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The CSharpSyntaxWalker class is out of the box implementation of the Visitor pattern, that we can use to traverse our Syntax Tree. Here is a simple example of a Syntax Walker that collects all the struct-s that have a name, starting with the letter A: public class StructCollector : CSharpSyntaxWa...

There qutie a fiew ways to get the sematic model. From a Document class Document document = ...; SemanticModel semanticModel = await document.GetSemanticModelAsync(); From a Compilationclass CSharpCompilation compilation = ...; var semanticModel = await compilation.GetSemanticModel...

var syntaxRoot = await document.GetSyntaxRootAsync(); var semanticModel = await document.GetSemanticModelAsync(); var sampleMethodInvocation = syntaxRoot .DescendantNodes() .OfType<InvocationExpressionSyntax>() .First(); var sampleMethodSymbol = semanticModel.GetSymbolI...

If you package your application in a jar using the maven-jar-plugin or the maven-assembly-plugin, an easy way to get the current pom version is to add an entry in the manifest, which is then available from Java. The secret is to set the addDefaultImplementationEntries flag to true (and the addDefau...

Simple example from http://search.cpan.org/dist/sapnwrfc/sapnwrfc-cookbook.pod use strict; use warnings; use utf8; use sapnwrfc; SAPNW::Rfc->load_config('sap.yml'); my $conn = SAPNW::Rfc->rfc_connect; my $rd = $conn->function_lookup("RPY_PROGRAM_READ"); my $rc = $rd-&g...

it caused by your batch size too small, which lead to a lot of ROS Containers created and reach the limitation(1024 default). you should do defragment using TupleMover task(mergeout) before the error raised. To do troubleshooting: ROS Containers viewed from the projections. select * from STOR...

Before deploying the angular project in server we need to build angular project for production. We also need to change the routing path in index.html file from <base href=”/”> to <base href=”./”> if it is not done then your project wouldn’t get loaded properly there will be some routing ...

Once the dist directory is ready with your production built bundles. Just open the dist directory and open the command prompt type the following command to create the war file to deploy your project on apache tomcat server. jar cvf dist.war . Once the above jar commands gets executed. It wou...

Cut/Copy the dist.war file from dist directory and place it in apache tomcat webapp directory. Go to apache tomcat bin folder and double click on startup.bat file. Now tomcat server will execute dist.war file and startup the tomcat catalina server. Once the tomcat catalina server gets started o...

lsvirtualenv : List all of the environments. cdvirtualenv : Navigate into the directory of the currently activated virtual environment, so you can browse its site-packages, for example. cdsitepackages : Like the above, but directly into site-packages directory. lssitepackages : Shows contents of ...

cljs-time gives us option to add/subtract date-times to other date-times. The date times added subtracted should be in form of days, months, years, hours etc. (require '[clj-time.core :as t]) (def example-date (t/date-time 2016 1 1)) ;; #<DateTime 2016-01-01T00:00:00.000Z> ;; Addition ...

To change a label's text font, you need to access its font property: label.font = UIFont(name:"Helvetica Neue", size: 15) The code above will change the font of the label to Helvetica Neue, size 15. Beware that you must spell the font name correctly, otherwise it will throw this error,...

Renaming the server.php to index.php Copy the .htaccess from public folder to root folder Changing .htaccess a bit as follows for statics: RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)/$ /$1 [L,R=301] RewriteCond %{REQUEST_URI} !(\.css|\.js|\.png|\.jpg|\.gif|ro...

Dim duplicateFruits = New List(Of String) From {"Grape", "Apple", "Grape", "Apple", "Grape"} 'At this point, duplicateFruits.Length = 5 Dim uniqueFruits = duplicateFruits.Distinct(); 'Now, uniqueFruits.Count() = 2 'If iterated over at this poin...

You can define the signing configuration to sign the apk in the build.gradle file. You can define: storeFile : the keystore file storePassword: the keystore password keyAlias: a key alias name keyPassword: A key alias password You have to define the signingConfigs block to create a signin...

Here we are having a list of todo items that is passed to the props of our component. Each todo item has a text and id property. Imagine that the id property comes from a backend datastore and is a unique numeric value: todos = [ { id: 1, text: 'value 1' }, { id: 2, te...

If you don't have unique database ids at hand, you could also use the numeric index of your array like this: render() { const { todos } = this.props; return ( <ul> { todos.map((todo, index) => <li key={ `todo-${index}` }> { todo.text } &...

To find your existing .cs files, right click on the project in your instance of Visual Studio, and click Open Folder in File Explorer. Visual Studio --> Your current project (Windows Form) --> Solution Explorer --> Project Name --> Right Click --> Add --> Existing Item --> ...

The TestProducerfrom this example produces Integerobjects in a given range and pushes them to its Subscriber. It extends the Flowable<Integer> class. For a new subscriber, it creates a Subscription object whose request(long) method is used to create and publish the Integer values. It is impor...

xcrun simctl install booted *.app