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Change the default editor for files opened in the terminal? (e.g. set it to TextEdit/Coda/Textmate)
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Most programs will check the $EDITOR environment variable, so you can set that to the path of ...
How to Free Inode Usage?
I have a disk drive where the inode usage is 100% (using df -i command).
However after deleting files substantially, the usage remains 100%.
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Pass column name in data.table using variable [duplicate]
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PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...先来生成一些测试数据：
<?php
ini_set('mongo.native_long', 1);
$instance = new Mongo();
$instance = $instance->selectCollection('test', 'test');
for ($i = 0; $i < 10; $i++) {
$instance->insert(array(
'group_id' => rand(1, 5),
'count' => rand(1, 5),
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jumpserver-华为云免费堡垒机解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中的SELINUX="" 为 disabled ，然后重启。
二、配置163源和依赖rpm
cd /etc/yum.repos.d/
mkdir bak
mv * /etc/yum.repos.d/bak/
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
yum clean all
yum makecache
如果是REHL需要修改
1.删除redhat原有的yum
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Large, persistent DataFrame in pandas
...lution is to read the file in smaller pieces (use iterator=True, chunksize=1000) then concatenate then with pd.concat. The problem comes in when you pull the entire text file into memory in one big slurp.
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How to make a valid Windows filename from an arbitrary string?
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How to make the first option of selected with jQuery
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971
$("#target").val($("#target option:first").val());
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How to compare two NSDates: Which is more recent?
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13 Answers
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