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Wicket keeping basics of investing

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In reality, the two are completely independent of each other. The share price is actually of very little consequence. So which is the bigger company? To get the figures, we look at the market capitalization of each company. It all depends on what your goal is as an investor. The more valuable companies are much safer investments. These companies have more room to expand and therefore could see huge rises over the next few years.

Of course, that also makes them riskier investments. The more volatile a company, the greater the potential for growth. The more secure a company, the less the chance of quadrupling your money. Shares can only be purchased by a licensed professional called a stockbroker. These are licensed and accredited professionals who ensure that trades are conducted with all the necessary legal and regulatory procedures. A stockbroker will buy and sell shares on your behalf in exchange for a fee.

Stockbrokers, therefore, act as a middleman between investors and the market. This is essentially the function of the stockbroker. In the past, stockbrokers charged high fees and usually insisted on minimum deposits that were outside the realm of the average worker. These days, the internet has given birth to discount brokers that compete on pricing and usually have no minimum deposit restrictions.

This has opened up investing to the masses. Brokers in the past also provided advice as part of their fee. Discount brokers provide no such service, which means that investing is very much a do-it-yourself endeavor.

We want to help educate and guide users throughout their investing life, giving them the tools to invest with confidence. However, the fact remains, you still need to engage a broker in order to buy and sell shares. Setting up a brokerage account is similar to setting up a bank account.

However, the world of investing is a highly regulated one and brokers are required to gather a little more information than a bank. Before you begin, you may want to do some research on what kind of brokerage you want. Brokers differentiate themselves by offering different fee structures or services. Some will allow you to invest in foreign companies, some will only permit you to invest in U.

Some will allow you to set up certain tax-efficient accounts like Roth IRAs. We have a close and deeply integrated relationship with the broker DriveWealth and recommend them to our users. However, the decision is yours. In order to set up an account, you will need certain personal information like your name, address, and date of birth.

Following this, you will be required to answer some simple questions regarding your employment status, income level, and investing experience. This will vary depending on where you live. An international user might be required to provide a photo of government-issued ID and proof of address. International investors must also complete a separate form called the W-8BEN, which is used to calculate what tax if any, you will have to pay in the U.

Many countries have a tax treaty with the US when it comes to this, but you should take the time to research your own situation. Take a look at the 8 best investing twitter accounts we follow to stay abreast of the latest news and commentary on Wall Street. The important thing to remember here is that investing is a life-long pursuit.

As previously mentioned, Bedrock stocks like Apple and Google are safer investments than small-cap companies. Owning shares in a company will foster your interest in that company. Simply write down the date of your purchase along with any thoughts that led you to this decision.

For example, you may like the CEO and believe in his long-term vision for the company. This is an important part of the learning process. In our MyWallSt app, your stock will be automatically added to your portfolio so you can track its performance. This is a great place to start. Most companies will also send out press releases regarding any important news about the business. You can subscribe to these updates on the investor relations section of their corporate websites.

Finally, you should find out when the company is set to send out its quarterly earnings release. Every public company in the U. Some also give insights into their future plans, and possibly even how much they expect to earn in the coming year. Following these steps will have you set up to become an informed and successful investor in no time. Once you get into the swing of things, you can simply repeat the process to build a diversified portfolio of great companies.

All of these questions and answers are excerpts from our Learn App, which you can download in the app store or view on desktop right here. That honor goes to Tesla, who is producing user-centric products for a global customer base. Why should I buy stocks? Owning stock means owning a piece of a company. Invested money can grow much faster than cash in a savings account. You profit from owning stock in one of two ways. The company can decide to return money to its shareholders via dividends.

This is cash that is paid to you on a regular basis for being a shareholder. The business grows and the price per share increases. Once you decide to sell your shares, you pocket the returns. What is a stock? A stock is a piece of ownership in a company. In the short-term, share price changes based on the fickle opinion of the masses. For example, your home page, the details page for a cheese, a blog entry, and a news article are all prime examples of good pages to link to. Basically, anything your customers want to share with one another?

When you want to send a user a link to a page in your application you can use the urlFor method to generate the URL to the page. The next snippet generates a link to a registration confirmation page:. The urlFor method is also used to generate URLs to event listeners or resource listeners. It is a method on the Component class so you can use it almost anywhere. As an example, we'll add a details link to each cheese on the front page.

