Static method:
Dim parseMethod = GetType(Integer).GetMethod("Parse",{GetType(String)})
Dim result = DirectCast(parseMethod.Invoke(Nothing,{"123"}), Integer)
Instance method:
Dim instance = "hello".ToUpper
Dim method = Gettype(String).GetMethod("ToUpper&quo...
ArrayList is one of the inbuilt data structures in Java. It is a dynamic array (where the size of the data structure not needed to be declared first) for storing elements (Objects).
It extends AbstractList class and implements List interface. An ArrayList can contain duplicate elements where it mai...
To get more information about any git command – i.e. details about what the command does, available options and other documentation – use the --help option or the help command.
For example, to get all available information about the git diff command, use:
git diff --help
git help diff
Similarl...
If you want to change the order of a character strings you can use parentheses in the pattern to group parts of the string together. These groups can in the replacement argument be addresed using consecutive numbers.
The following example shows how you can reorder a vector of names of the form &quo...
The thing is; you can't connect Ionic to any database (MySQL, Postgres, MSSQL, ...) directly. The keyword here is directly.
No, there's no workaround, no magic involved, it's just not the way this is supposed to work. Ionic works on top of Angular and Angular is a frontend framework.
However, the ...
A Cordova application runs as a website on a WebView component within the native mobile platform. Debugging a cordova application can therefore be done by utilizing your favourite browsers development tools. The following steps are needed to hook the application, running on the device, to the Chrome...
The Replace function in SQL is used to update the content of a string. The function call is REPLACE( ) for MySQL, Oracle, and SQL Server. The syntax of the Replace function is:
REPLACE (str, find, repl)
The following example replaces occurrences of South with Southern in Employees table:
FirstN...
To break loops, the command EXIT can be used.
DO.
READ TABLE itab INDEX sy-index INTO DATA(wa).
IF sy-subrc <> 0.
EXIT. "Stop this loop if no element was found
ENDIF.
" some code
ENDDO.
To skip to the next loop step, the command CONTINUE can be u...
You can render the contents of an SVG file as an image within an HTML document using an <img> tag. For example:
<img src="my_svg_file.svg" alt="Image description">
The dimensions of the image will, by default, display according to the width and height properties s...
Enable and configure the experimental Gradle plugin to improve AndroidStudio's NDK support. Check that you fulfill the following requirements:
Gradle 2.10 (for this example)
Android NDK r10 or later
Android SDK with build tools v19.0.0 or later
Configure MyApp/build.gradle file
Edit the dep...
cycle is an infinite iterator.
>>> import itertools as it
>>> it.cycle('ABCD')
A B C D A B C D A B C D ...
Therefore, take care to give boundaries when using this to avoid an infinite loop. Example:
>>> # Iterate over each element in cycle for a fixed range
>&g...
When to use abstract classes: To implement the same or different behaviour among multiple related objects
When to use interfaces: to implement a contract by multiple unrelated objects
Abstract classes create "is a" relations while interfaces provide "has a" capability.
This c...
sudo apt-add-repository ppa:brightbox/ruby-ng
Hit Enter to confirm
sudo apt-get update
Then you can install your ruby version of choice (the ppa supports ruby2.0 ruby2.1 ruby2.2 ruby2.3 and legacy versions ruby1.8 ruby1.9.1) Don't forget to include the respective -dev package for your version. Ot...
The dimension attribute on an object specifies that that object is an array. There are, in Fortran 2008, five array natures:1
explicit shape
assumed shape
assumed size
deferred shape
implied shape
Take the three rank-1 arrays2
integer a, b, c
dimension(5) a ! Explicit shape (default ...
If the value of the href-attribute begins with tel:, your device will dial the number when you click it. This works on mobile devices or on computers/tablets running software – like Skype or FaceTime – that can make phone calls.
<a href="tel:11234567890">Call us</a>
Most de...
A Range cannot be created or populated the same way a string would:
Sub RangeTest()
Dim s As String
Dim r As Range 'Specific Type of Object, with members like Address, WrapText, AutoFill, etc.
' This is how we fill a String:
s = "Hello World!"
' But we can...