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How to import existing Git repository into another?
...atch.
Assume we have 2 git repositories foo and bar.
foo contains:
foo.txt
.git
bar contains:
bar.txt
.git
and we want to end-up with foo containing the bar history and these files:
foo.txt
.git
foobar/bar.txt
So to do that:
1. create a temporary directory eg PATH_YOU_WANT/patch-bar...
How do I move a file with Ruby?
... across drives, local and remote, eg <code>File.rename 'c:/test/test.txt', 'e:/test.txt'</code>, what OS do you use ?
– peter
Jan 25 '13 at 10:23
...
How do I rename all files to lowercase?
...
Be careful. If you have files named foo.txt and FOO.TXT, this could clobber one of them.
– Keith Thompson
Oct 16 '11 at 21:10
1
...
Loop through all the files with a specific extension
...
Loop through all files ending with: .img, .bin, .txt suffix, and print the file name:
for i in *.img *.bin *.txt;
do
echo "$i"
done
Or in a recursive manner (find also in all subdirectories):
for i in `find . -type f -name "*.img" -o -name "*.bin" -o -name "*.txt"`;
d...
How can I pipe stderr, and not stdout?
...issing? ls -l not_a_file 3>&1 1>&2 2>&3 > errors.txt
– user48956
Feb 27 '14 at 3:34
1
...
What does enctype='multipart/form-data' mean?
...e bytes 61 CF 89 62 in UTF-8.
Create files to upload:
echo 'Content of a.txt.' > a.txt
echo '<!DOCTYPE html><title>Content of a.html.</title>' > a.html
# Binary file containing 4 bytes: 'a', 1, 2 and 'b'.
printf 'a\xCF\x89b' > binary
Run our little echo server:
whil...
How do I pipe or redirect the output of curl -v?
...an use a redirect:
curl https://vi.stackexchange.com/ -vs >curl-output.txt 2>&1
Please be sure not to flip the >curl-output.txt and 2>&1, which will not work due to bash's redirection behavior.
share
...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ines of: 如果不用with语句，代码如下：
file = open("/tmp/foo.txt")
data = file.read()
file.close()
There are two annoying things here. First, you end up forgetting to close the file handler. The second is how to handle exceptions that may occur once the file handler has been obtaine...
OS X: equivalent of Linux's wget
...instance Ubuntu on an AWS instance, use:
wget http://example.com/textfile.txt
On a Mac, i.e. for local development, use this:
curl http://example.com/textfile.txt -o textfile.txt
The -o parameter is required on a Mac for output into a file instead of on screen. Specify a different target name ...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...p /data/mongodbtest
#进入mongodb文件夹
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.tgz
4、分别在每台机器建立mongos 、config ...