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warning: refname 'HEAD' is ambiguous
I am new to Git and I seem to have one branch too many if I execute the following command:
5 Answers
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Copy a table from one database to another in Postgres
...get database:
pg_dump -t table_to_copy source_db | psql target_db
Note: If the other database already has the table set up, you should use the -a flag to import data only, else you may see weird errors like "Out of memory":
pg_dump -a -t my_table my_db | psql target_db
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Python dict how to create key or append an element to key?
...default(...)
D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D
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What is the correct value for the disabled attribute?
...e true value, and the absence of the attribute represents the false value.
If the attribute is present, its value must either be the empty string or a value that is an ASCII case-insensitive match for the attribute's canonical name, with no leading or trailing whitespace.
Conclusion:
The following ...
How can I assign the output of a function to a variable using bash?
... I discovered that newlines were being stripped when I did "echo $VAR". If instead I quoted $VAR, it preserved the newlines.
– Brent
Nov 27 '09 at 17:58
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How to check if my string is equal to null?
I want to perform some action ONLY IF my string has a meaningful value. So, I tried this.
27 Answers
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Create a completed Task
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@DanielLobo you might get an answer if you explain what your objection is
– user2023861
Jul 23 '19 at 19:47
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Passing arguments forward to another javascript function
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but using apply like this might screw up the scope of b (if it's some inner function of an object for example)
– vsync
May 25 '13 at 22:47
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
... for the normal display and another one for the UISearchBar's table view.
If you only use one FRC (NSFetchedResultsController) then the original UITableView (not the search table view that is active while searching) will possibly have callbacks called while you are searching and try to incorrectly ...
How to generate a random number between a and b in Ruby?
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This is a really bad idea, especially if your a and b are of unknown sizes. Try (100000000000000000..100000000000000).to_a.sample and see what I mean : )
– pixelearth
Sep 16 '11 at 22:06
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