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Difference between timestamps with/without time zone in PostgreSQL
...ly in the docs. The difference arises from what the system can reasonably know about the value:
With a time zone as part of the value, the value can be rendered as a local time in the client.
Without a time zone as part of the value, the obvious default time zone is UTC, so it is rendered for that...
Python assigning multiple variables to same value? list behavior
...t element of a to 1, the first elements of b and c are 1.
If you want to know if two names are naming the same object, use the is operator:
>>> a=b=c=[0,3,5]
>>> a is b
True
You then ask:
what is different from this?
d=e=f=3
e=4
print('f:',f)
print('e:',e)
Here, you'r...
Start / Stop a Windows Service from a non-Administrator user account
...pping a Windows Service from a non-Admin user account, if anyone needs to know.
Primarily, there are two ways in which to Start / Stop a Windows Service.
1. Directly accessing the service through logon Windows user account.
2. Accessing the service through IIS using Network Service account....
Why does auto a=1; compile in C?
...e, Stroustrup comments on this, but I can't find the exact reference right now.)
(*) String handling in B was interesting: you'd use arrays of int and pack multiple characters in each member. B was actually BCPL with different syntax.
...
Node.js check if file exists
...
Anyone reading this now (Node.js v0.12.x) keep in mind that fs.exists and fs.existsSync have also been deprecated. The best way to check file existence is fs.stat, as demoed above.
– Antrikshy
Mar 29 '15 at...
Uninstall Node.JS using Linux command line?
...-waf include/node lib/node lib/pkgconfig/nodejs.pc share/man/man1/node.1
Now the only thing I don't know about is npm and what it has installed. If you install npm again into a custom path that starts off empty, then you can see what it adds and then you will be able to make a list for npm similar...
Postgresql: password authentication failed for user “postgres”
... user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times without this problem. What should I do? And what happens?
...
Why use sprintf function in PHP?
...
This. Now add numbered arguments and translations :]
– Konerak
Apr 23 '12 at 16:57
add a comment
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Remote debugging with Android emulator
...k configuration above, open Putty, go to Connection > SSH > Tunnels. Now add an entry with Source-port: 5556 and Destination: localhost:5554. Repeat the same with Source-port: 5557 and Destination: localhost:5555. Cheers!
– gsbabil
Jul 30 '13 at 16:54
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Linking R and Julia?
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The RJulia R package looks quite good now from R. R CMD check runs without warnings or errors (if julia is properly installed).
Biggest TODO in my view is to get Julia to return named lists which constitute the really basic flexible general data structure in R....