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Difference between Activity and FragmentActivity
I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app.
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what is the difference between GROUP BY and ORDER BY in sql
...i think the second example on the page in the link is sufficient to understand the difference tutorialspoint.com/sql/sql-group-by.htm
– nishantbhardwaj2002
Apr 29 '15 at 9:57
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MSBUILD : error MSB1008: Only one project can be specified
...ked? I discovered this when viewing a coworkers build for another solution and noticed it did not have quotes.
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Why do you need ./ (dot-slash) before executable or script name to run it in bash?
...Unix, usually, the current directory is not in $PATH.
When you type a command the shell looks up a list of directories, as specified by the PATH variable. The current directory is not in that list.
The reason for not having the current directory on that list is security.
Let's say you're root and...
What's the difference of ContentType and MimeType
...e same) thing? Is
"Content-Type" just a name used in
browser requests, and with very little
use outside it?
What's the main difference between the
each one, and when is right to call
something mimetype as opposed to
content-type ? Am i being pitty and
grammar nazi?
The reason is...
Debug.Assert vs Exception Throwing
I've read plenty of articles (and a couple of other similar questions that were posted on StackOverflow) about how and when to use assertions, and I understood them well. But still, I don't understand what kind of motivation should drive me to use Debug.Assert instead of throwing a plain excep...
Haskell error parse error on input `='
I'm new to Haskell and after starting ghci I tried:
4 Answers
4
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How to get the separate digits of an int number?
...you the numbers in reverse order. You will need to push them onto a stack and pop them off in reverse order.
Code to print the numbers in the correct order:
int number; // = and int
LinkedList<Integer> stack = new LinkedList<Integer>();
while (number > 0) {
stack.push( number %...
Postgresql: password authentication failed for user “postgres”
I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...
How to copy a collection from one database to another in MongoDB
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At the moment there is no command in MongoDB that would do this. Please note the JIRA ticket with related feature request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['<c...