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What is a Java ClassLoader?
...pdate modules at runtime
Use different versions of an API library (e.g. an XML parser) in parallel
Isolate different applications running within the same JVM (ensuring they don't interfere with each other, e.g. through static variables)
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Prevent unit tests but allow integration tests in Maven
...kipping failsafe tests.
-DskipTests=true for skipping all tests.
The pom.xml is as follows:
<properties>
<skipTests>false</skipTests>
<skipITs>${skipTests}</skipITs>
<skipUTs>${skipTests}</skipUTs>
</properties>
<build>
<plu...
Where can I get Google developer key
...pplication that you have created can be used by your Web apps such as PHP, Python, ..., etc.
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How to discover number of *logical* cores on Mac OS X?
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This should be cross platform. At least for Linux and Mac OS X.
python -c 'import multiprocessing as mp; print(mp.cpu_count())'
A little bit slow but works.
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What data type to use for money in Java? [closed]
... 8, add the following reference implementation as a dependency to your pom.xml:
<dependency>
<groupId>org.javamoney</groupId>
<artifactId>moneta</artifactId>
<version>1.0</version>
</dependency>
This dependency will transitively add java...
How can I find all of the distinct file extensions in a folder hierarchy?
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My awk-less, sed-less, Perl-less, Python-less POSIX-compliant alternative:
find . -type f | rev | cut -d. -f1 | rev | tr '[:upper:]' '[:lower:]' | sort | uniq --count | sort -rn
The trick is that it reverses the line and cuts the extension at the beginnin...
Android Fragment lifecycle over orientation changes
...Changed dynamic weights, the following steps:
1 first set: AndroidManifest.xml in the activity attribute: android:configChanges= "keyboardHidden|orientation|screenSize"
To prevent screen switching, avoid re loading, so as to be able to monitor in onConfigurationChanged
2 rewrite activity or fragment...
Is there a difference between single and double quotes in Java?
...';
String s = "hello";
They cannot be used any other way around (like in Python, for example).
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What's wrong with using $_REQUEST[]?
...r example, I have a web service which can return responses in URLEncoding, XML or JSON. The application decides how to format the response by checking the HTTP_ACCEPT header, but can be coerced into one specifically by sending the format parameter.
When checking the content of the format parameter...
What is the preferred Bash shebang?
... use the shebang for any interpreted language on your system such as Perl, Python, PHP (CLI) and many others. By the way, the shebang
#!/bin/sh -
(it can also be two dashes, i.e. --) ends bash options everything after will be treated as filenames and arguments.
Using the env command makes your ...