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How to implement the Android ActionBar back button?
...his) requires you to define the parent activity in the AndroidManifest.xml file
<activity android:name="com.example.ServicesViewActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.ParentActivity" />
</activity>
See here ...
throwing exceptions out of a destructor
...od can potentially throw an exception.
The destructor calls close() if the file has been opened but makes sure that any exceptions do not propagate out of the destructor.
So if the user of a file object wants to do special handling for problems associated to closing the file they will manually call ...
Entity Framework 4 vs NHibernate [closed]
...es you to use the UnitOfWork pattern, plus mappings aren't jammed into one file. My opinion (from experience) is that NHibernate is more performant. Disagree with me on that, but I did say that was my opinion. My point in my answer is STILL valid, they BOTH have their strengths and weaknesses. No on...
How to use multiple @RequestMapping annotations in spring?
...<mvc:view-controller path="/" view-name="welcome"/>
in your config file. That will forward all requests to the Root to the welcome view.
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What ports does RabbitMQ use?
...r might be differently if changed by someone in the rabbitmq configuration file:
vi /etc/rabbitmq/rabbitmq-env.conf
Ask the computer to tell you:
sudo nmap -p 1-65535 localhost
Starting Nmap 5.51 ( http://nmap.org ) at 2014-09-19 13:50 EDT
Nmap scan report for localhost (127.0.0.1)
Host is up (...
Why don't they teach these things in school? [closed]
...theory.
The good schools teach both theory (data structures, algorithms, etc.) as well as practice (unit testing, version control, etc.). This requires an appropriate mixture of faculty so that both sides of this coin can be properly taught. A faculty composed entirely of theoretical types with ...
Code coverage with Mocha
...just change the test script inside the scripts object of your package.json file to execute code coverage of your mocha tests:
{
"scripts": {
"test": "nyc --reporter=text mocha"
}
}
Run
Now run your tests
npm test
and you will see a table like this in your console, just after your test...
Differences between distribute, distutils, setuptools and distutils2?
..._resources Python package that can be imported in your code to locate data files installed with a distribution. One of its gotchas is that it monkey-patches the distutils Python package. It should work well with pip. It sees regular releases.
Official docs | Pypi page | GitHub repo | setuptools se...
Understanding ibeacon distancing
...asurement, you always get different results (because of noise, distortion, etc) and very often results form Gaussian distribution. There are two main parameters describing Gaussian curve:
mean (which is easy to understand, it's value for which peak of the curve occurs).
standard deviation, which s...
Hash collision in git
...
The chance that a random commit of an actual text file collides is as good as zero, very unlikely. But this answer completely skips over the fact that somebody could try and deliberately create a collision. With the SHA-1 hash under attack, that is becoming a rather importan...