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How do I use a PriorityQueue?
How do I get a PriorityQueue to sort on what I want it to sort on?
12 Answers
12
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Base64 Java encode and decode a string [duplicate]
I want to encode a string into base64 and transfer it through a socket and decode it back.
6 Answers
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Calling shell functions with xargs
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EremiteEremite
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How can I propagate exceptions between threads?
We have a function which a single thread calls into (we name this the main thread). Within the body of the function we spawn multiple worker threads to do CPU intensive work, wait for all threads to finish, then return the result on the main thread.
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MySQL: Sort GROUP_CONCAT values
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
JavaScript global event mechanism
... error handling facility in JavaScript? The use case is catching function calls from flash that are not defined.
10 Answers...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...端口及IP的绑定情况。
13.查看操作系统版本及位数（32位或64位）
uname -a 命令可以查看Linux系统内核版本及系统位数（i386：32位，x86_64：64位）。
（清泛网会对此文进行持续整理、改进。）
Linux 命令 常用 netstat grep tar find
How to set JAVA_HOME in Linux for all users
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For all users, I would recommend placing the following line in /etc/profile
export JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:/bin/javac::")
This will update dynamically and works well with the alternatives system. Do not...
Omit rows containing specific column of NA
...# 2 2 10 33
EDIT: Only return rows with no NAs
If you want to eliminate all rows with at least one NA in any column, just use the complete.cases function straight up:
DF[complete.cases(DF), ]
# x y z
# 2 2 10 33
Or if completeFun is already ingrained in your workflow ;)
completeFun(DF, na...
onCreateOptionsMenu inside Fragments
...o RajSino Raj
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