Tutorial by Examples: el

First you need to implement Realm at the start of your class using Realms; Then to print the location to the console : Console.WriteLine( RealmConfiguration.PathToRealm() ); Or if you're using DefaultConfiguration, you can use : Console.WriteLine( RealmConfiguration.DefaultConfiguration.Dat...

Command Prompt batch scripts have extension .cmd or .bat, the latter for compatibility reasons. To create a hello-word-script, you first need a place where to type it. For simple scripts, also the Windows Notepad will do. If you are serious about shell scripting, you need more effective tools. The...

The RequiredFieldValidator control ensures that the required field is not empty. It is generally tied to a text box to force input into the text box. The syntax of the control is as given: <asp:RequiredFieldValidator ID="rfvcandidate" runat="server" ControlToValidate =&...

The Service Locator design pattern is very nearly dependency injection. Like the Bridge Pattern, this pattern can be used to reference platform-dependent code from a platform-independent context. Most interestingly, this pattern relies on the singleton pattern -- everything you put into the service ...

When defining a recursively-expanded variable, the contents of the right-hand side are stored as-is. If a variable reference is present, the reference itself is stored (not the value of the variable). Make waits to expand the variable references until the variable is actually used. x = hello y =...

The below example widget demonstrates how to format individual cells of a TreeView column conditionally, depending on value of the field in the particular cell. If value of field is negative, then it'll be displayed in red color and minus symbol will be hidden, otherwise it'll be displayed in normal...

The documentation for docker events provides details, but when debugging it may be useful to launch a container and be notified immediately of any related event: docker run... & docker events --filter 'container=$(docker ps -lq)' In docker ps -lq, the l stands for last, and the q for quiet. Th...

We add three records to our collection test as: > db.test.insert({"key":"value1","key2":"Val2","key3":"val3"}) WriteResult({ "nInserted" : 1 }) > db.test.insert({"key":"value2","key2":"V...

Loading custom fonts can be lead to a bad performance. I highly recommend to use this little helper which saves/loads your already used fonts into a Hashtable. public class TypefaceUtils { private static final Hashtable<String, Typeface> sTypeFaces = new Hashtable<>(); /** * Get...

Usually the case when one wants to change a field type to another, for instance the original collection may have "numerical" or "date" fields saved as strings: { "name": "Alice", "salary": "57871", "dob": "198...

Open routes file. Paste the following code in: Route::get('helloworld', function () { return '<h1>Hello World</h1>'; }); after going to route localhost/helloworld it displays Hello World. The routes file is located: 5.3 For Web routes/web.php For APIs routes/api.php ...

Basic architecture examples on how development for embedded systems works (i.e. IDEs, cross-compiling, downloading, in-line debugging, JTAG,...) and what would be the minimum requirements for starting. It would be worth mentioning different approaches and platforms from begginers-higher level to ad...

HtmlHelper.Action() @Html.Action(actionName: "Index") output: The HTML rendered by an action method called Index() @Html.Action(actionName: "Index", routeValues: new {id = 1}) output: The HTML rendered by an action method called Index(int id) @(Html.Action("In...

Project structure project/ group_vars/ development inventory.development playbook.yaml These variables will be applied to hosts under the development group due to the filename. --- ## Application app_name: app app_url: app.io web_url: cdn.io app_friendly: New App env_type: ...

To select an element by an exact HTML attribute use the css locator pattern [attribute=value] //selects the first element with href value '/contact' element(by.css('[href="/contact"]')); //selects the first element with tag option and value 'foo' element(by.css('option[value="f...

To select an element by an HTML attribute that contains a specified value use the css locator pattern [attribute*=value] //selects the first element with href value that contains'cont' element(by.css('[href*="cont"]')); //selects the first element with tag h1 and class attribute that...

Sometimes it maybe useful to have multiple distinct indexes of a field with different Analyzers. You can use the multi-fields capability to do so. PUT my_index { "mappings": { "user": { "properties": { "name": { "type...

<ItemGroup> <FilesToDelete Include="*.tmp" /> </ItemGroup> <Delete Files="@(FilesToDelete)" />

awk '{ for(f=1; f<=NF; f++) { print $f; } }' file

There is no additional installation required for excel-formula on top of what is already required for excel. Please refer to excel documentation.