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How can I make space between two buttons in same div?
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Put them inside btn-toolbar or some other container, not btn-group. btn-group joins them together. More info on Bootstrap documentation.
Edit: The original question was for Bootstrap 2.x, but the same is still valid for Bootstrap 3 a...
CHECK constraint in MySQL is not working
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MySQL 8.0.16 is the first version that supports CHECK constraints.
Read https://dev.mysql.com/doc/refman/8.0/en/create-table-check-constraints.html
If you use MySQL 8.0.15 or earlier, the MySQL Reference Manual says:
The CHECK clause is parsed but ignored by all storage engines....
How to pass parameters on onChange of html select
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A more succinct way to retrieve the value inside getComboA() is var value = sel.value;
– Yony
Sep 13 '12 at 1:37
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How to draw circle in html page?
How do you draw a circle using HTML5 and CSS3?
16 Answers
16
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...角度来看，这样的理解更合适，
socket起源于Unix，而Unix/Linux基本哲学之一就是“一切皆文件”，都可以用“打开open –> 读写write/read –> 关闭close”模式来操作。我的理解就是Socket就是该模式的一个实现，socket即是一种特...
What's the difference between using “let” and “var”?
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Scoping rules
Main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped to the immediate enclosing block denoted by { ...
How do you create a hidden div that doesn't create a line break or horizontal space?
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visibility: hidden hides the element, but it still takes up space in the layout.
display: none removes the element completely from the document, it doesn't take up any space.
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Rails Object to hash
I have the following object that has been created
10 Answers
10
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MySQL Query to select data from last week?
Hi I have a table with a date field and some other information.
I want to select all entries from the past week, (week start from Sunday).
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