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Deleting lines from one file which are in another file
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grep -v -x -f f2 f1 should do the trick.
Explanation:
-v to select non-matching lines
-x to match whole lines only
-f f2 to get patterns from f2
One can instead use grep -F or fgrep to match fixed strings from f2 rather than patterns (in case you want remove the lines in a "what you...
How do I stop a Git commit when VI is on the screen waiting for a commit message?
...s not beginning with a #) for example by holding v and using arrow keys to select it and then pressing Delete. Quit with :wq to apply changes! If you use :q! the changes will be lost and the previous commit message will be used.
When using VIM it's ok in both cases to quit with :cq - VIM will quit...
NSAttributedString add text alignment
... least it displayed the line as centered, but the thing seems to be buggy, selection doesn't work properly with centered text.
– omz
Jul 24 '11 at 0:53
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Do you use source control for your database items? [closed]
... under source control, because otherwise it's a manual process to rollback/selectively apply schema changes to match your code-base branch. If I have three dependent projects, and I switch all of them to a particular branch (e.g. with a particular set of schema migrations), then I should be able to...
inserting characters at the start and end of a string
...want to insert other string somewhere else in existing string, you may use selection method below.
Calling character on second position:
>>> s = "0123456789"
>>> s[2]
'2'
Calling range with start and end position:
>>> s[4:6]
'45'
Calling part of a string before that...
Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS
...o the the following:
Go to your Load Balancer in EC2 and tab "Listeners"
Select "View/edit rules" on your HTTP listener
Delete all rules except for the default one (bottom)
Edit default rule: choose "Redirect to" as an action, leave everything as default and enter "443" as a port.
The same can...
How to calculate a Mod b in Casio fx-991ES calculator
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Go to settings (Shift + Mode).
Press arrow down (to view more settings).
Select ab/c (number 1).
Now do your calculation (in comp mode), like 50 / 3 and you will see 16 2/3, thus, mod is 2. Or try 54 / 7 which is 7 5/7 (mod is 5).
If you don't see any fraction then the mod is 0 like 50 / 5 = 10 ...
Entity Framework - Add Navigation Property Manually
...also make sure that you get your Primary Key definition right (right click select related fields, mark them as EntityKey in the properties). Otherwise you might get 'Multiplicity is not valid in Role in relationship Because the Dependent Role refers to the key properties...'
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TSQL - How to use GO inside of a BEGIN .. END block?
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@gbn @mellamokb: I meant statements like SELECT * <newline> FROM whatever. If I execute every line with its own EXEC statement, that will break. Or are you suggesting I break at every GO statement?
– BlueRaja - Danny Pflughoeft
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Where is git.exe located?
...ere should be something like this:
Right click the row called GitHub, and select "Open file location".
A window should pop up, showing you where the file is.
There you go!
You can do this with any application, not just GitHub.
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