大约有 47,000 项符合查询结果（耗时：0.0574秒） [XML]
How can I make a div stick to the top of the screen once it's been scrolled to?
...e page has been scrolled enough to contact its top boundary, becomes fixed in place and scrolls with the page.
21 Answers
...
Effects of changing Django's SECRET_KEY
I made a mistake and committed my Django project's SECRET_KEY into a public repository.
5 Answers
...
How should I use try-with-resources with JDBC?
I have a method for getting users from a database with JDBC:
5 Answers
5
...
How to handle initializing and rendering subviews in Backbone.js?
I have three different ways to initialize and render a view and its subviews, and each one of them has different problems. I'm curious to know if there is a better way that solves all of the problems:
...
How do I parse JSON with Objective-C?
...the perspective of the OS X v10.7 and iOS 5 launches, probably the first thing to recommend now is NSJSONSerialization, Apple's supplied JSON parser. Use third-party options only as a fallback if you find that class unavailable at runtime.
So, for example:
NSData *returnedData = ...JSON data, prob...
difference between css height : 100% vs height : auto
I was asked a question in an interview that "what is the difference between the css height:100% and height:auto ?"
4 An...
Android: Scale a Drawable or background image?
On a layout I want to scale the background image (keeping its aspect ratio) to the space allocated when the page gets created. Does anyone have an idea how to do this?
...
How do I pass multiple attributes into an Angular.js attribute directive?
...
The directive can access any attribute that is defined on the same element, even if the directive itself is not the element.
Template:
<div example-directive example-number="99" example-function="exampleCallback()"></div>
Directive:
app.directive('exampleDir...
Escape quotes in JavaScript
I'm outputting values from a database (it isn't really open to public entry, but it is open to entry by a user at the company -- meaning, I'm not worried about XSS ).
...
PowerShell: Setting an environment variable for a single command only
On Linux, I can do:
7 Answers
7
...