大约有 40,000 项符合查询结果(耗时:0.0902秒) [XML]
WebDriver: check if an element exists? [duplicate]
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You could alternatively do:
driver.findElements( By.id("...") ).size() != 0
Which saves the nasty try/catch
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SQL WHERE ID IN (id1, id2, …, idn)
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fnSplitter is a function created by Ritu, you can find on internet/google similar of it
– Bashar Abu Shamaa
May 9 '18 at 9:01
add a c...
JavaScript and Threads
...amHasler You may want to revise your answer. Web workers are now supported by all modern desktop browsers. See also caniuse.com/#search=worker
– Rob W
Apr 6 '13 at 8:42
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Unable to copy ~/.ssh/id_rsa.pub
...from a Gilles, a fellow user from askubuntu:
The clipboard is provided by the X
server. It doesn't matter
whether the server is headless or not, what matters is that your local
graphical session is available to programs running on the remote
machine. Thanks to X's network-transparent des...
C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
...ly without making a request to the store, if that entity is already loaded by the context.
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PDO get the last ID inserted
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You can get the id of the last transaction by running lastInsertId() method on the connection object($conn).
Like this $lid = $conn->lastInsertId();
Please check out the docs https://www.php.net/manual/en/language.oop5.basic.php
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How to extract the decision rules from scikit-learn decision-tree?
...eated my own function to extract the rules from the decision trees created by sklearn:
import pandas as pd
import numpy as np
from sklearn.tree import DecisionTreeClassifier
# dummy data:
df = pd.DataFrame({'col1':[0,1,2,3],'col2':[3,4,5,6],'dv':[0,1,0,1]})
# create decision tree
dt = DecisionTre...
What is the difference between a stored procedure and a view?
...ON A.user_id = b.user_id
GO
Thus, if I want to query profile_description by user_id in the future, all I have to do is:
SELECT profile_description FROM vw_user_profile WHERE user_id = @ID
That code could be used in a stored procedure like:
CREATE PROCEDURE dbo.getDesc
@ID int
AS
BEGIN
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Google Sheets API Setup · App Inventor 2 中文网
...ctivated to use
developer tools, so if you have not already done so, begin by navigating to
https://www.google.com and create a google account. Once you have done so,
navigate to https://developers.google.com and sign in to your desired Google
Account. This does not need to be the google account whi...
WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
...ITH CHECK is default for new constraints, and the constraint is turned on by default as well.
This syntax is generated by the SQL management studio when generating sql scripts -- I'm assuming it's some sort of extra redundancy, possibly to ensure the constraint is enabled even if the default constr...
