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Why doesn't os.path.join() work in this case?
... some kind of a reference point like
os.environ['HOME'] or os.path.dirname(__file__).
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How to replace multiple substrings of a string?
I would like to use the .replace function to replace multiple strings.
23 Answers
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Coding in Other (Spoken) Languages
...nce I don't speak a word of that language, stuff could have been called var_123, var_562 or func_333 as well (and probably it would have been easier for me to remember the names or at least to have a chance of spelling them right without copying and pasting). Since this was a short, self-contained s...
How do I create a URL shortener?
... your system. Something simple like f(checksum(id) % (62^2)) + f(id) = url_id
– koblas
Sep 4 '10 at 13:53
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grant remote access of MySQL database from any IP address
I am aware of this command:
21 Answers
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How do I directly modify a Google Chrome Extension File? (.CRX)
...sathishsathish
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How to merge two arrays in JavaScript and de-duplicate items
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With Underscore.js or Lo-Dash you can do:
console.log(_.union([1, 2, 3], [101, 2, 1, 10], [2, 1]));
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js"></script>
http://underscorejs.org/#union
http://lodash.com/docs#union
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Combine two ActiveRecord::Relation objects
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If you want to combine using AND (intersection), use merge:
first_name_relation.merge(last_name_relation)
If you want to combine using OR (union), use or†:
first_name_relation.or(last_name_relation)
† Only in ActiveRecord 5+; for 4.2 install the where-or backport.
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How to sort a HashMap in Java [duplicate]
How are we able to sort a HashMap<key, ArrayList> ?
17 Answers
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How to determine MIME type of file in android?
...ring mimeType = null;
if (uri.getScheme().equals(ContentResolver.SCHEME_CONTENT)) {
ContentResolver cr = getAppContext().getContentResolver();
mimeType = cr.getType(uri);
} else {
String fileExtension = MimeTypeMap.getFileExtensionFromUrl(uri
.toString...