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How to run crontab job every week on Sunday
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201
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How to change options of with jQuery?
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You can remove the existing options by using the empty method, and then add your new options:
var option = $('<option></option>').attr("value", "option value").text("Text");
$("#selectId").empty().append(option);
If you have your new options in an object you can:
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What does the “===” operator do in Ruby? [duplicate]
I've seen it used a few times lately but can't figure out what it does. Can anyone illustrate how it works?
3 Answers
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How can I hide an HTML table row so that it takes up no space?
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101
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How to define an alias in fish shell?
I would like to define some aliases in fish. Apparently it should be possible to define them in
9 Answers
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serve current directory from command line
could someone give me a hint, howto serve the current directory from command line with ruby? it would be great, if i can have some system wide configuration (e.g. mime-types) and simply launch it from every directory.
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Version of Apache installed on a Debian machine
...ntu 12.04 and I believe a lot of people are still using Ubuntu 12.04, like me, who don't want to upgrade to 14 yet until all bugs with various software are eliminated complete.y
– JohnMerlino
Jul 15 '14 at 21:25
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How to get record created today by rails activerecord?
How should I write the conditional statement for when I want to get all the records which were created today?
10 Answers
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Regex empty string or email
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Something to consider, doing ^(|.*@.*\..*)$ should have the same effect as it says either blank or this with only using ^ and $ once, to tidy it up a bit.
– Runevault
Feb 24 '12 at 18:20
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How do you change the datatype of a column in SQL Server?
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ALTER TABLE TableName
ALTER COLUMN ColumnName NVARCHAR(200) [NULL | NOT NULL]
EDIT
As noted NULL/NOT NULL should have been specified, see Rob's answer as well.
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