大约有 25,400 项符合查询结果（耗时：0.0525秒） [XML]
How to format a Java string with leading zero?
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That's pretty clever -- but it took me about 30 seconds to "get it". I think a more readable solution would be better.
– Amy B
Oct 29 '10 at 13:12
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Create an Array of Arraylists
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As per Oracle Documentation:
"You cannot create arrays of parameterized types"
Instead, you could do:
ArrayList<ArrayList<Individual>> group = new ArrayList<ArrayList<Individual>>(4);
As suggested by Tom Hawtin...
How do I determine the current operating system with Node.js
...dited Nov 19 '19 at 0:48
Stan James
2,1772323 silver badges3434 bronze badges
answered Dec 30 '11 at 20:54
Mau...
ActiveModel::ForbiddenAttributesError when creating new user
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I guess you are using Rails 4. If so, the needed parameters must be marked as required.
You might want to do it like this:
class UsersController < ApplicationController
def create
@user = User.new(user_params)
# ...
end
private
def user_params
params...
How to delete a whole folder and content?
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Let me tell you first thing you cannot delete the DCIM folder because it is a system folder. As you delete it manually on phone it will delete the contents of that folder, but not the DCIM folder. You can delete its contents by u...
Auto-reload browser when I save changes to html file, in Chrome?
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I assume you're not on OSX? Otherwise you could do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refr...
Cannot import XSSF in Apache POI
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This is what I needed. For me (version 3.11) I simply needed to add an additional jar: poit-ooxml-3.11-20141221.jar. I did not realize there was no tie between them. Thanks for the answer Pushkar +1.
– Clint L
May...
How to get names of enum entries?
I would like to iterate a TypeScript an enum type and get each enumerated symbol name, e.g.:
28 Answers
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Find document with array that contains a specific value
...:
PersonModel.find({ favouriteFoods: "sushi" }, ...);
But I'd also recommend making the string array explicit in your schema:
person = {
name : String,
favouriteFoods : [String]
}
The relevant documentation can be found here: https://docs.mongodb.com/manual/tutorial/query-arrays/
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How can I scroll a web page using selenium webdriver in python?
... @lukeis)
You can also use
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
to scroll to the bottom of the page.
If you want to scroll to a page with infinite loading, like social network ones, facebook etc. (thanks to @Cuong Tran)
SCROLL_PAUSE_TIME = 0.5
# Get scroll ...