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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...文件的工具名字叫Logstash，即本文的介绍重点。它使用JRuby编写，开源，主流，免费，使用简单（宇宙和平使者必备单品）。
2. Logstash部署架构
Logstash的理念很简单，它只做3件事情：
Collect：数据输入
Enrich：数据加工，如过...
Eliminate extra separators below UITableView
When I set up a table view with 4 rows, there are still extra separators lines (or extra blank cells) below the filled rows.
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Counting the number of elements with the values of x in a vector
I have a vector of numbers:
18 Answers
18
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Automatically enter SSH password with script
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First you need to install sshpass.
Ubuntu/Debian: apt-get install sshpass
Fedora/CentOS: yum install sshpass
Arch: pacman -S sshpass
Example:
sshpass -p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM
Custom port example...
Try/Catch block in PHP not catching Exception
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I just had this exact problem where it seemed like I had even copied the name of the exception and yet it didn't catch it. It turned out it was my stupid mistake but I thought I should post my case here in case there is someone else in the same situa...
Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23
referencing the play-services via gradle stopped working for me - boiled it down - even the sample I used as a reference in the first place stopped working:
https://plus.google.com/+AndroidDevelopers/posts/4Yhpn6p9icf
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Update statement with inner join on Oracle
I have a query which works fine in MySQL, but when I run it on Oracle I get the following error:
14 Answers
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How To Auto-Format / Indent XML/HTML in Notepad++
Is there a way to re-indent a block of code? I'm looking for something similar to Ctrl + Shift + F in Eclipse (Auto-Format/Indent).
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vagrant up failed, /dev/vboxnetctl: no such file or directory
Can be useful, I found this error. The common solution is reinstall virtualbox but there are a better way.
8 Answers
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Unable to run app in Simulator: Xcode beta 6 iOS 8
I am unable to launch my app on simulator using Xcode 6 beta and iPhone 5s simulator.
First I am getting an error message from Simulator
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