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Using ls to list directories and their total sizes
...xr-xr-x 2 root root 4.0K Feb 12 16:43 cgi-bin
drwxrws--- 6 root www 20M Feb 18 11:07 document_root
drwxr-xr-x 3 root root 1.3M Feb 18 00:18 icons
drwxrwsr-x 2 localusr www 8.0K Dec 27 01:23 passwd
...
docker mounting volumes on host
...# docker inspect myapp
[{
.
.
.
"Volumes": {
"/var/www": "/var/lib/docker/vfs/dir/b3ef4bc28fb39034dd7a3aab00e086e6...",
"/var/cache/nginx": "/var/lib/docker/vfs/dir/62499e6b31cb3f7f59bf00d8a16b48d2...",
"/var/log/nginx": "/var/lib/docker/vfs/dir/71896ce364ef91...
How do I filter ForeignKey choices in a Django ModelForm?
...cess) is to subclass the ModelAdmin and then alter the methods below. The net result is a user interface that ONLY shows them content that is related to them, while allowing you (a super-user) to see everything.
I've overridden four methods, the first two make it impossible for a user to delete an...
CSS – why doesn’t percentage height work? [duplicate]
...e it, just set equal paddings to half the width you want the box: jsfiddle.net/en9xyv30/1 If you want content in the box, it'll likely need to be absolutely positioned -- just set top, right, bottom, and left all to 0 (or the same value other than 0 if you want some padding) and the content will res...
How do I get a YouTube video thumbnail from the YouTube API?
... Just in case anyone else makes this dumb mistake - you can't use http://www.img.youtube.com, only http://img.youtube.com
– Ciaran Phillips
Nov 5 '13 at 15:04
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How to use Python to login to a webpage and retrieve cookies for later usage?
...code({'username' : username, 'j_password' : password})
opener.open('http://www.example.com/login.php', login_data)
resp = opener.open('http://www.example.com/hiddenpage.php')
print resp.read()
resp.read() is the straight html of the page you want to open, and you can use opener to view any page us...
How to convert .crt to .pem [duplicate]
...
You can do this conversion with the OpenSSL library
http://www.openssl.org/
Windows binaries can be found here:
http://www.slproweb.com/products/Win32OpenSSL.html
Once you have the library installed, the command you need to issue is:
openssl x509 -in mycert.crt -out mycert.pem -o...
How to format code in Xcode? [duplicate]
...o many features to list here but could well be worth checking out
http://www.jetbrains.com/objc/features/index.html
http://www.jetbrains.com/objc/
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How to create user for a db in postgresql? [closed]
...
Create the user with a password :
http://www.postgresql.org/docs/current/static/sql-createuser.html
CREATE USER name [ [ WITH ] option [ ... ] ]
where option can be:
SUPERUSER | NOSUPERUSER
| CREATEDB | NOCREATEDB
| CREATEROLE | NOCREATEROLE
| C...
app inventor什么时候需要用到字典块？ - App Inventor 2 中文网 - 清泛网 ...
...操作，建议优先使用字典。更多用法请查看文档：https: www fun123 cn referen 列表能完成字典的绝大部分功能，不过字典具有比列表更好的查找性能，因此如果要对数据结构执行大量的操作，建议优先使用字典。
更多用法请查看...