大约有 30,000 项符合查询结果（耗时：0.0383秒） [XML]
How are feature_importances in RandomForestClassifier determined?
...at they sum to one. You can circumvent this by looping over the individual base estimators and calling tree_.compute_feature_importances(normalize=False).
– Gilles Louppe
Jul 31 '14 at 7:13
...
Custom attributes in styles.xml
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Understanding MongoDB BSON Document size limit
....
You can use this method to store images, files, videos, etc in the database much as you might in a SQL database. I have used this to even store multi gigabyte video files.
share
|
improve this a...
How do Google+ +1 widgets break out of their iframe?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
What's the difference between the atomic and nonatomic attributes?
...cks Another fun one; on certain architectures (Can't remember which one), 64 bit values passed as an argument might be passed half in a register and half on the stack. atomic prevents cross-thread half-value reads. (That was a fun bug to track down.)
– bbum
...
Concurrent HashSet in .NET Framework?
...Dictionary or locking over a HashSet I created an actual ConcurrentHashSet based on ConcurrentDictionary.
This implementation supports basic operations per item without HashSet's set operations as they make less sense in concurrent scenarios IMO:
var concurrentHashSet = new ConcurrentHashSet<s...
How long should SQL email fields be? [duplicate]
...
Some statistical data may shed some light on the issue. We analyzed a database with over 10 million Email addresses. These addresses are not confirmed so there are invalid ones. Here are some interesting facts,
The longest valid one is 89.
There are hundreds longer ones up to the limit of our col...
How to pass html string to webview on android
..."text/html; charset=utf-8", "UTF-8");
Or You can try
webview.loadDataWithBaseURL(null, data, "text/html", "utf-8", null);
share
|
improve this answer
|
follow
...
Remove by _id in MongoDB console
...llNic Cottrell
7,50533 gold badges4343 silver badges6464 bronze badges
4
...
HMAC-SHA1 in bash
... in this example, what is the encoding / format of the key? Should it be a base64 encoding like a private key created using openssl genrsa? Also, the openssl documentation link results in a 404.
– Carlos Macasaet
Aug 18 '15 at 5:07
...