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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 ...
MSBuild doesn't copy references (DLL files) if using project dependencies in solution
...ces over into project Y that it detects as being required by project X; it does this to avoid reference pollution in project Y. The problem is, since project X doesn't actually contain any code that explicitly uses assembly B (e.g. B.SomeFunction()), VS/MSBuild doesn't detect that B is required by X...
git status shows modifications, git checkout — doesn't remove them
... my working copy.
Running git status shows files modified.
Nothing I do seems to remove these modifications.
E.g.:
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Reverse Range in Swift
...ide(through: -8, by: -2) { print(i) } // 0 -2 -4 -6 -8
It also works for Doubles:
for i in 0.5.stride(to:-0.1, by: -0.1) { print(i) }
Be wary of floating point compares here for the bounds.
Earlier edit for Swift 1.2: As of Xcode 6 Beta 4, by and ReverseRange don't exist anymore :[
If you are...
Making a UITableView scroll when text field is selected
...e UITableViewController instead of UIViewController, it will automatically do so.
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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 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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Capturing URL parameters in request.GET
...in order to capture parameters in a URL, as described in the tutorial. How do I access parameters from the URL as part the HttpRequest object?
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How can I stop redis-server?
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Either connect to node instance and use shutdown command or if you are on ubuntu you can try to restart redis server through init.d:
/etc/init.d/redis-server restart
or stop/start it:
/etc/init.d/redis-server stop
/etc/init.d/redis-server start
On Mac
redis-cli ...