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Given two directory trees, how can I find out which files differ by content?
...les in subdirs, for example rsync --options /usr /bin /var /sbin /lib /old_root will effectively compare current root / (by specifying all subdirs in it) and /old_root (containing for example some older backup of /), which is something diff -r can't do. And if you assume that files with same size, ...
How to delete the contents of a folder?
...bolic links, should work on Windows as well.
import os
import shutil
for root, dirs, files in os.walk('/path/to/folder'):
for f in files:
os.unlink(os.path.join(root, f))
for d in dirs:
shutil.rmtree(os.path.join(root, d))
...
Make Iframe to fit 100% of container's remaining height
...;
padding: 0px;
}
/* iframe's parent node */
div#root {
position: fixed;
width: 100%;
height: 100%;
}
/* iframe itself */
div#root > iframe {
display: block;
width: 100%;
height: 100%;
border...
Make the current commit the only (initial) commit in a Git repository?
....git/ always causes huge issues when I have submodules.
Using git rebase --root would somehow cause conflicts for me (and take long since I had a lot of history).
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Generating Guids in Ruby
...
To create a proper, mysql, varchar 32 GUID
SecureRandom.uuid.gsub('-','').upcase
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How to get domain URL and application name?
...n they will not be relative to the <base> anymore, but to the domain root instead.
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...eb服务器也是会出现大量的TIME_WAIT的情况的。
现在来说如何来解决这个问题，解决思路很简单，就是让服务器能够快速回收和重用那些TIME_WAIT的资源。
下面来看一下我们网管对/etc/sysctl.conf文件的修改：
#对于一个新建连...
How do I request a file but not save it with Wget? [closed]
... to make http requests to a fresh web server. I am doing this to warm the MySQL cache. I do not want to save the files after they are served.
...
How to generate XML file dynamically using PHP?
...5)
and we have to append this in the correct position. We are creating the root so we append this directly to the domdocument.
Note create element append the element to the node and return the node inserted, we save this reference to append the track nodes to the root node (incidentally called xml)....
Python error “ImportError: No module named”
...at was affecting it was that I had another Python version installed by the root, so if someone is working with a local installation of python, be sure that the Python installation that is running the programs is the local Python. To check this, just do which python, and see if the executable is the ...