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C/C++ NaN constant (literal)?
...e is NaN, you can't compare it with another NaN value. Instead use isnan() from <math.h> in C, or std::isnan() from <cmath> in C++.
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SVG Positioning
...t;rect x="0" y="0" width="60" height="10"/>
</g>
Links: Example from the SVG 1.1 spec
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break out of if and foreach
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so then the break is breaking from the foreach and not the if. i think my confusion was from this statement if ($abort_if_block) break; i had originally set break 2 and it failed. thanks
– au_stan
Feb 9 '12 at 17:25
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Android: how to make an activity return results to the activity which calls it?
I have a Location activity that can be called from many activities, such as Sign up and Order . In the Location activity the user enters his location, so the activity Location will return this new location to that activity which called it.
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How to change line width in ggplot?
...ped within a ggplot call.
An aesthetic defined within aes(...) is mapped from the data, and a legend created.
An aesthetic may also be set to a single value, by defining it outside aes().
As far as I can tell, what you want is to set size to a single value, not map within the call to aes()
When...
How to document a string type in jsdoc with limited possible values
...ft'|'right')} like user b12toaster mentioned.
But, by taking reference from APIDocjs, here's what I use for writing constrained values, aka allowedValues.
/**
* Set the arrow position of the tooltip
* @param {String='up','down','left','right'} position pointer position
*/
setPosition(positio...
Accessing dict_keys element by index in Python3
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@BrandonBradley: thanks for the link. Only the solution from one of the comments for that blog works for me in Python3: sorted(dict.keys()). In Python2, dict.keys() will return a list of key values.
– Good Will
May 8 '18 at 22:20
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Should I be concerned about excess, non-running, Docker containers?
...work like so:
sudo docker run -i -t --rm ubuntu /bin/bash
When you exit from the container it will be automatically removed.
You can test this by listing your docker containers in one terminal window:
watch -n1 'sudo ls -c /var/lib/docker/containers'
And then in another window run this comman...
How to see which plugins are making Vim slow?
...m instantly gets faster.
With plugins, a "general slowness" usually comes from autocommands; a :autocmd lists them all. Investigate by killing some of them via :autocmd! [group] {event}. Proceed from more frequent events (i.e. CursorMoved[I]) to less frequent ones (e.g. BufWinEnter).
If you can so...
What to add for the update portion in ConcurrentDictionary AddOrUpdate
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Good answer. Just from the signature of the AddOrUpdate() displayed in Visual Studio you can only guess the meaning of the 2 parameters. However in the specific case, that @user438331 asks about, I think the solution in my answer using a simpl...