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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
..."enter" the dir)
sudo chgrp -R _www ~/my/web/root (all web content is now group _www)
chmod -R go-rwx ~/my/web/root (nobody other than owner can access web content)
chmod -R g+rx ~/my/web/root (all web content is now readable/executable/enterable by _www)
All other solutions leave files open to o...
Reverse a string in Python
...TL;DR)
Example
### example01 -------------------
mystring = 'coup_ate_grouping'
backwards = mystring[::-1]
print backwards
### ... or even ...
mystring = 'coup_ate_grouping'[::-1]
print mystring
### result01 -------------------
'''
gnipuorg_eta_puoc
'''
Detailed Answer
Background
Thi...
Python Regex instantly replace groups
Is there any way to directly replace all groups using regex syntax?
2 Answers
2
...
How to get values from IGrouping
I have a question about IGrouping and the Select() method.
4 Answers
4
...
How to add Active Directory user group as login in SQL Server
...in the dialog box that pops up, pick the types of objects you want to see (Groups is disabled by default - check it!) and pick the location where you want to look for your objects (e.g. use Entire Directory) and then find your AD group.
You now have a regular SQL Server Login - just like when you...
MongoDB Aggregation: How to get total records count?
...llection->aggregate(array(
array('$match' => $document),
array('$group' => array('_id' => '$book_id', 'date' => array('$max' => '$book_viewed'), 'views' => array('$sum' => 1))),
array('$sort' => $sort),
// get total, AND preserve the results
array('$group' => ...
Return multiple columns from pandas apply()
...def sizes(s):
s['size_kb'] = locale.format("%.1f", s['size'] / 1024.0, grouping=True) + ' KB'
s['size_mb'] = locale.format("%.1f", s['size'] / 1024.0 ** 2, grouping=True) + ' MB'
s['size_gb'] = locale.format("%.1f", s['size'] / 1024.0 ** 3, grouping=True) + ' GB'
return s
df_test = ...
HTTPS setup in Amazon EC2
...t, you go to https://console.aws.amazon.com/ec2/ and click on the Security Groups link on the left, then create a new security group with also HTTPS available.
Then, just update the security group of a running instance or create a new instance using that group.
After these steps, your EC2 work is ...
Summarizing multiple columns with dplyr? [duplicate]
...ith the dplyr-syntax. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
...
Foreign Key to multiple tables
...
You could simply create two columns in Ticket, OwnedByUserId and OwnedByGroupId, and have nullable Foreign Keys to each table.
You could create M:M reference tables enabling both ticket:user and ticket:group relationships. Perhaps in future you will want to allow a single ticket to be owned by mu...