Tutorial by Examples: o

For the most of it, if you know NPM, you’re already set! That adds a ‘package.json’ file in the root of your project npm init === yarn init These are all the same: npm link === yarn link npm outdated === yarn outdated npm publish === yarn publish npm run === yarn run npm cache clean === ya...

Almost any controller needs some external dependencies to work. Here is a way to configure a dependency object (or its factory) and pass it to a controller. Doing so will help to sustain a separation of concerns, keep code clear and testable. Say, we have an interface and its implementation that...

BeautifulSoup allows you to filter results by providing a function to find_all and similar functions. This can be useful for complex filters as well as a tool for code reuse. Basic usage Define a function that takes an element as its only argument. The function should return True if the argument m...

To illustrate how to use regr_slope(Y,X), I applied it to a real world problem. In Java, if you don't clean up memory properly, the garbage can get stuck and fill up the memory. You dump statistics every hour about memory utilization of different classes and load it into a postgres database for anal...

Lets first understand the problem, consider this figure- We want to calculate ϴ, where we know A, B & O. Now, if we want to get ϴ, we need to find out α and β first. For any straight line, we know- y = m * x + c Let- A = (ax, ay), B = (bx, by), and O = (ox, oy). So for the line OA- oy =...

Content Negotiation can be defined as the process of selecting best representation for a given resource. So Content negotiation means the client and server can negotiate between them so that client can get data according to their required format. There are three points on which internet depends, ...

ls() includes a type flag, which lets you find scene nodes of a particular type. For example: cameras = cmds.ls(type='camera') // [u'topShape', u'sideShape', u'perspShape', u'frontShape'] You can search for multiple types in the same call: geometry = cmds.ls(type=('mesh', 'nurbsCurve', 'nu...

/** * Runs user-specified code when the given javascript object is garbage collected */ template<class CALLBACK_FUNCTION> void global_set_weak(v8::Isolate * isolate, const v8::Local<v8::Object> & javascript_object, CALLBACK_FUNCTION function) { struct SetWeakCallbackData{...

By implementing your custom IScopeAccessor you can create different types of scopes. For the following example I have the two classes Foo and Bar in which Bar will be registered with a custom LifeStyle. Each have an Id to assist with testing public class Foo { public Guid FooId { get; } = G...

In order to typeset text in bold, use \textbf: \textbf{This text is typeset in bold.}

Define a new basic command A macro can be defined using \newcommand. For example: \newcommand{\foo}{Just foo, you see?} defines a macro \foo that expands to Just foo, you see?. It can then be used like any built-in command, for example after that definition: He said: ``\foo'' expands to He...

# create a window with a button that closes the window when clicked window = cmds.window(title='example window') # create the window layout = cmds.columnLayout(adjustableColumn=True) # add a vertical layout def close_window(*_): cmds.deleteUI(window) # delet...

Basic printing std::ostream_iterator allows to print contents of an STL container to any output stream without explicit loops. The second argument of std::ostream_iterator constructor sets the delimiter. For example, the following code: std::vector<int> v = {1,2,3,4}; std::copy(v.begin(), v...

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To invalidate your old data and restart existing loader you can use restartLoader() method: private void reload() { getLoaderManager().reastartLoader(LOADER_ID, Bundle.EMPTY, this); }

ShortcutManager shortcutManager = getSystemService(ShortcutManager.class); ShortcutInfo shortcut = new ShortcutInfo.Builder(this, "id1") .setShortLabel("Web site") // Shortcut Icon tab .setLongLabel("Open the web site") // Displayed When Long Pressing On Ap...

Given a simple sitecore item: Item item; The item itself does not contain it's url. To obtain a url for an item you need to make a call to the static class Sitecore.Links.LinkManager string url = LinkManager.GetItemUrl(item); an overload of this accepts a UrlOptions class: UrlOptions option...

Mage::getSingleton('customer/session')->isLoggedIn()

You can load Magento model using the following code: Mage::getModel('modulename/modelname') Example: Mage::getModel('catalog/product') This will load Mage_Catalog_Model_product

To create a new model in your module Add a folder Model in your module root folder and create a file Modelname.php in this folder. for example Rick/Demo/Model/Modelname.php The class name of your model does matter call it like this: <?php class Rick_Demo_Model_Modelname { } make sure y...