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Conversion from Long to Double in Java
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I did. Parsing a string to do this (now edited out of the answer) will degrade performance by many orders of magnitude. Boxing is less expensive but still worth avoiding, especially in cases like this (using new) where it can't be elided away.
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How to round a number to significant figures in Python
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I have created a package that does this now and is probably easier and more robust than this one. Post Link, Repo Link. Hope this helps!
– William Rusnack
May 23 '17 at 12:09
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Is there an auto increment in sqlite?
...NT NOT NULL,
ADDRESS CHAR(50),
SALARY REAL
);
Now, insert following records into table TB_COMPANY_INFO:
INSERT INTO TB_COMPANY_INFO (NAME,AGE,ADDRESS,SALARY)
VALUES ( 'MANOJ KUMAR', 40, 'Meerut,UP,INDIA', 200000.00 );
Now Select the record
SELECT *FROM TB_COMPANY_INF...
Which websocket library to use with Node.js? [closed]
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Nice list of all available option after death of now.js
– Rahul Prasad
Jun 15 '14 at 22:19
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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
...have excellent libraries like Moment.js, date-fns, and js-joda. But as of now, there is nothing more than Date built-in to the language. Hopefully this will change in the near future.
share
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impr...
WebRTC - scalable live stream broadcasting / multicasting
...s a key negotiation: B transmits securely (encrypted streams) to Janus.
Now, when attendees connect, they connect to Janus, again: WebRTC negotiation, secured keys, etc. From now on, Janus will emit back the streams to each attendees.
This works well because the broadcaster (B) only uploads it...
Replacement for Google Code Search? [closed]
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Open Hub Code Search has now been discontinued, but Sourcegraph lets you search for code and see how other coders are calling/using libraries. (I'm affiliated with Sourcegraph.)
– sqs
Jun 14 '16 at 21:23
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How do I set the time zone of MySQL?
... this answer.
To get the current timezone offset as TIME
SELECT TIMEDIFF(NOW(), UTC_TIMESTAMP);
It will return 02:00:00 if your timezone is +2:00.
To get the current UNIX timestamp:
SELECT UNIX_TIMESTAMP();
SELECT UNIX_TIMESTAMP(NOW());
To get the timestamp column as a UNIX timestamp
SELECT...
How to remove the lines which appear on file B from another file A?
...e a set, where there won't be any duplicate values (keys)
!($0 in a) we're now in the next file(s), in is a contains test, here it's checking whether current line is in the set we populated in the first step from the first file, ! negates the condition. What is missing here is the action, which by...
How do I change the working directory in Python?
... Never call os.chdir() outside of a context manager, unless you think you know what you're doing. (You probably don't.)
– Cecil Curry
May 22 '16 at 5:19
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