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Why does ConcurrentHashMap prevent null keys and values?
...eature, which wasn't available back then (Java 5). You could use Optionals now, indeed.
– Bruno
Sep 18 '18 at 15:02
@A...
Can CSS detect the number of children an element has?
...the number of siblings they have.
Original answer:
Incredibly, this is now possible purely in CSS3.
/* one item */
li:first-child:nth-last-child(1) {
/* -or- li:only-child { */
width: 100%;
}
/* two items */
li:first-child:nth-last-child(2),
li:first-child:nth-last-child(2) ~ li {
widt...
Why is “import *” bad?
...espace (might shadow some other object from previous import and you won't know about it).
Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability).
Because you can't use cool tools like pyflakes to statically detect errors i...
How to delete a stash created with git stash create?
... Fair enough. I create my stashes using just git stash - I don't know if that actually maps to git stash create or something else. Git is certainly something I'm still learning about (if it wasn't, I wouldn't be reading SO Q&As like this.)
– ArtOfWarfare
...
Should I compile with /MD or /MT?
...s with older versions. The newer versions would be gone. This is commonly known as "dll hell", see en.wikipedia.org/wiki/DLL_Hell
– Adrian Grigore
Sep 18 '12 at 19:24
...
How do I suspend painting for a control and its children?
...essage, and defined WM_SETREDRAW, but didn't actually use it for anything. Now it does.)
– neminem
Jun 1 '11 at 22:22
...
How to switch position of two items in a Python list?
...The simple Python swap looks like this:
foo[i], foo[j] = foo[j], foo[i]
Now all you need to do is figure what i is, and that can easily be done with index:
i = foo.index("password2")
share
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im...
Java: Path vs File
...
Now I'm wondering: why do the new File/FolderChooser dialogs in JavaFX 8 then still use File instead of Path?
– piegames
Sep 6 '17 at 12:06
...
How can I log the stdout of a process started by start-stop-daemon?
...
Good to know, and the pkill solution too. Wondering what would ... -c "exec $DAEMON..." (adding the "exec") do. Don't have this on the plate right now so can't try it.
– youurayy
Nov 20 '12 at 20...
How can I change the color of a Google Maps marker?
...
Material Design
EDITED MARCH 2019 now with programmatic pin color,
PURE JAVASCRIPT, NO IMAGES, SUPPORTS LABELS
no longer relies on deprecated Charts API
var pinColor = "#FFFFFF";
var pinLabel = "A";
// Pick your pin (hole or no hole)
var ...