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Check free disk space for current partition in bash
...will have to do something like:
FREE=`df -k --output=avail "$PWD" | tail -n1` # df -k not df -h
if [[ $FREE -lt 10485760 ]]; then # 10G = 10*1024*1024k
# less than 10GBs free!
fi;
Also for an installer to df -k $INSTALL_TARGET_DIRECTORY might make more sense than df -k "$PWD"...
How to compare two strings in dot separated version format in Bash?
...comparison:
verlte() {
[ "$1" = "`echo -e "$1\n$2" | sort -V | head -n1`" ]
}
verlt() {
[ "$1" = "$2" ] && return 1 || verlte $1 $2
}
verlte 2.5.7 2.5.6 && echo "yes" || echo "no" # no
verlt 2.4.10 2.4.9 && echo "yes" || echo "no" # no
verlt 2.4.8 2.4.10 &&...
Remove the last line from a file in Bash
...name> bs=1 seek=$(echo $(stat --format=%s <filename> ) - $( tail -n1 <filename> | wc -c) | bc )
In words: Find out the length of the file you want to end up with (length of file minus length of length of its last line, using bc) and, set that position to be the end of the file (by d...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...广州的时候，Ray让我和春哥对Line和WhatsApp的心跳机制进行分析。我和春哥抓包测试了差不多两个多礼拜，在我们基本上摸清了Line和WhatsApp的心跳机制后，Ray才告诉我们真正的任务——对微信的固定心跳进行优化，并告诉我们这不...
Bash empty array expansion with `set -u`
... 4.4 (available in Debian stretch, for example).
$ bash --version | head -n1
bash --version | head -n1
GNU bash, version 4.4.0(1)-release (x86_64-pc-linux-gnu)
Now empty arrays expansion does not emits warning
$ set -u
$ arr=()
$ echo "${arr[@]}"
$ # everything is fine
...
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...ou change it to this, it will compile however, join T2 in db.tbl2 on new { N1 = T1.firstName, N2 = T1.secondName } equals new { N1 = T2.colFirst, N2 = T2.colSecond }
– user2023861
Oct 3 '13 at 13:56
...
Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
...ou have committed and have not changed anything since:
git log --oneline -n1 # this will give you the SHA
git checkout some-branch
git merge ${commit-sha}
If you have committed and then done extra work:
git stash
git log --oneline -n1 # this will give you the SHA
git checkout some-branch
git mer...
语音导游 · App Inventor 2 中文网
...加入 CloudDB，让多个人可以共同向地图添加地点。
教程分为“地图首页、地点详情页、照片画廊挑战、地图众包第一部分、地图众包第二部分”五个主章节，并保留细分步骤，方便按“下一步”逐页完成。
起始工程：语音导...
你真的了解熊市有多么可怕吗？ - 创意 - 清泛网 - 专注C/C++及内核技术
...会创新低，所有人对与消息都看成利空。
报纸出现“创多少多少年新低”“单日跌幅超过1929年大萧条美国股市”……
上证每天成交量只有50---100亿左右，不过当时200亿以上算天量了。呵呵，现在应该不容易见到了，并且国家...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...）特征表示
4.3、结构性特征表示
4.4、需要有多少个特征？
五、Deep Learning的基本思想
六、浅层学习（Shallow Learning）和深度学习（Deep Learning）
七、Deep learning与Neural Network
八、Deep learning训练过程
8.1、传统神...