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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...cts of the
collection type that have been
instantiated with attributes and
linked to this object through a
foreign key, but have not yet been
saved. Note: This only works if an
associated object already exists, not
if it‘s nil!
The answer to building in the opposite direction is a ...
grep exclude multiple strings
I am trying to see a log file using tail -f and want to exclude all lines containing the following strings:
7 Answers
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How do I use an INSERT statement's OUTPUT clause to get the identity value?
...ff', '1112223333')
This way, you can put multiple values into @OutputTbl and do further processing on those. You could also use a "regular" temporary table (#temp) or even a "real" persistent table as your "output target" here.
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How do I convert a TimeSpan to a formatted string? [duplicate]
I have two DateTime vars, beginTime and endTime. I have gotten the difference of them by doing the following:
14 Answers
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How to call a method after bean initialization is complete?
...
To expand on the @PostConstruct suggestion in other answers, this really is the best solution, in my opinion.
It keeps your code decoupled from the Spring API (@PostConstruct is in javax.*)
It explicitly annotates your init method...
How to trigger a click on a link using jQuery
...ou have will work I recreated your example in jsfiddle with an added eventHandler so you can see that it works:
$(document).on("click", "a", function(){
$(this).text("It works!");
});
$(document).ready(function(){
$("a").trigger("click");
});
Are you trying to cause the user to navigate ...
location.host vs location.hostname and cross-browser compatibility?
...
A picture is worth a thousand words.
– Jack Giffin
Jan 7 '18 at 18:11
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How can I read large text files in Python, line by line, without loading it into memory?
...d to read a large file, line by line. Lets say that file has more than 5GB and I need to read each line, but obviously I do not want to use readlines() because it will create a very large list in the memory.
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I want to execute shell commands from Maven's pom.xml
I want to execute Linux shell commands with Maven. Here is what I tried:
5 Answers
5
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Getting result of dynamic SQL into a variable for sql-server
...
DECLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@cnt i...