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How to assign the output of a command to a Makefile variable
I need to execute some make rules conditionally, only if the Python installed is greater than a certain version (say 2.5).
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Using socket.io in Express 4 and express-generator's /bin/www
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A little different approach to initiate socket.io, it groups all related code in one place:
bin/www
/**
* Socket.io
*/
var socketApi = require('../socketApi');
var io = socketApi.io;
io.attach(server);
socketApi.js
var socket_io = require('socket.io');
var io = socket_io();
var ...
Spinlock versus Semaphore
...ck (or, the other way around, a lock is a special case of a semaphore). Usually, but not necessarily, spinlocks are only valid within one process whereas semaphores can be used to synchronize between different processes, too.
A lock works for mutual exclusion, that is one thread at a time can acqui...
How to use a WSDL
... of the defined methods on the WSDL contract.
Instantiate the client and call the methods you want to call - that's all there is!
YourServiceClient client = new YourServiceClient();
client.SayHello("World!");
If you need to specify the remote URL (not using the one created by default), you can e...
Extract a regular expression match
...
Use the new stringr package which wraps all the existing regular expression operates in a consistent syntax and adds a few that are missing:
library(stringr)
str_locate("aaa12xxx", "[0-9]+")
# start end
# [1,] 4 5
str_extract("aaa12xxx", "[0-9]+")
# [1]...
How do I use method overloading in Python?
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It's method overloading not method overriding. And in Python, you do it all in one function:
class A:
def stackoverflow(self, i='some_default_value'):
print 'only method'
ob=A()
ob.stackoverflow(2)
ob.stackoverflow()
You can't have two methods with the same name in Python -- ...
How bad is shadowing names defined in outer scopes?
I just switched to Pycharm and I am very happy about all the warnings and hints it provides me to improve my code. Except for this one which I don't understand:
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When creating HTML emails, should we use html, head, body tags?
In my email views, I usually just do something like...
6 Answers
6
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Single Sign On across multiple domains [closed]
...hat manages the logins.
Each client domain has the script client_login.php
All the domains have a shared user session database.
When the client domain requires the user to be logged in, it redirects to the master domain (login.mydomain.com/master_login.php). If the user has not signed in to the mast...
What is the correct file extension for GLSL shaders? [closed]
...g which identifies the general class of a file. They should have probably called them vertex.glsl and fragment.glsl.
– Autodidact
Oct 11 '13 at 14:39
5
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