Snipplr

(JavaScript) React: Pass value to method from onClick - heathbo

Thu, 08 Dec 2016 09:05:59 UTC

How to pass a parameter into a method from an onClick method found in the render method. Majority of the times when you need to do this, your adding it through a loop. In this case, call a function where the item in the loop will automatically be passed into the function. This will prevent the component from re-rendering every-time it's parent changes and none of it's props or state changed. ** DO NOT DO ** Adding the code below marked with DON'T DO, will cause this component to re-render every-time it's parent changes, regardless of whether this components state or props changed.

(CSS) CSS: Float Center - heathbo

Wed, 31 Aug 2016 04:32:02 UTC

.float_center is applied to the parent of the object you want to float center. .float_center > .child is applied to the object you want to float center.

(JavaScript) React: Get width, height, and coordinates of a react object - heathbo

Sat, 23 Jan 2016 06:28:14 UTC

Use ref with getDOMNode() to get the actual html. Using getBoundingClientRect() on the actual html will give you the width, height, etc. Below: specs = ClientRect {} bottom: 269 height: 18 left: 797.546875 right: 1062.609375 top: 251 width: 265.0625__proto__: ClientRect console.log(specs.bottom) will return 269

(JavaScript) React: How to access returned HTML within a React Component - heathbo

Sat, 23 Jan 2016 04:57:14 UTC

Within a react component. How to gain access to the HTML that was just rendered. Any returned html element that is tagged with a ref, can easily be accessed by it's ref after it's been rendered. In the below case, use this.refs["domainModal"] to access the html. This access is limited to within the scope of the instance of this react component.

(JavaScript) React: Adding multiple styles - heathbo

Sat, 10 Oct 2015 06:58:07 UTC

Adding the width style to a table header that already has a headerCell style attached to it from a Mixin.

(CSS) CSS: Media Query - heathbo

Sat, 03 Oct 2015 03:01:44 UTC

This is code you put in a CSS file. It queries the size of the screen using the parameters passed in. If its true, it then applies the CSS

(C#) C#: Check NULL, Return value shortcut - heathbo

Tue, 27 Jan 2015 03:23:13 UTC

If debit is null, return credit. Otherwise return debit.

(SQL) SQL: Find all table and stored procedure dependencies - heathbo

Tue, 23 Dec 2014 05:37:59 UTC

In Microsoft SQL Server Management Studio, the below code will save a file to your computer that shows all of the functions and stored procedures linked to the bi_settlement table.

(C#) Moq: Verify that a method is not called - heathbo

Sat, 01 Nov 2014 03:10:37 UTC

Verify that the Execute("ping") method is never called.

(SQL) SQL: How To Search All Files For Specific Text - heathbo

Fri, 24 Oct 2014 03:05:03 UTC

This query shows how to search all the files associated with a database for specific text.

(SQL) SQL: How To Display & Compare 2 Query Results In The Same Window - heathbo

Tue, 30 Sep 2014 07:16:29 UTC

This is how to run 2 separate queries and display them in the same window in order to compare the results. You need to add the union all in between the queries. Then add a comma and null to the second query.

(C#) Moq: Verify a Method is Called - heathbo

Wed, 16 Jul 2014 01:46:02 UTC

The code to verify that a method was called. The this.mockProvider.Verify verifies that GetBiAutoProcessConfigByKeys is called.

(SQL) SQL: If / Else statement - heathbo

Thu, 10 Jul 2014 23:53:04 UTC

Declare a new_bi_number variable Set the new variable If the new variable is null, set it to 1000 Select it to show it If the new variable is not null, Select it to show it

(C#) Moq: Creating an integration test with database access - heathbo

Thu, 10 Jul 2014 00:20:03 UTC

using (var scope = new TransactionScope()) makes sure that any changes to the database are temporary and only last as long as the test is running. The ExecuteScalar is used to get a value from the table. The ExecuteNonQuery is used to insert a record that the test will use. _target is the class that is accessing the database.

