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.war vs .ear file
...on their functionality
JAR:
EJB modules which contain enterprise java beans (class files) and EJB deployment descriptor are packed as JAR files with .jar extension
WAR:
Web modules which contain Servlet class files, JSP Files, supporting files, GIF and HTML files are packaged as a...
Group a list of objects by an attribute : Java
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In Java 8:
Map<String, List<Student>> studlistGrouped =
studlist.stream().collect(Collectors.groupingBy(w -> w.stud_location));
sha...
Creating java date object from year,month,day
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IBM API designers, JavaScript API designers. Other than that, probably nobody. Note that Calendar is now obsoleted by th the Java 8 java.time API, which does the right thing.
– JB Nizet
Sep 27 '17 at 6:55
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java.io.Console support in Eclipse IDE
I use the Eclipse IDE to develop, compile, and run my Java projects. Today, I'm trying to use the java.io.Console class to manage output and, more importantly, user input.
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How can I resize an image using Java?
I need to resize PNG, JPEG and GIF files. How can I do this using Java?
17 Answers
17
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What is the purpose of the single underscore “_” variable in Python?
... import gettext
gettext.bindtextdomain('myapplication', '/path/to/my/language/directory')
gettext.textdomain('myapplication')
_ = gettext.gettext
# ...
print(_('This is a translatable string.'))
2019 update: Added lambda. For a long time this answer only listed three use cases...
How to read XML using XPath in Java
I want to read XML data using XPath in Java, so for the information I have gathered I am not able to parse XML according to my requirement.
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How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
... According to CoverosGene's answer keytool supports it since Java 6. This is the link he provided
– Houtman
Dec 8 '14 at 11:58
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How to list the files inside a JAR file?
...s entry. */
...
}
}
}
else {
/* Fail... */
}
Note that in Java 7, you can create a FileSystem from the JAR (zip) file, and then use NIO's directory walking and filtering mechanisms to search through it. This would make it easier to write code that handles JARs and "exploded" directo...
Properties file in python (similar to Java Properties)
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pyjavaproperties seems to be an option if you don't want to use Jython: bitbucket.org/jnoller/pyjavaproperties
– Hans-Christoph Steiner
Nov 16 '11 at 19:46
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