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Getting scroll bar width using JavaScript [duplicate]
...(outer.offsetWidth - inner.offsetWidth);
// Removing temporary elements from the DOM
outer.parentNode.removeChild(outer);
return scrollbarWidth;
}
Basic steps here are:
Create hidden div (outer) and get it's offset width
Force scroll bars to appear in div (outer) using CSS overflow prop...
git pull error :error: remote ref is at but expected
...
I had to remove my branch from my command line at:
.git\refs\remotes\{my remote}\{**my branch**}
and then manually doing:
git pull [remote_name] [branch_name]
I was able to pull the changes.
Note: I was using SourceTree and was unable to do th...
Automatically open Chrome developer tools when new tab/new window is opened
...to-open Developer Tools in Pop-ups if they were open where you opened them from. For example, if you do not have Dev Tools open and you get a popup, it won't open with Dev Tools. But if you Have Dev Tools Open and then you click something, the popup will have Dev-Tools Automatically opened.
UPDATE:...
rsync error: failed to set times on “/foo/bar”: Operation not permitted
I'm getting a confusing error from rsync and the initial things I'm finding from web searches (as well as all the usual chmod'ing) are not solving it:
...
ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
...ects in Java, and
the way data is stored inside that
object could vary from one JVM
implementation to another.
For this reason, the notion of a
direct buffer was introduced. Direct
buffers are intended for interaction
with channels and native I/O routines.
They make a best effort ...
Why are elementwise additions much faster in separate loops than in a combined loop?
...ch large allocations are requested, the allocator will request fresh pages from the OS. Therefore, there is a high chance that large allocations will appear at the same offset from a page-boundary.
Here's the test code:
int main(){
const int n = 100000;
#ifdef ALLOCATE_SEPERATE
double *a1 =...
Where'd padding go, when setting background Drawable?
...xt and Button views, where I have a nice padding for them to space away from the text, but when I change the background with setBackgroundDrawable or setBackgroundResource that padding is lost forever.
...
Copying files from host to Docker container
...
docker cp foo.txt mycontainer:/foo.txt
One specific file can be copied FROM the container like:
docker cp mycontainer:/foo.txt foo.txt
For emphasis, mycontainer is a container ID, not an image ID.
Multiple files contained by the folder src can be copied into the target folder using:
docker ...
pip issue installing almost any library
...ping
Could not find a version that satisfies the requirement pytest-cov (from versions: )
No matching distribution found for pytest-cov
Update April 2018:
To anyone getting the TLSV1_ALERT_PROTOCOL_VERSION error: it has nothing to do with trusted-host/verification issue of the OP or this answer....
super() raises “TypeError: must be type, not classobj” for new-style class
...e distinct. Here, OldStyle().__class__ is OldStyle, which does not inherit from object, while type(OldStyle()) is the instance type, which does inherit from object. Basically, an old-style class just creates objects of type instance (whereas a new-style class creates objects whose type is the class...