(C#) C#: How to suppress an error than keeps the solution from building - heathbo

Tue, 08 Jul 2014 05:35:11 UTC

Paste the code below, above the the method that's causing the error. Replace Microsoft.Performance with the type of error it is. Replace CA1822 with the error number. Look up what the error number is and replace MarkMemberAsStatic with its definition. Replace the Justification string with the reason you're suppressing the error. If your using FxCop: Analyze your code using the FxCop utility. In the Active window / tab, right click on the line that represents the error. Select Copy As / SuppressMessage. Paste above the method that's causing the error. This process will give you the same code as the steps above. It just easier.

(C#) Moq: test to see if exception is thrown - heathbo

Fri, 04 Jul 2014 00:01:58 UTC

The ExpectedException section under [TestMethod] is where you tell Moq what type of exception your listening for. If that exception is thrown, then this test will pass and it will stop running all the code under the target.CalculateProvisionalPrice. In case the exception isn't thrown, the Assert.Fail will throw an exception alerting you that the ArgumentNullException wasn't thrown.

(C#) Moq: check to see the value of passed in parameters. - heathbo

Thu, 03 Jul 2014 23:51:01 UTC

Example 1: I'm verifying that the list that is passed in has 3 attachments. SendMail is run later in the SendEmail method. Example 2: I'm verifying that the object that is passed into the method has the appropriate values.

(SQL) SQL script to Filter out records with values you don't want - heathbo

Thu, 30 Jan 2014 02:31:33 UTC

This query will filter out records with the Shipped value

(C#) Set and return data from Oracle using C# - heathbo

Wed, 29 Jan 2014 08:29:48 UTC

How to set add a record in an Oracle table and return a value in the same query using C#. Returning ID INTO : OUTPUT_ID is referring to returning the value found in the ID field in the SQL table to the OUTPUT_ID parameter set in the AddStatusCode method.

(C#) Lambda and Linq Statements to pull all matching values from List - heathbo

Thu, 14 Nov 2013 08:36:09 UTC

These are statements to pull all the matching values (123) from the List.

(C#) WPF Custom Styled Button - heathbo

Sat, 28 Sep 2013 03:20:15 UTC

This code gives you the ability to stylize the buttons background, and borders on events.

(C#) WPF open window - heathbo

Fri, 20 Sep 2013 03:46:44 UTC

Open a window that's already been created. You first have to create a new window.xaml by right clicking on project / add / Window. In this instance we will call it WindowNew2.

(C#) WPF menu customization - heathbo

Fri, 20 Sep 2013 03:38:46 UTC

Add this code inside of the tags in the code behind. Each Header is what you see. Command is the method that will be run when this menu item is selected. Image Source is an image that shows to the left of the word.

(C#) Entity Framework 1 to 1 relationship Code First Method - heathbo

Wed, 11 Sep 2013 06:07:36 UTC

How to create a one to one relationship using the Entity Framework and the Code First Method. In this example, were creating a 1 to 1 relationship with the Bakery class and the BakeryRecipe class. Make sure each class has a link to the other class through the virtual instance. Add the context code to the Context file (BakeryContext.cs in this case). The context code below is making the Primary key in the BakeryRecipe class, and the Foreign key in the Bakery class.

(C#) Delegates, Func, and Action - heathbo

Thu, 29 Aug 2013 02:43:05 UTC

A delegate is a reference to any method that has the same signature. The benefit of this is that the delegate can switch to another method with the same signature, without changing itself. Func is a way to simplify the delegate creation and use. Action is a Func without the return type.

(C#) Getting access to an html tag from the aspx.cs file - heathbo

Fri, 07 Jun 2013 05:23:39 UTC

by adding the runat="server" text to the p tag, we allow the .cs file to have access to it.

(JavaScript) JavaScript GeoLocation - heathbo

Tue, 16 Apr 2013 07:46:09 UTC

Html and JavaScript code to see the longitude and latitude of the viewing browser.

(ActionScript 3) Pass in an varying number of parameters. - heathbo

Wed, 23 Jan 2013 18:18:22 UTC

This allows a varying amount of parameters to be passed into a function. Which is helpful if the amount of parameters passed in could change. The trace in this example returns test3.

(ActionScript 3) Open external files - heathbo

Wed, 05 Oct 2011 07:36:39 UTC

(ActionScript 3) Load an external swf, use it and gain access to its functions and features. - heathbo

Sat, 02 Jul 2011 00:00:44 UTC

How to load an external swf. Once its loaded, access it and use its functions and variables.

