Tutorial by Examples: ti

Each individual connection can be accessed via the connection method on the DB facade, even when there are multiple connections defined. The name passed to the connection method should correspond to one of the connections listed in the config/database.php configuration file: $users = DB::connection...

v6.0.0 Promises are a tool for async programming. In JavaScript promises are known for their then methods. Promises have two main states 'pending' and 'settled'. Once a promise is 'settled' it cannot go back to 'pending'. This means that promises are mostly good for events that only occur once. The...

Replace operator: The -replace operator replaces a pattern in an input value using a regular expression. This operator uses two arguments (separated by a comma): a regular expression pattern and its replacement value (which is optional and an empty string by default). "The rain in Seattle&quo...

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...

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...

As this documentation explains, Sometimes a resource file will need to contain a value that can only be supplied at build time. To accomplish this in Maven, put a reference to the property that will contain the value into your resource file using the syntax ${<property name>}. The property ...

The other examples may be the best and most stable way to get a version number into an application statically. This answer proposes an alternative showing how to do it dynamically during runtime, using the maven maven-model library. Add the dependency: <dependency> <groupId>org.apac...

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...

The size of any object or member subobject is required to be at least 1 even if the type is an empty class type (that is, a class or struct that has no non-static data members), in order to be able to guarantee that the addresses of distinct objects of the same type are always distinct. However, ba...

Design Patterns provide solutions to the commonly occurring problems in software design. The design patterns were first introduced by GoF(Gang of Four) where they described the common patterns as problems which occur over and over again and solutions to those problems. Design patterns have four ess...

package main import ( "fmt" "time" ) func say(s string) { for i := 0; i < 5; i++ { time.Sleep(100 * time.Millisecond) fmt.Println(s) } } func main() { go say("world") say("hello") } A goroutine ...

To initialize struct, you can do like this : public static void main (string[] args) { Value val = Value (typeof (int)); val.set_int (33); } But Vala brings another way to initialize values : public static void main (string[] args) { Value val = 33; } Your value is initializ...

This exemple shows how you can pass several types in function parameters : static void print_value (Value val) { print ("value-type : %s\n", val.type().name()); print ("value-content : %s\n\n", val.strdup_contents()); } public static void main (string[] args) { ...

The GLib.Task provide low-level API for performing asynchronous operations. var task = new GLib.Task (null, null, (obj, result) => { try { var ret = result.propagate_boolean (); } catch (Error err) { // handler err... } }); Later in a thread or a callback: t...

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...

it often happened some rows with format issue, data type issue rejected by copy command while try load it by copy command. the query return succeed but some of data rejected. To do troubleshooting save Rejected Data and Exceptions COPY large_tbl FROM :file1 ON site01, :file2 O...

It's necessary to declare the type; here t_my_list; a collection is a TABLE OF something CREATE OR REPLACE TYPE t_my_list AS TABLE OF VARCHAR2(100); Here's the function. Notice the () used as a kind of constructor, and the COUNT and EXTEND keywords that help you create and grow your collection; ...

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 ...

ng build –prod Above given command with extra option like –prod would generate the production build project bundle. Once the above command gets executed in the root directory of your project would appear a directory called dist. In which all the production build bundle of your project appears in ...

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...