我是Ubuntu和Git的新手。如何验证我是否在我的机器上安装了git?当我尝试的时候我得到了:
root@ubuntu:/home/nebojsa# apt-get install git
Reading package lists... Done
Building dependency tree
Reading state information... Done
git is already the newest version.
The following packages were automatically installed and are no longer req
今天我反对一种新的查询优化问题。
我的问题是:
SELECT *
FROM sanrss
LEFT JOIN sanrum ON sanrum.sanrum___rforefide = sanrss.sanrss___rforefide AND sanrum.sanrum___rfovsnide = sanrss.sanrss___rfovsnide AND sanrum.sanrum___sanrsside = sanrss.sanrsside
LEFT JOIN sanact ON sanact.sanact___rforefide = sanrum.sanrum___rf
我用的是Ubuntu12.04。最近我不能再安装任何东西了。我总是收到以下错误消息:
Setting up linux-image-3.2.0-34-generic (3.2.0-34.53) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
Use of chdir('') or chdir(undef) as chdir() is deprecated at /var/lib/dpkg/inf/linux-image-3.2.0-34-generic.post
如果我有一个字符串数组,如何检查这个数组中的任何元素是否代表一个Linux命令!!
例如
declare -a array( 'clear' 'cp' 'hello this is a normal string' 'who')
谁将使用for t in "${array[@]} do if [.........] $arrayt #执行命令
谢谢你的考虑
当我跑的时候
perl -e 'which("clang")'
在Windows命令提示符中,我得到一个空行,但在Linux上我得到:
Undefined subroutine &main::which called at -e line 1.
我之所以问这个问题,是因为我试图弄清楚为什么which在OpenSSL构建脚本中不能工作:
# see if there is NDK clang on $PATH, "universal" or "standalone"
if (which("clang") =~
我正在尝试运行ghidra套件中的二进制文件。(实际上,我正在运行ghidra本身,但它无法在内部运行二进制文件)。
[nix-shell:~]$ ./ghidra/Ghidra/Features/Decompiler/os/linux64/decompile
bash: ./ghidra/Ghidra/Features/Decompiler/os/linux64/decompile: No such file or directory
我无论如何也找不出问题是什么:我读到库丢失会导致这种情况,而ldd报告libstdc++.so.6丢失了。在花了很大力气让libstdc++.so.6被拾取
我读过which,但是所有,但我不能真正理解其中的区别。我运行zsh 5.4.2在64位上。其中和哪里都是空壳建筑。
人们能指出哪里比哪一个更合适,反之亦然?
/home/shirish> zsh --version
zsh 5.4.2 (x86_64-debian-linux-gnu)
/home/shirish> type -a which
which is a shell builtin
which is /usr/bin/which
which is /bin/which
/home/shirish> type -a whence
whence is a shel