大约有 41,000 项符合查询结果（耗时：0.0622秒） [XML]
Javascript set img src
... a dynamically generated page. So the obvious thing to do is to preload it and use that one variable as the source all the time.
...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
... any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
...
Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
...ecause you don't need to fully deserialize the JSON object. This comes in handy with APIs that can sometimes surprise you with missing object properties, like Twitter.
Documentation: Serializing and Deserializing JSON with Json.NET and LINQ to JSON with Json.NET
...
Is it possible to import a whole directory in sass using @import?
...re 119 Sass files in 17 directories. These correspond roughly to our views and are mainly used for adjustments, with the heavy lifting being handled by our custom framework. To me, a few lines of imported directories is a tad less complex than 119 lines of imported filenames.
To address load order,...
Force DOM redraw/refresh on Chrome/Mac
...e DOM inspector is often enough to get it to realize the error of its ways and redraw correctly, so it's provably the case that the markup is good. This happens frequently (and predictably) enough in a project I'm working on that I've put code in place to force a redraw in certain circumstances.
...
How to print Unicode character in Python?
I want to make a dictionary where English words point to Russian and French translations.
9 Answers
...
The term “Context” in programming? [closed]
I have been programming for some months now and a frequently used word is "context" in classes. Like ServletContext (Java), Activity (Android), Service (Java, Android), NSManagedContext (Objective-C, iOS).
...
Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
I guess I'm not clear on how to do "and" tests. I wanted to make sure an argument existed which was working well with [ -e $VAR ] , but it turns out that was also evaluating as true on an empty string; which I do not want.
...
Run PHP Task Asynchronously
I work on a somewhat large web application, and the backend is mostly in PHP. There are several places in the code where I need to complete some task, but I don't want to make the user wait for the result. For example, when creating a new account, I need to send them a welcome email. But when they h...
Measuring the distance between two coordinates in PHP
... have the need to calculate the distance between two points having the lat and long.
12 Answers
...