run?
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Good one . Straight from the creators
– human.js
Jun 20 '12 at 4:26
1
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PHP ORMs: Doctrine vs. Propel
...JoinFoobar($c);
// Doctrine
$items = Doctrine_Query::create()
->from('Example e')
->leftJoin('e.Foobar')
->where('e.id = ?', 20)
->execute();
?>
(Doctrine's implementation is much more intuitive to me).
Also, I really prefer the way you manage relations...
Set up git to pull and push all branches
...d to use second last (i.e. push master first) command while cloning a repo from Atlassian Stash to AWS CodeCommit (blank repo). I am not sure the reason, but after pushing (git push new-origin --mirror) default branch was referring to some other branch than master.
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In Clojure 1.3, How to read and write a file
... Demanding the next element of the lazy seq results into a line being read from the reader.
Note that from Clojure 1.7 onwards, you can also use transducers for reading text files.
Number 3: how to write to a new file.
(use 'clojure.java.io)
(with-open [wrtr (writer "/tmp/test.txt")]
(.write wr...
Script to get the HTTP status code of a list of urls?
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I don't know why script from above andswer always get me 000 in the output, but when I run command only once without loop it works...
– Karol F
Aug 9 '16 at 7:08
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Why do I need to override the equals and hashCode methods in Java?
... the general contract for Object.hashCode(), which will prevent your class from functioning properly in conjunction with all hash-based collections, including HashMap, HashSet, and Hashtable.
Let's try to understand it with an example of what would happen if we override equals() without overriding ...
how to release localhost from Error: listen EADDRINUSE
...hing has happened to prevent the previous instantiation of my node process from shutting down properly. It was working when I used node app.js and stopped it with Ctrl+C, but started having the EADDRINUSE issue after the first time I used npm start, so it seems the real solution would be to use some...
How to copy files across computers using SSH and MAC OS X Terminal [closed]
... ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
3 Answers
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