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Multithreading: What is the point of more threads than cores?
...ou probably have several hundred threads all running on your machine right now. You won't ever get a situation where a thread runs without having time 'stolen' from it. (Well, you might if it's running real-time, if you're using a realtime OS or, even on Windows, use a real-time thread priority. ...
why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
... Escaping the format string using backslash does also work: DateTime.Now.ToString("dd\\/MM\\/yyyy");
– TomB
Jan 30 '15 at 8:42
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Run PostgreSQL queries from the command line
I inserted a data into a table....I wanna see now whole table with rows and columns and data. How I can display it through command?
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Summarizing multiple columns with dplyr? [duplicate]
...x. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
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PadLeft function in T-SQL
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SQL Server now supports the FORMAT function starting from version 2012, so:
SELECT FORMAT(id, '0000') FROM TableA
will do the trick.
If your id or column is in a varchar and represents a number you convert first:
SELECT FORMAT(CON...
What is object slicing?
...nk casting back (since not a pointer arithmetic) will work , A a = b; a is now object of type A which has copy of B::foo. It will be mistake to cast it back now i think.
– user72424
Aug 12 '11 at 12:27
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Move existing, uncommitted work to a new branch in Git
... you have been making commits on your main branch while you coded, but you now want to move those commits to a different branch, this is a quick way:
Copy your current history onto a new branch, bringing along any uncommitted changes too:
git checkout -b <new-feature-branch>
Now force the ...
How can I reliably get an object's address when operator& is overloaded?
...regular member functions of a template class, thanks for pointing it out. (Now I just need to figure out what is the use of the overload, any tip ?)
– Matthieu M.
Jun 27 '11 at 16:50
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How to send a message to a particular client with socket.io
I'm starting with socket.io + node.js, I know how to send a message locally and to broadcast socket.broadcast.emit() function:- all the connected clients receive the same message.
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The permissions granted to user ' are insufficient for performing this operation. (rsAccessDenied)"}
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I know it's for a long time ago but you (or any other new comers) can resolve this issue by
Add the [Domain\User] to Administrator, IISUser, SQLReportingUser groups
Delete Encryption Key in SSRS configuration tools
ReRun the D...