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Installing older version of R package
...can just do:
R CMD INSTALL ggplot2_0.9.1.tar.gz
That should work on any platform (with the same caveat - as above - about needing a tool chain for building packages).
[1]This is no longer entirely true. From March 2016, CRAN has started hosting a "CRAN Archive" server that contains Windows and...
How do I check CPU and Memory Usage in Java?
...the -verbose:gc output is subject
to change between releases of the J2SE platform. For example, here is
output from a large server application:
[GC 325407K->83000K(776768K), 0.2300771 secs]
[GC 325816K->83372K(776768K), 0.2454258 secs]
[Full GC 267628K->83769K(776768K), 1.8479984 secs]...
How to identify server IP address in PHP
...PI module, this was written before the major advent of FastCGI as a stable platform.
– Rudi Visser
Jul 21 '12 at 17:54
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Controlling a USB power supply (on/off) with Linux
...se laser is off, keyboard cant type, modem stops blinking - all good on my platform
– eri
Sep 19 '16 at 1:17
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How to replace ${} placeholders in a text file?
...subst is a GNU utility, and therefore not preinstalled or available on all platforms.
– mklement0
Mar 25 '15 at 18:11
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What are WSDL, SOAP and REST?
...th have their own different functionality.
Why we use SOAP and WSDL: For platform independent data exchange.
EDIT: In a normal day to day life example:
WSDL: When we go to a restaurant we see the Menu Items, those are the WSDL's.
Proxy Classes: Now after seeing the Menu Items we make up our Min...
Calling JMX MBean method from a shell script
...mi:///jndi/rmi://localhost:9003/jmxrmi'
String beanName = "com.webwars.gameplatform.data:type=udmdataloadsystem,id=0"
def server = JmxFactory.connect(new JmxUrl(serverUrl)).MBeanServerConnection
def dataSystem = new GroovyMBean(server, beanName)
println "Connected to:\n$dataSystem\n"
println "Exec...
How to pass an object from one activity to another on Android
...sing serializable is OK, but it's not performance-efficient on the Android platform.
Parcelable is specifically designed for Android and you should use it. Here is a simple example: Passing custom objects between Android activities
You can generate Parcelable code for you class using this site.
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Converting a Uniform Distribution to a Normal Distribution
...er available methods.
Ziggurat is fine, but needs a table lookup (and some platform-specific tweaking due to cache size issues)
Ratio-of-uniforms is my favorite, only a few addition/multiplications and a log 1/50th of the time (eg. look there).
Inverting the CDF is efficient (and overlooked, why ?),...
Git keeps prompting me for a password
...l a password cache helper. I mostly just wanted to post the link for other platforms, and not just Mac. I'm running a Linux server and this was helpful: Caching your GitHub password in Git
For Mac:
git credential-osxkeychain
Windows:
git config --global credential.helper wincred
Linux:
git c...