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Get the first key name of a javascript object [duplicate]
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364
In Javascript you can do the following:
Object.keys(ahash)[0];
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Difference between HashMap, LinkedHashMap and TreeMap
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edited Feb 5 '18 at 1:32
Paul Rooney
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Sort a list of tuples by 2nd item (integer value) [duplicate]
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Try using the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple, so we acces...
How do I remove the passphrase for the SSH key without having to create a new key?
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2034
Short answer:
$ ssh-keygen -p
This will then prompt you to enter the keyfile location, the o...
How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
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edited May 1 '12 at 23:43
Gray
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Is it considered bad practice to perform HTTP POST without entity body?
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edited Jul 1 '19 at 11:03
Gerard Bosch
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answered Nov...
How to copy a collection from one database to another in MongoDB
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edited Jan 12 '16 at 14:34
Sergey Brunov
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Comet and jQuery [closed]
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edited Jul 16 '13 at 18:36
answered Sep 26 '08 at 0:17
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What's the difference between “declare class” and “interface” in TypeScript
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edited Jan 15 '13 at 22:39
answered Jan 15 '13 at 22:27
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Why does PostgreSQL perform sequential scan on indexed column?
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231
If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan...