大约有 24,000 项符合查询结果（耗时：0.0409秒） [XML]
What is the 
 character?
... converted into a valid ASCII format.
To find it yourself, you can visit https://en.wikipedia.org/wiki/ASCII, there you can find big tables of characters. The one you are looking is in Control Characters table.
Digging to table you can find
Oct Dec Hex Name
012 10 0A Line F...
Node.js: Difference between req.query[] and req.params
...
Suppose you have defined your route name like this:
https://localhost:3000/user/:userid
which will become:
https://localhost:3000/user/5896544
Here, if you will print:
request.params
{
userId : 5896544
}
so
request.params.userId = 5896544
so request.params is an ob...
Repeatedly run a shell command until it fails?
...to a shell script or function then this works:
while true; do
curl -s "https:..." | grep "HasErrors.:true"
if [[ "$?" -ne 0 ]]; then
break
fi
sleep 120
done
The HTTP request in this case always returns 200 but also returns some JSON which has an attribute "HasErrors":true when there...
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...