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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...来，开发人员学习成本会大大减少。如果再对底层的sql API做一层封装，开发基本可以感觉不到mongodb和关系型数据库的区别。同样MongoDB也是号称自己能够快速搭建一个高可用可扩展的的分布式集群，网上有很多搭建的文章，在我...
How to change the Text color of Menu item in Android?
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One simple line in your theme :)
<item name="android:actionMenuTextColor">@color/your_color</item>
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What is a regular expression for a MAC Address?
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The standard (IEEE 802) format for
printing MAC-48 addresses in
human-friendly form is six groups of
two hexadecimal digits, separated by
hyphens - or colons :.
So:
^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$
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Java Embedded Databases Comparison [closed]
I intend to develop a small (Java) application for managing my finances. I believe I need to use an embedded database, but I have no experience regarding this issue. I tried to look at some of the available products , but I can't decide which one would be more suitable for me. H2 , HSQLDB , Derb...
C++ Const Usage Explanation
Can someone explain the usage of each of the const?
12 Answers
12
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Why aren't variable-length arrays part of the C++ standard?
...bout this kicked off in usenet: Why no VLAs in C++0x.
I agree with those people that seem to agree that having to create a potential large array on the stack, which usually has only little space available, isn't good. The argument is, if you know the size beforehand, you can use a static array. An...
How do I hide an element on a click event anywhere outside of the element?
...is the correct way of hiding visible elements when clicked anywhere on the page.
20 Answers
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How to remove multiple deleted files in Git repository
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git add -u
updates all your changes
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How to recursively download a folder via FTP on Linux [closed]
I'm trying to ftp a folder using the command line ftp client, but so far I've only been able to use 'get' to get individual files.
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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I don't think it is possible. You can reuse "node" but not part of it.
bill-to: &id001
given : Chris
family : Dumars
ship-to: *id001
This is perfectly valid YAML and fields given and family are reused in ship-to block. You can r...