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Rails auto-assigning id that already exists
... am guessing at your sequence name "company_id_seq", table name "company", and column name "id" ... please replace them with the correct ones. You can get the sequence name with SELECT pg_get_serial_sequence('tablename', 'columname'); or look at the table definition with \d tablename.
An alternate ...
How do you get the width and height of a multi-dimensional array?
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
...archable"} in this case the index was in fact a multi-column(searchable_id and searchable_type) and the addition of the namespace in the generated name became very long.
– mkrinblk
Jan 3 '17 at 22:56
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Modifying the “Path to executable” of a windows service
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There is also this approach seen on SuperUser which uses the sc command line instead of modifying the registry:
sc config <service name> binPath= <binary path>
Note: the space after binPath= is important. You can also query the current configuration using:
sc qc <service na...
Creating a JSON response using Django and Python
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One downside: it defaults to ensure_ascii and I didn't find a way to override it yet. Created a new question for this: stackoverflow.com/q/34798703/854477
– int_ua
Jan 14 '16 at 20:07
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How to Execute SQL Server Stored Procedure in SQL Developer?
...ored procedure. I added the JTDS SQL Server JDBC jar file to SQL Developer and added it as a Third Party JDBC driver. I can successfully log in to the SQL Server database. I was given this syntax for running the procedure:
...
How do I make this file.sh executable via double click?
...pt that will execute in Terminal when you open it, name it with the “command” extension, e.g., file.command. By default, these are sent to Terminal, which will execute the file as a shell script.
You will also need to ensure the file is executable, e.g.:
chmod +x file.command
Without this, T...
In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
I have two String s, str1 and str2 . How do I check if str2 is contained within str1 , ignoring case?
6 Answers
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Most efficient way to reverse a numpy array
...g a view into the original array. You can then change the original array, and the view will update to reflect the changes.
Are you re-creating the view more often than you need to? You should be able to do something like this:
arr = np.array(some_sequence)
reversed_arr = arr[::-1]
do_something(...
How do I get an empty array of any size in python?
...t the same obj appears in each element of the array. If it a mutable obj, and you modify one item, all will be changed. ...But, for this example using integers (or any other immutable type), it makes no difference. Or, if you just assign to elements, it is not a problem either. (I mention it bec...