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Why do we need C Unions?
When should unions be used? Why do we need them?
18 Answers
18
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Equivalent of jQuery .hide() to set visibility: hidden
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You could make your own plugins.
jQuery.fn.visible = function() {
return this.css('visibility', 'visible');
};
jQuery.fn.invisible = function() {
return this.css('visibility', 'hidden');
};
jQuery.fn.visibilityToggle = function() {
return this.css('visibilit...
Scala: What is a TypeTag and how do I use it?
All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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How to make a cross-module variable?
The __debug__ variable is handy in part because it affects every module. If I want to create another variable that works the same way, how would I do it?
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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ader中包含Expires/Cache of Control，last modified(304，server不返回body，客户端可以继续用cache，减少流量)，ETag）
反向代理缓存
应用端的缓存(memcache)
内存数据库
Buffer、cache机制（数据库，中间件等）
2) 索引
哈希、B树、倒排、bitmap...
Why we should not use protected static in java
I was going through this question Is there a way to override class variables in Java?
The first comment with 36 upvotes was:
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How to get unique values in an array
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Since I went on about it in the comments for @Rocket's answer, I may as well provide an example that uses no libraries. This requires two new prototype functions, contains and unique
Array.prototype.contains = function(v) {
for (var i...
RSA Public Key format
Where can i find some documentation on the format of an RSA public key?
3 Answers
3
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Why does range(start, end) not include end?
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Because it's more common to call range(0, 10) which returns [0,1,2,3,4,5,6,7,8,9] which contains 10 elements which equals len(range(0, 10)). Remember that programmers prefer 0-based indexing.
Also, consider the following com...
Example of Named Pipes
How do I write a simple--bare minimum needed for it to work--test application that illustrates how to use IPC/Named Pipes?
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