大约有 41,000 项符合查询结果（耗时：0.0607秒） [XML]
How to extract the decision rules from scikit-learn decision-tree?
...e output for a tree that is trying to return its input, a number between 0 and 10.
def tree(f0):
if f0 <= 6.0:
if f0 <= 1.5:
return [[ 0.]]
else: # if f0 > 1.5
if f0 <= 4.5:
if f0 <= 3.5:
return [[ 3.]]
else: # if f0 > 3.5
...
Java LinkedHashMap get first or last entry
...ions has its own LinkedMap implementation, which has methods like firstKey and lastKey, which do what you're looking for. The interface is considerably richer.
share
|
improve this answer
...
How can I check in a Bash script if my local Git repository has changes?
...u're doing will almost work: you should quote $CHANGED in case it's empty, and -z tests for empty, which means no changes. What you meant was:
if [ -n "$CHANGED" ]; then
VN="$VN-mod"
fi
A quote from Git's GIT-VERSION-GEN:
git update-index -q --refresh
test -z "$(git diff-index --name-only HE...
What's a Good Javascript Time Picker? [closed]
What's a good time picker for jquery or standalone js? I would like something like google uses in their calendar where it has a drop down of common times in 15min intervals or lets you manually type in a time and it validates it.
...
How do I pass multiple attributes into an Angular.js attribute directive?
...f attribute example-number will be hard-coded, I suggest using $eval once, and storing the value. Variable num will have the correct type (a number).
share
|
improve this answer
|
...
Adding options to select with javascript
...ect.appendChild(opt);
}
JS Fiddle demo.
JS Perf comparison of both mine and Sime Vidas' answer, run because I thought his looked a little more understandable/intuitive than mine and I wondered how that would translate into implementation. According to Chromium 14/Ubuntu 11.04 mine is somewhat fas...
How to install node.js as windows service?
...ecutable. How can I run that executable as windows service?
I cannot use standard node.js installer, since I need to run multiple version of node.js concurrently.
...
Distinct by property of class with LINQ [duplicate]
...
You can use grouping, and get the first car from each group:
List<Car> distinct =
cars
.GroupBy(car => car.CarCode)
.Select(g => g.First())
.ToList();
...
Add default value of datetime field in SQL Server to a timestamp
...hey didn't put a timestamp in the table. I want it to enter the exact date and time that the record was entered.
12 Answers...
Get the current year in JavaScript
...
Create a new Date() object and call getFullYear():
new Date().getFullYear()
// returns the current year
Hijacking the accepted answer to provide some basic example context like a footer that always shows the current year:
<footer>
&...