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How to fix the flickering in User controls
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It is not the kind of flicker that double-buffering can solve. Nor BeginUpdate or SuspendLayout. You've got too many controls, the BackgroundImage can make it a lot worse.
It starts when the UserControl paints itself. It draws the BackgroundImage, leaving ...
How to check type of variable in Java?
How can I check to make sure my variable is an int, array, double, etc...?
13 Answers
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string sanitizer for filename
... answered Jan 7 '10 at 16:02
Dominic RodgerDominic Rodger
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How do I use the includes method in lodash to check if an object is in the collection?
...cated in v4) and find methods compare objects by their properties, so they don't require reference equality. As an alternative to includes, you might want to try some (also aliased as any):
_.some([{"a": 1}, {"b": 2}], {"b": 2})
> true
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...l pg
gem install pg
I suggest you take some time to read the PostgreSQL documentation to understand exactly what you're doing in the above steps to minimize frustrations.
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
... solutions have real pointers pointing to memory addresses while the first do not point anywhere. If that is a failing of JS is probably a matter o discussion, but not here ;)
– David Mårtensson
Sep 17 '12 at 16:10
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Google Guava isNullOrEmpty for collections
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No, this method does not exist in Guava and is in fact in our "idea graveyard."
We don't believe that "is null or empty" is a question you ever really want to be asking about a collection.
If a collection might be null, and null should be ...
How to upload files to server using JSP/Servlet?
... is where the well known Apache Commons FileUpload came into the picture.
Don't manually parse it!
You can in theory parse the request body yourself based on ServletRequest#getInputStream(). However, this is a precise and tedious work which requires precise knowledge of RFC2388. You shouldn't try ...
How do you sort an array on multiple columns?
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@dcp I don't see how it could also sort the second attribute. Unless you loop it as many as the number of selected columns.. Am I right? e.g. [[A, 10], [J, 15], [A, 5], [J, 5]] => [[A, 10], [A, 5], [J, 15], [J, 5]]
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Call AngularJS from legacy code
... Flex application. All callbacks from the Flex app must be attached to the DOM window.
7 Answers
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