大约有 20,000 项符合查询结果（耗时：0.0329秒） [XML]
What is the attribute property=“og:title” inside meta tag?
...
og:title is one of the open graph meta tags. og:... properties define objects in a social graph. They are used for example by Facebook.
og:title stands for the title of your object as it should appear within the graph (see here...
How to change the font size on a matplotlib plot
How does one change the font size for all elements (ticks, labels, title) on a matplotlib plot?
12 Answers
...
Prefer composition over inheritance?
...sign (inheritance, polymorphism, encapsulation).
class Person {
String Title;
String Name;
Int Age
}
class Employee : Person {
Int Salary;
String Title;
}
This is inheritance at work. The Employee "is a" Person or inherits from Person. All inheritance relationships are "is-a" rela...
HTML - how can I show tooltip ONLY when ellipsis is activated
...ere's a way that does it using the built-in ellipsis setting, and adds the title attribute on-demand (with jQuery) building on Martin Smith's comment:
$('.mightOverflow').bind('mouseenter', function(){
var $this = $(this);
if(this.offsetWidth < this.scrollWidth && !$this.attr('t...
How to update a record using sequelize for node?
...change its properties and update it, for example:
Project.find({ where: { title: 'aProject' } })
.on('success', function (project) {
// Check if record exists in db
if (project) {
project.update({
title: 'a very different title now'
})
.success(function () {})
...
What does the construct x = x || y mean?
...
It means the title argument is optional. So if you call the method with no arguments it will use a default value of "Error".
It's shorthand for writing:
if (!title) {
title = "Error";
}
This kind of shorthand trick with boolean expr...
Show an image preview before upload
... #000; margin: 5px" src="',
e.target.result,
'" title="', escape(theFile.name),
'"/>'
].join('');
document.getElementById('list').insertBefore(span, null);
};
})(f);
// Read in the image file as a ...
HTML img tag: title attribute vs. alt attribute?
...
I'd go for both. Title will show a nice tooltip in all browsers and alt will give a description when browsing in a browser with no images.
That said, I'd love to see some stats of how many "surfers" out there going to a "store" to browse mer...
Efficiently updating database using SQLAlchemy ORM
...ase):
__tablename__ = 'media'
id = Column(Integer, primary_key=True)
title = Column(String, nullable=False)
slug = Column(String, nullable=False)
type = Column(String, nullable=False)
def update(self):
s = session()
mapped_values = {}
for item in Media.__dict__.iteritems():
...
MySQL JOIN the most recent row only?
...
You may want to try the following:
SELECT CONCAT(title, ' ', forename, ' ', surname) AS name
FROM customer c
JOIN (
SELECT MAX(id) max_id, customer_id
FROM customer_data
GROUP BY customer_id
) c_max ON...