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How do I reverse a C++ vector?
...se vector of vectors? I want v[0] to be swapped with v[v.size()-1] and the order of v[0][i] element remain as it is. This is similar to changing order of rows (if a vector is viewed as a Matrix). If a vector is defined as: vector<vector<int> > v; reverse(v.begin(), v.end()) doesn't rever...
How should a model be structured in MVC? [closed]
...alidate data before sending an invoice, or to compute the total cost of an order. At the same time, Domain Objects are completely unaware of storage - neither from where (SQL database, REST API, text file, etc.) nor even if they get saved or retrieved.
Data Mappers
These objects are only responsibl...
In what order are Panels the most efficient in terms of render time and performance?
...n this area. The Arrangement pass is simply, just laying out the items in order. Probably the second-best performance for this pass. Medium performance for the measure pass and fast performance for the layout pass.
VirtualizingPanel
Provides a framework for Panel elements that virtualize the...
Lost httpd.conf file located apache [closed]
...
$ /usr/sbin/apache2 -V | grep SERVER_CONFIG_FILE
-D SERVER_CONFIG_FILE="/etc/apache2/apache2.conf"
Reference:
http://commanigy.com/blog/2011/6/8/finding-apache-configuration-file-httpd-conf-location
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How can I restore /etc/nginx? [closed]
By mistake I have removed /etc/nginx directory in my ubuntu 11.10 PC. How can I restore the ngnix directory in /etc/nginx ?
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Converting Dictionary to List? [duplicate]
I'm trying to convert a Python dictionary into a Python list, in order to perform some calculations.
7 Answers
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Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
..., you have to create a new stacking context to change the default stacking order.
Positioning the pseudo-element (absolute) and assigning a z-index value other than “auto” creates the new stacking context.
#element {
position: relative; /* optional */
width: 100px;
height: ...
Is it worth using Python's re.compile?
....compile. If we call it, we bypass the cache. It turns out to be about two orders of magnitude slower for a basic regular expression, such as r'\w+\s+([0-9_]+)\s+\w*'.
Here's my test:
#!/usr/bin/env python
import re
import time
def timed(func):
def wrapper(*args):
t = time.time()
...
How can I check if a var is a string in JavaScript?
... there is no function form of typeof, you're just controlling order of operations with those parentheses. Some people may find it more readable in certain circumstances.
– Jon z
Oct 19 '16 at 21:33
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Node.js + Nginx - What now?
... is what I have done in my Ubuntu box:
Create the file yourdomain.com at /etc/nginx/sites-available/:
vim /etc/nginx/sites-available/yourdomain.com
In it you should have something like:
# the IP(s) on which your node server is running. I chose port 3000.
upstream app_yourdomain {
server 12...
