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“use database_name” command in PostgreSQL
... testdatabase
At this point you might see the following output
You are now connected to database "testdatabase" as user "user_name".
testdatabase=#
Notice how the prompt changes. Cheers, have just been hustling looking for this too, too little information on postgreSQL compared to MySQL and th...
Clear form fields with jQuery
...e type=text on your markup. That may be obvious, but it wasn't to me, just now :-)
– Elbin
Oct 22 '13 at 14:34
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Remove an item from a dictionary when its key is unknown
... remove an item from a dictionary by value, i.e. when the item's key is unknown? Here's a simple approach:
10 Answers
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Print “hello world” every X seconds
...r Just wondering whether OP really got his task done with this ;) Anyways, now I would prefer to use ExecutorService for these tasks. That is really a big improvement over traditional Thread API. Just didn't used it at the time of answering.
– Rohit Jain
Feb 14...
Java equivalents of C# String.Format() and String.Join()
I know this is a bit of a newbie question, but are there equivalents to C#'s string operations in Java?
16 Answers
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Node.js or Erlang
...n under Cygwin for Windows support.
Looks good though.
Edit
Node.js now has native support for Windows.
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CSS: transition opacity on mouse-out?
...ve elements hanging outside the area. Doing so, made large blocks of text now hang outside the content area during animation as well.
The solution was to start the main text elements with an opacity of 0 and use addClass to inject and transition to an opacity of 1. Then removeClass when clicked o...
How many bits or bytes are there in a character? [closed]
...ay, when NT was started a wchar_t was enough to avoid surrogate pairs, but now that it's UTF-16 even wchar_t strings can have variable-length characters, so on Windows a Unicode character in can take from 2 to 4 bytes (1 or 2 wchar_t).
– Matteo Italia
Jan 31 '1...
What is Dispatcher Servlet in Spring?
...me() {
return somestuff;
}
The Dispatcher servlet is the bit that "knows" to call that method when a browser requests the page, and to combine its results with the matching JSP file to make an html document.
How it accomplishes this varies widely with configuration and Spring version.
There...
Circular (or cyclic) imports in Python
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As of now, the only reference to circular imports in python3 "What's new?" pages is in the 3.5 one. It says "Circular imports involving relative imports are now supported". @meawoppl have you found anything else what is not listed...