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Converting between datetime, Timestamp and datetime64
...tetime.utcnow()
>>> dt
datetime.datetime(2012, 12, 4, 19, 51, 25, 362455)
>>> dt64 = np.datetime64(dt)
>>> ts = (dt64 - np.datetime64('1970-01-01T00:00:00Z')) / np.timedelta64(1, 's')
>>> ts
1354650685.3624549
>>> datetime.utcfromtimestamp(ts)
datetime.da...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...hen you are dealing with different file systems such as Local FS, (S)FTP, S3, and others
hadoop dfs <args>
dfs is very specific to HDFS. would work for operation relates to HDFS. This has been deprecated and we should use hdfs dfs instead.
hdfs dfs <args>
same as 2nd i.e wo...
Change SVN repository URL
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answered Dec 19 '12 at 1:38
JuanalJuanal
3,55422 gold badges1616 silver badges1818 bronze badges
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Performance - Date.now() vs Date.getTime()
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edited Oct 29 '13 at 19:28
kevinji
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ans...
Can the C# interactive window interact with my code?
...sdn.com/Series/…
– John Dhom
Jun 23 '12 at 20:06
25
@JohnDhom Why the downvote? My answers tota...
Does a dot have to be escaped in a character class (square brackets) of a regular expression?
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135
In a character class (square brackets) any character except ^, -, ] or \ is a literal.
This we...
How to use querySelectorAll only for elements that have a specific attribute set?
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3 Answers
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Heroku free account limited?
...e account.
Your application code and its assets (the slug) are limited to 300 MB in total. Your application also has access to the local filesystem, which can serve as an ephemeral scratch space for that specific dyno, and should be able to store at least 1 GB of data.
There is a 2TB/month limit o...
Commit changes to a different branch than the currently checked out branch with subversion
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Superiority of unnamed namespace over static?
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134
You're basically referring to the section §7.3.1.1/2 from the C++03 Standard,
The use of t...