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How to choose between Hudson and Jenkins? [closed]
... is now, but more importantly, what is the direction each branch is taking and what are key points so one could make a choice between which to go with?
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How to force the browser to reload cached CSS/JS files?
I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even between browser sessions. This leads to a problem when you update one of these files but the user's browser keeps on using the cached copy.
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Show data on mouseover of circle
...ement to each circle, as the browser will take care of showing the tooltip and you don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
...
.append("svg:title")
.text(function(d) { return d.x; });
If you...
How to get current timestamp in milliseconds since 1970 just the way Java gets
...ime units in a type-safe way so the compiler can enforce unit conversions, and works with normal arithmetic operators (adding timeval structs is annoying).
– Oz.
Nov 10 '16 at 19:02
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Using Git with Visual Studio [closed]
As a long-time Visual SourceSafe user (and hater) I was discussing switching to SVN with a colleague; he suggested using Git instead. Since, apparently, it can be used as peer-to-peer without a central server (we are a 3-developer team).
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JPA eager fetch does not join
... JPA's fetch strategy control? I can't detect any difference between eager and lazy. In both cases JPA/Hibernate does not automatically join many-to-one relationships.
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Get the first element of an array
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I get this: <b>Strict Standards</b>: Only variables should be passed by reference. Nice workaround btw
– Simone
Mar 21 '12 at 13:55
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How can I merge properties of two JavaScript objects dynamically?
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ECMAScript 2018 Standard Method
You would use object spread:
let merged = {...obj1, ...obj2};
merged is now the union of obj1 and obj2. Properties in obj2 will overwrite those in obj1.
/** There's no limit to the number of objects you can...
ERROR: Error 1005: Can't create table (errno: 121)
...
I searched quickly for you, and it brought me here. I quote:
You will get this message if you're trying to add a constraint with a
name that's already used somewhere else
To check constraints use the following SQL query:
SELECT
constraint_n...
How to redirect to a 404 in Rails?
...
raise ActionController::RoutingError.new('Not Found')
end
Rails also handles AbstractController::ActionNotFound, and ActiveRecord::RecordNotFound the same way.
This does two things better:
1) It uses Rails' built in rescue_from handler to render the 404 page, and
2) it interrupts the executi...