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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...种种原因，HandlerSocket并没有真正流行起来，不过庆幸的是MySQL官方受其启发，研发了基于InnoDB的Memcached插件，总算是在MySQL中延续了NoSQL的香火，以前单独架设Memcached服务器不仅浪费了内存，而且还必须自己维护数据的不一致问...
How do I create an HTML table with a fixed/frozen left column and a scrollable body?
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This doesn't handle arbitrary labels. Unless you have very predictably short labels, you will get this: jsfiddle.net/YMvk9/3724
– AaronLS
Mar 10 '14 at 22:05
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How exactly does tail recursion work?
... acc * n);
}
into something like this:
int fac_times (int n, int acc) {
label:
if (n == 0) return acc;
acc *= n--;
goto label;
}
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Declaring a custom android UI element using XML
...>
Reference the custom view using the fully qualified name.
Android LabelView Sample
If you want a complete example, look at the android label view sample.
LabelView.java
TypedArray a=context.obtainStyledAttributes(attrs, R.styleable.LabelView);
CharSequences=a.getString(R.styleable.Labe...
了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
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缺乏定义良好的、用于处理文件系统操作的库，这一直是 C++ 语言存在的一个问题。过去，程序员必须使用本机 API 来解决此问题。通过本文您将了解一个提供安全、可移植且易用的 C++ 接口来促进文件系统操作的库：Boost Filesys...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...望去学习新知识的那种动力，可能在大多数的人眼里，php是专为web而生，做wep app是一流的快速好用，并极易简单和容易上手，做起web所需的各项功能可能是分分钟搞定，然后做socket了？可能就觉得不屑一顾了，好像是不务正业...
Create a matrix of scatterplots (pairs() equivalent) in ggplot2
...facet_wrap(.xkey ~ .ykey, ncol = length(unique(.$.ykey)), scales = 'free', labeller = label_both) +
scale_color_brewer(type = 'qual')
}
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How to find if div with specific id exists in jQuery?
...f($("#" + name).length == 0) {
$("div#chatbar").append("<div class='labels'><div id='" + name + "' style='display:none;'></div>" + name + "</div>");
} else {
alert('this record already exists');
}
});
Or, the non-jQuery version for this part (since it's an ID):
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What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...depot. You can tell it to rollback to a specific revision, changelist, or label. The files are restored to the state they were in at the time of creation of that revision, changelist, or label.
In the case of "Back Out Submitted Changelist #####", the restore operation is restricted to the files ...
“二孩”遇上母婴产业 创业者必读的数据干货 - 资讯 - 清泛网 - 专注C/C++...
...示了四种不同类型企业的母婴产业思路及不同特征。
一是以BAT为代表的互联网巨头，加速母婴领域布局。百度在2014年上线母婴健康类应用“宝宝知道”，2015年以1.5亿美元领投领投母婴电商“蜜芽宝贝”D轮(详见钛媒体此前报道...