The link will point to a details page for each cheese; this page will show information about the linked cheese. Using this example, we'll show the various ways of creating links to Wicket pages. We need a link tag in our markup file and a corresponding BookmarkablePageLink component in our Java file. Listing E shows how to create a bookmarkable link to the details page. This is done to show a proper link in the document when we preview it in the browser; Wicket will replace it with the URL of the page the link is pointing to.

The Java code adds the link to the component hierarchy and tells Wicket to create the CheeseDetailsPage page when the link is clicked. Figure 4 shows how our front page looks after we've added the More Information link. Figure 4: Adding a bookmarkable link to the front page of our cheese store.

It links to a details page for each cheese. The screen on the right shows the details page after we clicked the link. Our current implementation of the link has one problem: we haven't specified the cheese for which we want to show details! When the cheese details page is created, how do we know which cheese's details should be shown?

We need to provide the details page with more information. The link generates a URL that contains all the information needed to create the page. URLs can contain request parameters that are passed to the page, so the page can react to that information. Wicket encapsulates those request parameters in PageParameters. First we need to consider what you can put into URL parameters. Special characters and whitespace must be escaped.

This means that we have to convert Java objects into string representations before we can use them as URL parameters. Even if it were possible to pack all the details of the cheese into the URL, doing so wouldn't be appropriate, considering that the URL can be bookmarked and stored for a long time.

Plus, a malicious user could attempt to modify the URL and change the price directly. Instead of storing the whole object into the URL, you can store a unique property based on which you can reconstitute the object. The object identifier is a good candidate, as is a more businesslike key such as a customer number or, in our case, the name of the cheese.

Let's assume we can load a cheese based on its name. We add the parameter to the URL in the following code:. Because the parameters are stored and rendered as strings, you can only add string values to the parameters. You can add as many parameters to the link as you want, as long as you don't exceed the maximum URL length depending on the browser, about 2, characters for Internet Explorer and 4, for other browsers.

Without any specific configuration, Wicket generates the URL shown in figure 5. Figure 5: The URL as generated by the bookmarkable link. The URL contains all the information needed to create the details page and retrieve the cheese object based on its name. This is by many standards an ugly URL. It looks complicated, it's long, and it shows information we'd rather hide from our users, such as the package name. In chapter 14, we'll look at ways to generate prettier URLs.

Now that we have the link side covered, what happens when someone clicks the link? As you can see in figure 5. Wicket tries to create that page. For this to work, the page needs to be bookmarkable. A page is considered bookmarkable if It has a constructor that has no arguments also known as a default constructor , or It has a constructor that takes a PageParameters instance as the only argument These are the only two constructors Wicket can invoke on its own. A page can have both constructors and additional constructors with other parameters.

But when called upon to instantiate a page, Wicket prefers the constructor with PageParameters if it's available. The next example shows a page with three constructors where two fall into the bookmarkable category:. In this example, Wicket doesn't use the default constructor 1, because Wicket always prefers the constructor with PageParameters 2.

But the default constructor is still useful inside your code, because it makes it a bit easier to create the page yourself. As long as the page has either of these two constructors, it can be used successfully in a bookmarkable link. If the page had only the constructor with a Cheese parameter 3, it wouldn't be possible to reference it in a bookmarkable link or, to be more precise, Wicket wouldn't know how to create a new instance of the page with only the Cheese constructor, and would generate an error.

This is the case because Wicket can't determine which cheese needs to be passed in as a parameter. You can still use this constructor if you know how to get a cheese instance based the page parameters. Listing F shows how to parse PageParameters and use the type-safe constructor. When the CheeseDetailsPage is created using the constructor with PageParameters 1 we parse the parameters and retrieve the value for the parameter name 2.

We call the createComponents method to create the component hierarchy. This method is also called in our non-bookmarkable constructor 3 to avoid code duplication. For example, PageParameters has a getInteger key method that looks up the key in the URL and tries to convert its value to an integer. If this fails, it throws a conversion error. People like to modify the URLs in their browser bar, so you may get strange requests to your pages.

Wicket shows a default error page if it encounters such malice. To show a friendlier page at a local level, you should surround the querying of the page parameters with a try-catch block. We've covered a lot of ground and let many concepts and components pass by. Let's take a break and let Wicket do all the heavy lifting for us. All the links we've discussed so far require you to add links in both the markup and the Java file.

