Multiple-instances are two or more programs which share the same code and run at the same time
Questions tagged [multiple-instances]
1018 questions
10
votes
1 answer
How to use multiple Active Admin instances for Complete Separate Models
I have 2 models:
Users
Suppliers
and I want to provide 2 isolated Active Admin interfaces.
They both have devise routes:
devise_for :users, ActiveAdmin::Devise.config
devise_for :suppliers, ActiveAdmin::Devise.config (can I somehow say…

stonehz
- 128
- 1
- 7
9
votes
2 answers
Which of the below Mutex expressions ideally prevents multiple instances of .Net application and what is the difference?
Typically I see these two pieces of code all around. Both works in my case too, but which should I stick to?
Case 1:
bool isNew = false;
Mutex mutex = new Mutex(true, "MyApp_Mutex", out isNew);
if (!isNew)
{
MessageBox.Show("already running.",…

nawfal
- 70,104
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- 368
9
votes
1 answer
Nested forms with django
I have functionality where i need to implement nested django forms with the below models
class Publisher(models.Model):
name = models.CharField(max_length=256)
address1 = models.CharField(max_length=256)
address2 =…

Shiva Krishna Bavandla
- 25,548
- 75
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- 313
8
votes
2 answers
Javascript str.search() multiple instances
How can I retrieve multiple indexes from multiple instances of a string search?
var str = "food";
var index1 = str.search("o"); // 1
var index2 = str.search("o"); // ?
Thanks much,
Wen

Wenn
- 339
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8
votes
8 answers
Restrict multiple instances of an application in java
I want to prevent multiple instances of application being launched in java. I know 2 methods for this:
locking file
locking socket
But which is one is more efficient and good to use? Which one should I use?
Any other solution to do the same are…

Harry Joy
- 58,650
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8
votes
2 answers
Android - How to create Multiple instances of an Activity?
I was wondering is it possible to create multiple instances of a single Activity in Android?
I currently start my own inCall screen for a Voip Test by using the following code:
public void initInCallScreen(String pName, String phoneNumber, int…

Donal Rafferty
- 19,707
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7
votes
1 answer
JQuery plugin not working when used multiple times in a page
I am trying to write a JQuery plugin called grid2carousel which takes some content in a Bootstrap-style grid on desktop devices and becomes a carousel on smaller screens.
The plugin works fine if it is the only instance of it on a page but runs into…

James Howell
- 1,392
- 5
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- 42
7
votes
1 answer
Visual Studio 2015 'New Window'/Multiple Instances for HTML files
Visual Studio 2015 has the "New Window" button and "Window|New Window" menu item disabled for HTML files. I need this feature enabled.
I've found ways to do it for VS 2010, but not for VS 2015. Any suggestions?

BRebey
- 671
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7
votes
1 answer
Debugging two projects in two instances of Visual Studio at the same time
When I try to open two projects in two different instances of Visual Studio and run both of them locally in debug mode at the same time (say, a web application and the backend WebService that it uses) I get the error "Unable to start debugging on…

Hypersapien
- 617
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7
votes
0 answers
How to run multiple instances of Jenkins under one instance of Tomcat?
On a Windows 2008 R2 box, I've installed the latest 64-bit JRE, and Tomcat 7.0. I'm trying to host two instances of Jenkins within this single Tomcat instance. I've created context descriptor files in the conf/Catalina/localhost/ folder to set…

Ants
- 2,628
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- 35
7
votes
1 answer
How stable are multiple instances of R when one instance is running an external program?
I am running an external program via R that is pretty memory hungry and can take >8 hours to run. I'd like to open up another instance of R to do other tasks but am concerned about crashing the external program and having to restart the process. …

N Brouwer
- 4,778
- 7
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- 35
6
votes
3 answers
Are static variables in functions in PHP global across instances?
If I have code which uses a static variable for caching purposes like this:
class BossParty
{
// ...
public function getTemplate()
{
static $template;
if ($template == null)
{
$template =…

Aistina
- 12,435
- 13
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- 89
6
votes
2 answers
Multiple instances of Silverlight gallery
I wanted to try was to make an asp website which would include pictures in multiple Silverlight galleries. The reason why I want to do this is that I want something in this fashion:
Text describing some places.
Gallery with several pictures that are…

Euqil
- 391
- 1
- 10
6
votes
2 answers
changing default my.cnf path in mysql
I am having two mysql instances on same machine. The installations are on /usr/loca/mysql1 and /usr/local/mysql2.
I m having separate my.cnf files located in /etc/mysql1 and /etc/mysql2. I installed the first instance of my sql using source…

user377941
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- 1
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6
votes
2 answers
Installing multiple Jenkins instances on same Windows machine caused issues
I recently saw a blog, which suggested two instances of Jenkins can run on same Windows machine: Two Guys Arguing, Pro Tips: Run Multiple Jenkins CI Servers on a Single Machine.
But rather than deploying the jenkins.war, I actually installed another…

sandejai
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