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How do I link to part of a page? (hash?)
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On 12 March 2020, a draft has been added by WICG for Text Fragments, and now you can link to text on a page as if you were searching for it by adding the following to the hash
#:~:text=<Text To Link to>
Working example on Chrome Version 81.0.4044.138:
Click...
Naming of ID columns in database tables
... +1 Columns that are synonymous should have the same name - by using the table name prefix you can have a primary key column called table1ID and a foreign key column in another table called table1ID - and you KNOW that they are the same thing. I was taught this 20 years ago and its a...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...地址：http://blog.csdn.net/gongxinheng/archive/2010/03/27/5421914.aspx
by: HengStar 2010/3/27
我是一名游戏开发程序员，研究C++ Boost库已经有一小段时日了，学的越多愈发愈感觉出它的强大，每次学习后在实战项目中高效地使用，都让我兴奋不...
How to make a smaller RatingBar?
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I solve the ugly (right)padding by codeandroid:scaleX="0.75" android:scaleY="0.75" android:layout_marginRight="-25dp"
– hannes ach
May 9 '15 at 12:26
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ng-repeat :filter by single field
...ter page. Use an object, and set the color in the color property:
Search by color: <input type="text" ng-model="search.color">
<div ng-repeat="product in products | filter:search">
share
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How can I exclude some folders from my Eclipse project?
...to know if there is a way to exclude some directories from being picked up by eclipse at all? The reason is that we have a huge "third-party" directory in our repository that cannot be present in the project for the pair-programming plugin we are using to be able to sync efficiently.
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Javascript Shorthand for getElementById
Is there any shorthand for the JavaScript document.getElementById? Or is there any way I can define one? It gets repetitive retyping that over and over .
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Accessing Object Memory Address
...al question? The answer posted here is recreating the address as requested by the original question. Wouldn't you have to string mangle if you did it the way you suggest?
– Rafe
Mar 13 '17 at 20:03
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SQLAlchemy: cascade delete
...ss, you can do so, but you will have to define the cascade on the backref (by creating the backref explicitly), like this:
parent = relationship(Parent, backref=backref("children", cascade="all,delete"))
(implying from sqlalchemy.orm import backref)
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Is there a way to access the “previous row” value in a SELECT statement?
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SQL has no built in notion of order, so you need to order by some column for this to be meaningful. Something like this:
select t1.value - t2.value from table t1, table t2
where t1.primaryKey = t2.primaryKey - 1
If you know how to order things but not how to get the previous val...