(ActionScript 3) Load a new html page - heathbo

Sat, 18 Jun 2011 02:39:42 UTC

(ActionScript 3) Find and Change text in a variable or textfield - heathbo

Thu, 20 Jan 2011 09:51:49 UTC

(ActionScript 3) Embedding External Fonts explained: method 1 - heathbo

Sat, 09 Oct 2010 06:37:25 UTC

I\'m using Flash CS4.\r\n\r\n1.First thing you need to do is turn your font into a class that can be loaded.\r\n When you create your class pay special attention to the fontName you give it. You will need that later. NOTE: only TrueType fonts will work.\r\n2.Now that your font is a class its accessible to the rest of your code. The difference is, you access it by the fontName you assigned it earlier.\r\n3. WARNING: In-order for your font to show up on the stage, your font has to be embedded in the textField:\r\n4. WARNING: When setting the TextFormat, you MUST use defaultTextFormat. setTextFormat() will not work.\r\n5. SIDE NOTE: If your using an AssetMangement class. (ie. a once stop shop class that loads everything). You provide access to this class and its loaded fonts by creating a variable that is equal to the font in the AssetManagement class. See the example below.

(ActionScript 3) Dynamic text And Scrollbar - heathbo

Thu, 07 Oct 2010 11:39:25 UTC

If your using dynamic text and AS3's built in scroll bar. Sometimes it won't activate, ie. no scrollbar. You must update the scrollbar after the text has been loaded. Sometimes you only want the scrollbar to show up when needed and hide when not.

(ActionScript 3) XML, string, and the missing new line issue - heathbo

Thu, 07 Oct 2010 05:35:28 UTC

For some reason if you load in text from an xml file and the text has a newline character(\n or \r), the newline character doesn't create a new line but shows up in the text instead.

(ActionScript 3) Class Path Structure - heathbo

Wed, 06 Oct 2010 01:59:43 UTC

What should the class path structures be.

(ActionScript 3) Parse XML files - heathbo

Wed, 06 Oct 2010 01:56:55 UTC

How to drill down to the content you need in an XML file.

(ActionScript 3) Load content from library onto stage - heathbo

Wed, 06 Oct 2010 01:55:09 UTC

Add content to stage from Library through code and use the content.

(ActionScript 3) How to set, start, and use a Timer - heathbo

Tue, 05 Oct 2010 13:46:04 UTC

delay is in milliseconds. repeat must be set to at least 1.

(ActionScript 3) Text and Field Formatting - heathbo

Tue, 05 Oct 2010 13:43:10 UTC

myTextField.defaultTextFormat = format; myTextField.setTextFormat(format); Both can be used. The difference is, setTextFormat will only change the text currently in the text field. Any new text inserted into the text field will revert back to its default. defaultTextFormat changes the default which will change the format for the current text and all future text.

(ActionScript 3) How to Start and Stop Sounds - heathbo

Tue, 05 Oct 2010 13:31:45 UTC

(ActionScript 3) How to access parent variables and functions - heathbo

Tue, 05 Oct 2010 13:20:13 UTC

(this.parent) can be altered depending on how far back you want to go. (this.parent.parent.parent) for example.

(ActionScript 3) How to create a Loader - heathbo

Tue, 05 Oct 2010 13:17:15 UTC

add every item in the library to the frame that comes after this code.

(ActionScript 3) Import an XML file and use the data. - heathbo

Tue, 05 Oct 2010 13:15:40 UTC

/////////////////////////////////////////////////////////////////////////////////////////// XML USED IN EXAMPLE: This is the copy that goes in the description text

(ActionScript 3) Disable Children Click Through - heathbo

Tue, 05 Oct 2010 13:05:27 UTC

b1 is the name of a button.

(ActionScript 3) How to detect if a number is even - heathbo

Tue, 05 Oct 2010 13:03:50 UTC

The Modula symbol % will give you the difference between the first and last numbers.

(ActionScript 3) Move Children in the display list to different layers - heathbo

Tue, 05 Oct 2010 13:02:15 UTC

Paper and redPhone are names of items on the stage.