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Converting a string to JSON object
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answered Jun 11 '12 at 8:51
KshitijKshitij
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How to convert array values to lowercase in PHP?
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answered Jun 13 '12 at 5:03
ariefbayuariefbayu
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How to percent-encode URL parameters in Python?
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Python 2
From the docs:
urllib.quote(string[, safe])
Replace special characters in string
using the %xx escape. Letters, digits,
and the characters '_.-' are never
quoted. By default, this function is
intended for quo...
How to insert an item at the beginning of an array in PHP?
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284
Use array_unshift($array, $item);
$arr = array('item2', 'item3', 'item4');
array_unshift($arr...
Key existence check in HashMap
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523
Do you ever store a null value? If not, you can just do:
Foo value = map.get(key);
if (value !...
Why is it OK to return a 'vector' from a function?
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answered Mar 26 '14 at 8:22
πάντα ῥεῖπάντα ῥεῖ
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What is the most efficient way to concatenate N arrays?
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20 Answers
20
Active
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How to check if a number is a power of 2
Today I needed a simple algorithm for checking if a number is a power of 2.
25 Answers
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Difference between Apache CXF and Axis
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229
Keep in mind, I'm completely biased (PMC Chair of CXF), but my thoughts:
From a strictly "can...
Jackson databind enum case insensitive
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In version 2.4.0 you can register a custom serializer for all the Enum types (link to the github issue). Also you can replace the standard Enum deserializer on your own that will be aware about the Enum type. Here is an example:
public...