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What is the difference between Collection and List in Java?
...
Collection is the root interface to the java Collections hierarchy. List is one sub interface which defines an ordered Collection, other sub interfaces are Queue which typically will store elements ready for processing (e.g. stack).
The fo...
How to see top processes sorted by actual memory usage?
...Djava.util.logging.config.file=/var/lib/tomcat7/conf/logging.properties -D
root 1284 1.5 3.7 452692 142796 tty7 Ssl+ 10:11 3:19 /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ciro 2286 0.3 3.8 1316000 143312 ? Sl 10:11 0:49 co...
How do I use JDK 7 on Mac OSX?
...java -version
You will find the Java installations in this folder at the root level of your drive (not in your home folder):
/Library/Java/JavaVirtualMachines
Each version from each vendor is found there, in a labeled nested folder. You can delete any installation simply by deleting the nest...
Simplest way to read json from a URL in java
...int data
JsonParser jp = new JsonParser(); //from gson
JsonElement root = jp.parse(new InputStreamReader((InputStream) request.getContent())); //Convert the input stream to a json element
JsonObject rootobj = root.getAsJsonObject(); //May be an array, may be an object.
String zipcod...
Case conventions on element names?
...been partial to PascalCase for Elements and camelCase for attributes:
<Root>
<ParentElement attributeId="1">
<ChildElement attributeName="foo" />
</ParentElement>
</Root>
share
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How to replace ${} placeholders in a text file?
I want to pipe the output of a "template" file into MySQL, the file having variables like ${dbName} interspersed. What is the command line utility to replace these instances and dump the output to standard output?
...
IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration d
...ight click on folder you need to give security permission to. This is the root folder where you application is published and is the same folder as your IIS website physical path. Choose properties from the context menu and click on the Security tab. Edit users, and then Add a user. Click the Loc...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...ger and it would again take a minute. I had suspected all sorts of things, mysql connections, Ruby versions, Rails bugs, Apache, Phusion Passenger. Until I finally looked at the Console and realized that DNS lookups were being attempted.
So, I put all of them on seperate lines:
127.0.0.1 localhost...
How do I do word Stemming or Lemmatization?
...A stemmer is supposed to turn inflected forms of words down to some common root. It's not really a stemmer's job to make that root a 'proper' dictionary word. For that you need to look at morphological/orthographic analysers.
I think this question is about more or less the same thing, and Kaarel's ...
What is the difference between GitHub and gist?
...ource code src, supporting documents ( markdown or html, or both ) docs or root, images png, ico, svg, and a config.sys file for running Yaml variables hosted on a Jekyll server.
Does a simple Gist file support Yaml front matter?
Me thinks not.
From the official GitHub Gist documentation ...
The...