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What is the difference between print and puts?
... There is another thing ... extend the array class and override the to_s method. puts doesn't use the new to_s for an object of your new class while print does
– kapv89
Oct 28 '12 at 18:30
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Activity has leaked ServiceConnection @438030a8 that was original
...hich handles a telnet connection. The apps need to bind to this service in order to send/receive telnet messages.
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Windows path in Python
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Find difference between timestamps in seconds in PostgreSQL
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Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
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How to get names of enum entries?
...ndbook/release-notes/typescript-2-4.html
This allows you to write:
enum Order {
How do I change the value of a global variable inside of a function
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Uncaught SyntaxError: Unexpected token with JSON.parse
...ect.
Your code turns the object into a string (by calling .toString()) in order to try to parse it as JSON text.
The default .toString() returns "[object Object]", which is not valid JSON; hence the error.
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Understanding Spliterator, Collector and Stream in Java 8
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How to set the first option on a select box using jQuery?
...our comment was helpful, but 1) The option with value="" can appear in any order. 2) An option without a value attribute i.e. <option></option> is not the same as an option with an empty-string value attribute i.e. <option value=""></option>, and you made it clear we need the...
How to get the last character of a string in a shell?
...n case you have a matching filename):
sh lash_ch.sh 'abcde*'
Also see the order of expansions in the bash reference manual. Variables are expanded before the filename expansion.
To get the last character you should just use -1 as the index since the negative indices count from the end of the string...