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Bash command to sum a column of numbers [duplicate]
... With bc -l you can even add up float numbers. With cut you can select columns from the input: cat input.txt | cut -d ' ' -f 8 | paste -sd+ | bc -l will add all float numbers in column 8 of the input (space being the field separator).
– Arne
Sep 24 '...
How to update two tables in one statement in SQL Server 2005?
... by GROUP BY, HAVING, or DISTINCT clauses.
TOP is not used anywhere in the select_statement of the view together with the WITH CHECK OPTION clause.
In all honesty, though, you should consider using two different SQL statements within a transaction as per LBushkin's example.
UPDATE: My original ass...
How to implement OnFragmentInteractionListener
...rface
public class HeadlinesFragment extends ListFragment {
OnHeadlineSelectedListener mCallback;
// Container Activity must implement this interface
public interface OnHeadlineSelectedListener {
public void onArticleSelected(int position);
}
@Override
public void ...
Send data from activity to fragment in Android
...rs.
I have some criteria. I have coded for pick the file from intent. and selected file to be passed to particular fragment for further process. i have many fragments having the functionality of File picking. at the time , every time checking the condition and get the fragment and pass the value is...
How to link a folder with an existing Heroku app
... switch to the "deploy" tab and choose the deployment method "Heroku git" (selected by default). Then, you'll get instructions on how to connect an existing folder/git with Heroku.
– handy
Apr 13 at 8:30
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Error TF30063: You are not authorized to access … \DefaultCollection
...didn't work for me. I brought up the "Team Explorer" tab, clicked on the "Select Team Project" and it let me enter my new password.
– stephenbayer
Jun 30 '15 at 17:22
1
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Save Screen (program) output to a file
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The selected answer doesn't work quite well with multiple sessions and doesn't allow to specify a custom log file name.
For multiple screen sessions, this is my formula:
Create a configuration file for each process:
logfile t...
Trying to load jquery into tampermonkey script
...Something like:
// @require http://code.jquery.com/jquery-3.4.1.min.js
(Selecting your desired version from the of list of available versions of jQuery)
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Convert data.frame columns from factors to characters
... can create a logical vector of which columns are factors, and use that to selectively apply factor
f <- sapply(bobf, class) == "factor"
bobc[,f] <- lapply(bobc[,f], factor)
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How to display a Yes/No dialog box on Android?
...played). Because of this, you have to use a callback to handle the user's selection.
Check out this question for a longer discussion between the differences in Android and .NET (as it relates to dialogs):
Dialogs / AlertDialogs: How to "block execution" while dialog is up (.NET-style)
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