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It isn't desirable at all. If you allow a user to enter numeric data via a text field, you cannot guarantee the user will actually enter a numeric value let alone one that is within your accepted range of values. Using a numeric input field eliminates this problem entirely.
The VisualBasic NumberUpDown control is a prime example. The user can either type a value directly in the text field or use the up/down controls to increment/decrement the current value. The programmer can specify the range of acceptable values (minimum and maximum), the number of decimal places and the increment amount. If the value is dependent upon the value of other fields, you can programmatically update these properties accordingly. This ensures the user cannot enter an invalid value.
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it depends on the purpose of the information. Sometimes programmers are stuck with using numeric assignments established by an accounting department. If you are only allowing for numeric responses kept as a number, right adjusted, defaulting to preceding zeros, numeric fields can be the way to do it.
However, There are occasions where you want a numeric response because the current assigned of values are numeric but there is no arithmetic use of the numeric values. For example part numbers, invoice numbers, voucher numbers, account numbers, phone numbers, social security numbers, tax id numbers, zip codes, etc.
An invoice of 1234 is not the same as invoice 01234, 001234, or 12340. A social security number incorrectly entered as 12345678 in a numeric field might be treated as 012345678 when it should be flagged as an invalid entry. Even more, You can decide to use the same field for both a social security number and a Federal tax ID number. There really is nothing wrong with that, you would distinguish them by the format. An SS no. is XXX-XX-XXXX and Fed TaxID is XX-XXXXXXX. Zip code or zip+4 numbers that start with 0 or 00 can have verification problems as numeric fields. Even if you need to convert values to numeric for check digit confirmation, maintaining them as characters may still be preferred.
What else can I help you with?
Types of data type?
A data type that can store integer numbers. The details vary depending on the programming language; many language have different integer types to accomodate different sizes. This lets the programmer use a smaller size (and save memory space) when he only needs to store fairly small numbers - and especially when he needs to store LOTS of fairly small numbers, as in an array. Common sizes include 1 byte, 2 bytes, 4 bytes and 8 bytes of storage.
No save option in pdf file how to save the pdf file?
no save option in psdf
How to read string from user in java?
There are many ways to input data from the keyboard, but the most convenient is the use of the Scanner class. By declaring the Scanner class's input as System.in, it pulls data from the keyboard (default system input). A simple example of taking data from the keyboard: For instance if I had typed ( Hello my name is William, I like cheese. ) The following code would process it. Scanner scan = new Scanner(System.in); String mySentence = scan.nextLine(); System.out.println(mySentence); // it would display what I had typed in. Other methods of the Scanner include: next(); // gets the next token from input using a delimiter (the default is white space) nextInt(); // returns the integer value of a number inputed nextDouble(); // returns the double inputed
What happens during energy conversion?
There is no physical connection between the primary and secondary of a transformer. A transformer is essentially 2 laminated coils of wire interwoven with each other. The magnetic field created in the primary coil is induced into the secondary coil creating voltage on the secondary side.
What is the difference between String and String Buffer?
In Java, String is a class that represents an immutable string, that is a sequence of characters that can never change. Any modification to the String will have to create a new String object. A StringBuffer (and in Java 1.5 and up, a StringBuilder) is a mutable string object that can be modified at runtime. The advantages of using Strings are that the String is generally lighter and faster to use where the String isn't going to change. When building a long String of text by making changes to one object over time, you should use a StringBuilder or StringBuffer (in Java 1.4 or when synchronization is important).
Is the value 3 a string variable?
No, it is an integer. You can save an integer value to a string variable but, in this case the value is explicitly stated to be 3.
How do you save on dungeon field?
hit the save button
Importance of computer in accounting field?
it save time,
How do you save in world of pain 3?
You have to step on a "S"-field and then click the "Save"-Button (at the bottom of the screen).
How do you save money on field trips?
well you can save money on the way back from the field trip by accidently leaving all the kids at the field trip spot. then riding your bike home. Try not to go anywhere to far for a field trip or it might be a hard bicycle ride home.
How do you save a JPEG file to your computer?
If you are trying to save image from some online webpage then simply right click on that particular image, Now choose JPEG from SAVE AS Field or you can also add .jpg to the file name while saving it in File-Name field.
How do you save a jpeg file to computer?
If you are trying to save image from some online webpage then simply right click on that particular image, Now choose JPEG from SAVE AS Field or you can also add .jpg to the file name while saving it in File-Name field.
Sholduld principals cancel field trips to save money for the school. why?
No because principals tell us if we have field tripe or not
What is the purpose and functionality of a string compression algorithm?
A string compression algorithm is used to reduce the size of a string by encoding it in a more efficient way. This helps save storage space and improve data transmission speeds. The algorithm works by identifying patterns or repeating sequences in the string and replacing them with shorter representations. This allows for more efficient storage and faster processing of the data.
What are the wolverine and the x men adventure factory codes?
They are levels that other people have made. The string of characters is how you save and share your level.
How do you you change the name of a field in Access?
Go into Design View. Then click on the field you want and type in a new name for it. Then save the table.
Does YouTube show your history if you don't have an account?
Youtube doesn't save your history if your not logged in but a lot of web browsers will save what you typed in the field.
