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CSS filter: make color image with transparency white
...th: 50%;
text-align: center;
}
img {
display: block;
max-width: 100%;
}
.filter {
-webkit-filter: brightness(0) invert(1);
filter: brightness(0) invert(1);
}
<p>
Original:
<img src="http://i.stack.imgur.com/jO8jP.gif" />
</p>
<p>
Filter:
<...
Which Architecture patterns are used on Android? [closed]
...
In MVC, the controller is supposed to be the main entry point. Which is a bit debatable if this is the case when applying it to Android development, since the activity is the natural entry point of most applications.
Because of this, I personally find that the model–view–presenter pattern is a...
HTML: Include, or exclude, optional closing tags?
...plications 1.0,” which included major new features like a direct-mode drawing canvas and native support for audio and video without plugins.
In October 2009, the W3C shut down the XHTML 2 Working Group and issued this statement to explain their decision:
When W3C announced the HTM...
How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...t must be needing the client to connect again to the new port assigned.
A bit more for completeness:
Example 2: It's a very interesting question: "can two different processes on a server listen to the same port". If you do not consider protocol as one of parameter defining socket then the answer i...
How to get JSON response from http.Get
...esponse onto a target structure.
var myClient = &http.Client{Timeout: 10 * time.Second}
func getJson(url string, target interface{}) error {
r, err := myClient.Get(url)
if err != nil {
return err
}
defer r.Body.Close()
return json.NewDecoder(r.Body).Decode(target)
...
How do I sort an NSMutableArray with custom objects in it?
...;
}];
Performance
The -compare: and block-based methods will be quite a bit faster, in general, than using NSSortDescriptor as the latter relies on KVC. The primary advantage of the NSSortDescriptor method is that it provides a way to define your sort order using data, rather than code, which ma...
Finding three elements in an array whose sum is closest to a given number
...b-quadratically if you get really fancy, by representing each integer as a bit vector and performing a fast Fourier transform, but that's beyond the scope of this answer.
Note: Because this is an interview question, I've cheated a little bit here: this algorithm allows the selection of the same e...
Convert JSON style properties names to Java CamelCase names with GSON
...s and nobody from outside will see it. But it is still nagging me a little bit :)
– Janusz
Sep 9 '10 at 14:45
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Why no generics in Go?
...
@ChristopherPfohl D's templates seem to have quite a bit less of compile time overhead, and normally you don't generate more code with templates than you would normally do otherwise (you could, in fact, end up with less code depending on circumstances).
– ...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Line在国内的轮询策略
3、台湾（不使用GCM）：
从IBG同事win和guang提供的测试数据中看到，台湾使用的策略跟国内的轮询策略类似。
2.3 微信
微信没有使用GCM，自己维护TCP长连接，使用固定心跳。
2.4心跳典型值
What...