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When to use leading slash in gitignore
I'm trying to understand more clearly the .gitignore syntax, and in particular as far as https://github.com/github/gitignore gitignores are concerned.
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PostgreSQL: insert from another table
I'm trying to insert data to a table from another table and the tables have only one column in common. The problem is, that the TABLE1 has columns that won't accept null values so I can't leave them empty and I can't get them from the TABLE2.
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How to invert a grep expression
The following grep expression successfully lists all the .exe and .html files in the current directory and sub directories.
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Ruby get object keys as array
I am new to Ruby, if I have an object like this
4 Answers
4
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PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
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how to use XPath with XDocument?
There is a similar question, but it seems that the solution didn't work out in my case: Weirdness with XDocument, XPath and namespaces
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What is maximum query size for mysql?
What is maximum query size for mysql? Some times the server stops working when I fire a too long query.
2 Answers
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Split delimited strings in a column and insert as new rows [duplicate]
I have a data frame as follow:
6 Answers
6
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Change SQLite default settings
we know when type .mode column let me see tables like column
And .headers on , we can see the header of tables.
But I want to know if there is any way make the two default settings?
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