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How do I list all files of a directory?
How can I list all files of a directory in Python and add them to a list ?
21 Answers
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SQL RANK() versus ROW_NUMBER()
...bout the differences between these. Running the following SQL gets me two idential result sets. Can someone please explain the differences?
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
...n I just ask why 'Now the correct way is not to catch this exception', considering if you're using queryForObject? What would be wrong with catching an exception in the case of queryForObject? Thanks :)
– Michael Stokes
Dec 12 '16 at 3:49
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Trigger a button click with JavaScript on the Enter key in a text box
...t to trigger the button's click event when the Enter key is pressed inside the text box?
30 Answers
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Rename a file using Java
Can we rename a file say test.txt to test1.txt ?
14 Answers
14
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Drop a temporary table if it exists
... IF EXISTS ##CLIENTS_KEYWORD
On previous versions you can use
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
/*Then it exists*/
DROP TABLE ##CLIENTS_KEYWORD
CREATE TABLE ##CLIENTS_KEYWORD
(
client_id INT
)
You could also consider truncating the table instead rather than dropping ...
how to add records to has_many :through association in rails
...mer.new(params[:customer])
@cust.houses << House.find(params[:house_id])
Or when creating a new house for a customer:
@cust = Customer.new(params[:customer])
@cust.houses.create(params[:house])
You can also add via ids:
@cust.house_ids << House.find(params[:house_id])
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How to append one file to another in Linux from the shell?
I have two files: file1 and file2 . How do I append the contents of file2 to file1 so that contents of file1 persist the process?
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Rails raw SQL example
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side note: records_array will be of different types for different database adapters. If you're using PG, it will be an instance of PG::Result, not Array.
– tybro0103
Jan 14 '14 at 17:28
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How to read all files in a folder from Java?
How to read all the files in a folder through Java?
31 Answers
31
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