For simple links to pages and resources, it would be nice to automate this process. Previously, we showed you how to create bookmarkable links to pages in your web application. To make this work, you have to add the links to the markup and add a BookmarkablePageLink component to the page class.

If you have many pages that are accessible through bookmarkable links, this is a lot of work to do by hand. The special wicket:link tags in a markup file instruct Wicket to automatically create bookmarkable link components for the links inside the tags. Let's see how this works with auto-linking to two pages. First, look at the markup file in the next example:. Wicket automatically creates components for these links when they point to existing pages based on the value of the "href" attribute.

In this example, Wicket auto-creates two bookmarkable links one to com. Page1 and the other to com. Page2 when the current page is in package com. Note that a link is rendered as disabled when it would point to the current page. Figure 6 shows how this might look in your browser.

Figure 6 Auto-linking in action. The link to the current page is rendered as disabled by replacing the link tag with a span, and rendering the text using an em-tag this is configurable. You can also use this auto-link facility to add links to packaged resources such as style sheets and JavaScript files you can learn more about this subject in chapter 9. Note that wicket:link is not refactoring safe: when you move pages between packages, you should modify the links inside the wicket:link section in your markup as well.

In this article, we looked at a some Wicket components: the basic ingredients that enable you to build web applications using Wicket. You learned how to render plain text, formatted text, and text containing HTML to the browser. Although rendering text containing HTML is handy and gives you and your users great power, you shouldn't ignore the safety concerns that stem from this approach. Your site won't be the first to fall prey to insertion attacks.

Displaying content is important for any web application, but an application is more than a set of pages without relationships. Using links, you can navigate to other websites with ExternalLinks or within your own application. With BookmarkablePageLinks, you let users store a bookmark to a particular spot of interest in the application or site for instance, an article. We hope that this article has interested you into learning more about Wicket and its components.

You can learn more about Wicket by reading the first chapter of Wicket in Action for free , and by using the links provided in the resources. Using the Label component to render text The Label component is used to display text. Displaying multiple lines using a MultiLineLabel Often, you'll get text from a user for instance, through a comment form on a blog that contains basic formatting created using newlines. Figure 2: Comparing the output of a normal label and a multiline label when using Java formatting inside the model text Now that you know how to render plain text containing basic formatting, how can you render text that needs to be bold or italic, or a heading inside a label?

Displaying formatted text using labels Sometimes, you want to display more than just the name of a cheese. What happens when you give the label some markup in its model? Beware of script injection attacks When you give your users the ability to enter HTML markup into your application, through either a text input field or a text area, and you render this directly back to the client, the users can play dirty tricks by injecting JavaScript into your pages.

Navigating using links Taking a stroll down memory lane, the internet was once called the information superhighway yes, we're that old. Using ExternalLink to render links programmatically To enable our plan for world cheese domination, wouldn't it be nice to link to recipes using each cheese? The next snippet shows how to link to recipe that uses a cheese: add new ExternalLink "link", recipe. It's also possible to use models with the external link for both the URL and contents: add new ExternalLink "link", new PropertyModel recipe, "link" , new PropertyModel recipe, "name" ; The external link is an easy way to create links to external content from within your Java code.

Linking to Wicket pages with BookmarkablePageLinks Imagine a highway on which you can create your own exits — exits that take you directly to your destination, without detours. Generating a link to a page for use in emails When you want to send a user a link to a page in your application you can use the urlFor method to generate the URL to the page.

Figure 4 shows how our front page looks after we've added the More Information link Figure 4: Adding a bookmarkable link to the front page of our cheese store. Adding parameters to a bookmarkable page link First we need to consider what you can put into URL parameters. Getting your page to work with BookmarkablePageLinks A page is considered bookmarkable if It has a constructor that has no arguments also known as a default constructor , or It has a constructor that takes a PageParameters instance as the only argument These are the only two constructors Wicket can invoke on its own.

Adding bookmarkable links automatically with wicket:link Previously, we showed you how to create bookmarkable links to pages in your web application. Page1 C Links to com.

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Whether it's batting tips from his coach, Dhoni always learns. You must always learn about investments, before you invest your hard earned. By Dhirendra Kumar Returns, liquidity, volatility and predictability. In our routine way of looking at investments, this is all that matters. Every smart investor should know about these 5 parallels between cricket & investing! Synopsis. The Income Plus option of the HDFC Life Click 2.