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What is the iPad user agent?
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Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10
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How to make the 'cut' command treat same sequental delimiters as one?
... for parsing files where the separator is not whitespace (for example /etc/passwd) and that have a fixed number of fields. Two separators in a row mean an empty field, and that goes for whitespace too.
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泡在Stack Overflow答题30天 - 创意 - 清泛网 - 专注C/C++及内核技术
...何使用Stack Overflow的话，我的答案就是：打开网页，搜索问题，查看Stack Overflow的搜索结果，参...想法的萌芽
如果非要总结下我多年来是如何使用Stack Overflow的话，我的答案就是：打开网页，搜索问题，查看Stack Overflow的搜索结...
Node.js on multi-core machines
...pling between processes, have more sophisticated load-balancing decisions, etc.), but it is definitely more work to set up and the built-in cluster module is a low-complexity alternative that works for most people.
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Multithreading: What is the point of more threads than cores?
...ore than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other?
17 Answers
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Static linking vs dynamic linking
...g it all before it can be used (emptying most of the caches, hitting TLBs) etc. There was a time when this was considered slow.
So you would not have any benefit anymore.
I do not recall what OS (Solaris or FreeBSD) gave me problems with my Unix build system because I just wasn't doing this and w...
Best approach to remove time part of datetime in SQL Server
...es on internal storage
it extends to work out first day of month, tomorrow etc by changing "0" base
Edit, Oct 2011
For SQL Server 2008+, you can CAST to date i.e. CAST(getdate() AS date). Or just use date datatype so no time to remove.
Edit, Jan 2012
A worked example of how flexible this is: Ne...
分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...一台服务器来提供数据服务的时候，我会遇到如下的两个问题：1）一台服务器的性能不足以提供足够的能力服务于所有的网络...当我们在生产线上用一台服务器来提供数据服务的时候，我会遇到如下的两个问题：
1）一台服务...
How to turn off INFO logging in Spark?
...rk 1.5. RHEL 6. CDH 5.5. Tried creating new file /opt/cloudera/parcels/CDH/etc/spark/conf.dist/log4j.properties and changing like explained above. And also tried editing existing file /etc/spark/conf/log4j.properties. No effect for pyspark shell nor for pyspark-shell.
– Tagar
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Groovy executing shell commands
...ommand with env vars: envVars = ["P4PORT=p4server:2222", "P4USER=user", "P4PASSWD=pass", "P4CLIENT=p4workspace"]; workDir = new File("path"); cmd = "bash -c \"p4 change -o 1234\""; proc = cmd.execute(envVars, workDir);
– Noam Manos
Nov 5 '13 at 9:39
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