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Python: print a generator expression?
...an iterator, without the need to build an intermediate list:
>>> _ = map(sys.stdout.write, (x for x in string.letters if x in (y for y in "BigMan on campus")))
acgimnopsuBM
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improv...
What do people find difficult about C pointers? [closed]
... understanding the machine architecture. See en.wikipedia.org/wiki/Pointer_(computing) and boredzo.org/pointers/#definition
– Robert Harvey
Oct 26 '10 at 20:01
...
How do I apply a perspective transform to a UIView?
...eTransform = CATransform3DRotate(rotationAndPerspectiveTransform, 45.0f * M_PI / 180.0f, 0.0f, 1.0f, 0.0f);
layer.transform = rotationAndPerspectiveTransform;
Swift 5.0
if let myView = self.subviews.first {
let layer = myView.layer
var rotationAndPerspectiveTransform = CATransform3DIdenti...
Default function arguments in Rust
...fn add(a: Option<i32>, b: Option<i32>) -> i32 {
a.unwrap_or(1) + b.unwrap_or(2)
}
This accomplishes the objective of having the default value and the function coded only once (instead of in every call), but is of course a whole lot more to type out. The function call will look ...
How Pony (ORM) does its tricks?
... if c.country == 'USA')
>>> import dis
>>> dis.dis(gen.gi_frame.f_code)
1 0 LOAD_FAST 0 (.0)
>> 3 FOR_ITER 26 (to 32)
6 STORE_FAST 1 (c)
9 LOAD_FAST 1 (c)
...
Add days to JavaScript Date
... for Date: var result = new Date(date);, see http://www.w3schools.com/js/js_dates.asp. Even if this usually work, sometimes can lead to wrong results because of conversion to string and vice versa. It should be var result = new Date(date.getTime());
– Marcin
No...
How to provide different Android app icons for different gradle buildTypes?
..., if your project layout is as follows, and your launcher icon is called ic_launcher.png:
[Project Root]
-[Module]
-src
-main
-res
-drawable-*
-ic_launcher.png
Then to add a separate icon for the debug build type, you add:
[Project Root]
-[Module]
...
In git, what is the difference between merge --squash and rebase?
...--commit with --squash
Previously, when --squash was supplied, 'option_commit' was silently
dropped. This could have been surprising to a user who tried to override
the no-commit behavior of squash using --commit explicitly.
git/git builtin/merge.c#cmd_merge() now includes:
if (option_co...
How do I disable the security certificate check in Python requests
...import requests
from urllib3.exceptions import InsecureRequestWarning
old_merge_environment_settings = requests.Session.merge_environment_settings
@contextlib.contextmanager
def no_ssl_verification():
opened_adapters = set()
def merge_environment_settings(self, url, proxies, stream, veri...
Is there an easy way to add a border to the top and bottom of an Android View?
...move the solid if you don't want a fill. The set background="@drawable/your_shape_drawable" on your layout/view.
Option 2: Background View
Here's a little trick I've used in a RelativeLayout. Basically you have a black square under the view you want to give a border, and then give that view some p...