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Inserting multiple rows in mysql
... include multiple lists of column values, each enclosed within parentheses and separated by commas.
Example:
INSERT INTO tbl_name
(a,b,c)
VALUES
(1,2,3),
(4,5,6),
(7,8,9);
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Selecting the first “n” items with jQuery
...ave a large result set to start with. Unfortunately, when evaluating ":lt" and other positional selectors, jQuery loops through the entire set, even if it's just getting the first element. I've written more about this on my blog here: spadgos.com/?p=51
– nickf
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What is the correct way to get a subarray in Scala?
I am trying to get a subarray in scala, and I am a little confused on what the proper way of doing it is. What I would like the most would be something like how you can do it in python:
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Capistrano - clean up old releases
Usually when using capistrano, I will go and manually delete old releases from a deployed application. I understand that you can run cap deploy:cleanup but that still leaves 5 releases. Is this it's intended purpose? Is there another way to cleanup old releases to just 1 previous deploy?
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Breaking loop when “warnings()” appear in R
... I am running a loop to process multiple files. My matrices are enormous and therefore I often run out of memory if I am not careful.
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How can I know which radio button is selected via jQuery?
I have two radio buttons and want to post the value of the selected one.
How can I get the value with jQuery?
37 Answers
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SQL Server: converting UniqueIdentifier to string in a case statement
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What is the basic difference between cast() and convert() ?
– R K Sharma
Dec 4 '15 at 9:53
5
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Check if option is selected with jQuery, if not select a default
... jQuery, how do you check if there is an option selected in a select menu, and if not, assign one of the options as selected.
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List comprehension with if statement
I want to compare 2 iterables and print the items which appear in both iterables.
4 Answers
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Rails: redirect_to with :error, but flash[:error] empty
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As stated in the Rails API only :notice and :alert are by default applied as a flash hash value. If you need to set the :error value, you can do it like this:
redirect_to show_path, flash: { error: "Insufficient rights!" }
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