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Concatenating two lists - difference between '+=' and extend()
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From the CPython 3.5.2 source code:
No big difference.
static PyObject *
list_inplace_concat(PyListObject *self, PyObject *other)
{
PyObject *result;
result = listextend(self, other);
if (result == NULL)
...
list every font a user's browser can display
...I'd prefer not to have to hardcode this list ahead of time or send it down from the server. (Intuitively, it seems like the browser should know what fonts it has and this should be exposed to javascript somehow.)
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What is “git remote add …” and “git push origin master”?
...gms and concepts, it has the same zenlike clarity that I've come to expect from UNIX command line tools. You should consider taking some time off to read one of the many good git tutorials available online. The Pro Git book is a good place to start.
To answer your first question.
What is git remote...
Should I use alias or alias_method?
...re predictable. Also, can you provide any practical example of benefitting from redefining alias_method?
– Boris Stitnicky
Nov 3 '12 at 19:17
7
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Presenting a UIAlertController properly on an iPad using iOS 8
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You can present a UIAlertController from a popover by using UIPopoverPresentationController.
In Obj-C:
UIViewController *self; // code assumes you're in a view controller
UIButton *button; // the button you want to show the popup sheet from
UIAlertController...
Detecting iOS / Android Operating system
...i.test(userAgent)) {
return "Android";
}
// iOS detection from: http://stackoverflow.com/a/9039885/177710
if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
return "iOS";
}
return "unknown";
}
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Make anchor link go some pixels above where it's linked to
... jumping to the anchor for us and then we will use that position to offset from.
EDIT 1:
As was pointed out by @erb, this only works if you are on the page while the hash is changed. Entering the page with a #something already in the URL does not work with the above code. Here is another version t...
How can I make the tabs work normally on Xcode 4?
...n each tab. There are a number of problems with this choice.
This differs from most IDE/text editors' implementation of file tabs wherein a tab (generally) represents a single file, and each file has its own tab.
The problem with workspace tabs is there are only so many potential different workspa...
Where can I get a list of Ansible pre-defined variables?
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Argh! From the FAQ:
How do I see a list of all of the ansible_ variables?
Ansible by default gathers “facts” about the machines under management, and these facts can be accessed in Playbooks and in templates. To see a list of ...
What is the difference between build.sbt and build.scala?
... project settings. But now I have installed giter8 and created a project from template. And generated project from template missed build.sbt file, but it have build.scala (which seems used for same purposes, but it is more flexible).
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