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What are Runtime.getRuntime().totalMemory() and freeMemory()?
...e. The value returned by this method may vary over time, depending on the host environment.
Note that the amount of memory required to hold an object of any given type may be implementation-dependent.
maxMemory()
Returns the maximum amount of memory that the Java virtual machine will attempt to u...
OAuth secrets in mobile apps
...uth.
If you think about it and ask the question why we have secrets, is mostly for provision and disabling apps. If our secret is compromised, then the provider can only really revoke the entire app. Since we have to embed our secret in the desktop app, we are sorta screwed.
The solution is to h...
Stack smashing detected
...-protector while compiling. In that case you will get a different error, most likely a segmentation fault as you are trying to access an illegal memory location. Note that -fstack-protector should always be turned on for release builds as it is a security feature.
You can get some information abo...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...ith a Raspberry Pi. When we potentially recover the Raspberry Pi, it will most likely be in a rural location and I'd like to turn off the Pi at that point safely.
...
Multiprocessing - Pipe vs Queue
... want to spawn two processes and send messages between them as quickly as possible. These are the timing results of a drag race between similar tests using Pipe() and Queue()... This is on a ThinkpadT61 running Ubuntu 11.10, and Python 2.7.2.
FYI, I threw in results for JoinableQueue() as a bonus;...
Protecting executable from reverse engineering?
...din). Caveats though - their API sucks, documentation sucks, and both of those are great in comparison to their SDK tools.
I've used their hardware protection method (Sentinel HASP HL) for many years. It requires a proprietary USB key fob which acts as the 'license' for the software. Their SDK enc...
Start / Stop a Windows Service from a non-Administrator user account
...tart/Stop this particular service. My service runs on a variety of Windows OS, starting from Windows Server 2003 to Windows 7.
...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...nd tasks was considered best practice, even in ASP.NET, but then I came across this article that seems to suggest otherwise - the argument being that you should leave the ThreadPool to deal with ASP.NET related requests.
...
Which iomanip manipulators are 'sticky'?
...ode the following manipulators return an object rather than a stream:
setiosflags
resetiosflags
setbase
setfill
setprecision
setw
This is a common technique to apply an operation to only the next object that is applied to the stream. Unfortunately this does not preclude them from being sticky. Te...
Override Java System.currentTimeMillis for testing time sensitive code
....currentTimeMillis , other than manually changing the system clock on the host machine?
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