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How to find Unused Amazon EC2 Security groups
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Note: this only considers security use in EC2, not other services like RDS. You'll need to do more work to include security groups used outside EC2. The good thing is you can't easily (might not even be possible) to delete active security groups if you miss one associated w/anot...
How to avoid reverse engineering of an APK file?
...ad when decompiled, if not impossible.
Move the most critical parts of the service out of the app, and into a webservice, hidden behind a server side language like PHP. For example, if you have an algorithm that's taken you a million dollars to write. You obviously don't want people stealing it out ...
OpenID vs. OAuth [duplicate]
...estrict what information is flowing from authentication party(facebook) to service provider(stackoverflow). In OpenID we simply give a certificate symbolizing the person as legal and give access to whole database. Since stackoverflow or askubuntu belong to same domain they can exchange certificates ...
postgresql port confusion 5433 or 5432?
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/etc/services is only advisory, it's a listing of well-known ports. It doesn't mean that anything is actually running on that port or that the named service will run on that port.
In PostgreSQL's case it's typical to use port 543...
Virtualbox “port forward” from Guest to Host [closed]
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If using NAT for the guest... If the service that is running on the host is bound to 127.0.0.1 only, then the guest cannot use the public ip of the host to connect to that service (example service: privoxy). Instead you need to use 10.0.2.2 as mentioned by Mark...
How to refresh app upon shaking the device?
... /* do this in onCreate */
mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
mSensorManager.registerListener(mSensorListener, mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL);
mAccel = 0.00f;
mAccelCurrent = Sen...
Hudson vs Jenkins in 2012 [closed]
...awaguchi (the creator of Hudson) now works. Cloudbees now even have a free service for hosting GitHub hosted projects in their cloud. They let your OSS projects build for free! :)
Jenkins has improved it's support for the cloud. As mentioned above, Cloudbees also provide this SaaS in the cloud. I a...
When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
... @Component is a Spring bean and a Singleton.
If the class belongs to the service layer you may want to annotate it with @Service instead
But have in mind that in order for these annotations to be detected, you need to place this line in applicationContext.xml:
<context:component-scan base-pac...
How do the major C# DI/IoC frameworks compare? [closed]
...ke interception
and generic decorators.
You can also try using the Common Service Selector Library and hopefully try multiple options and see what works best for you.
Some informtion about Common Service Selector Library from the site:
The library provides an abstraction over IoC containers and se...
Maximum number of items that can be serialized or deserialized in an o...
...修改如下相应的WCF配置，即可解决。
服务器端：
<system.serviceModel>
<behaviors>
<serviceBehaviors>
<behavior name="ServiceBehavior">
<serviceMetadata httpGetEnabled="true"/>
<serviceDebug includeExceptionDetailInFaults="true"/>
...