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How does Django's Meta class work?
...d controlled by a metaclass called ModelBase, you can see that code here:
https://github.com/django/django/blob/master/django/db/models/base.py#L61
And one of the things that ModelBase does is to create the _meta attribute on every Django model which contains validation machinery, field details, s...
Make a URL-encoded POST request using `http.NewRequest(…)`
...
"net/url"
"strconv"
"strings"
)
func main() {
apiUrl := "https://api.com"
resource := "/user/"
data := url.Values{}
data.Set("name", "foo")
data.Set("surname", "bar")
u, _ := url.ParseRequestURI(apiUrl)
u.Path = resource
urlStr := u.String() // "https:/...
Using git to get just the latest revision
...a history truncated to the latest commit.
For example:
git clone --depth 1 https://github.com/user/repo.git
To also initialize and update any nested submodules, also pass --recurse-submodules and to clone them shallowly, also pass --shallow-submodules.
For example:
git clone --depth 1 --recurse-sub...
select2 - hiding the search box
...
See this thread https://github.com/ivaynberg/select2/issues/489, you can hide the search box by setting minimumResultsForSearch to a negative value.
$('select').select2({
minimumResultsForSearch: -1
});
...
How to change the map center in Leaflet.js
...ter map to a new point in polyline at every second. Check the code :
GOOD: https://jsfiddle.net/nstudor/xcmdwfjk/
mymap.setView(point, 11, { animation: true });
BAD: https://jsfiddle.net/nstudor/Lgahv905/
mymap.panTo(point);
mymap.setZoom(11);
...
Render a variable as HTML in EJS
...ctober 2017 update
The new ejs (v2, v2.5.7) development is happening here: https://github.com/mde/ejs
The old ejs (v0.5.x, 0.8.5, v1.0.0) is available here https://github.com/tj/ejs
Now with ejs you can do even more. You can use:
Escaped output with <%= %> (escape function configurable)
Unesc...
How to parse/read a YAML file into a Python object? [duplicate]
...uld never be installed outside a virtualenv.
"pip install" is permanent:
https://stackoverflow.com/questions/1550226/python-setup-py-uninstall
Beware when using pip within an aptitude or RPM script.
Pip might not play by all the rules.
Your installation may be permanent.
Ruby is 7X faster at l...
Automatically add newline at end of curl response body
...rected or you use -L to follow the redirect.
Example output:
~ ➤ curl https://www.google.com
<HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8">
<TITLE>302 Moved</TITLE></HEAD><BODY>
<H1>302 Moved</H1>
The document...
How to switch a user per task or set of tasks?
...ook, or set them for a particular task.
- name: checkout repo
git: repo=https://github.com/some/repo.git version=master dest={{ dst }}
become: yes
become_user: some_user
You can use become_with to specify how the privilege escalation is achieved, the default being sudo.
The directive is in...
How can I see the request headers made by curl when sending a request to the server?
...t, it also prints the TLS handshake process when accessing website through HTTPS, such as curl -v https://www.example.com; second, it also prints the CONNECT request if you are visiting the site through HTTP proxy, such as curl --proxy my-proxy:8080 http://www.example.com. I believe it would help mo...