++someVariable Vs. someVariable++ in Javascript
In Javascript you can use ++ operator before or after the variable name. What, if any, are the differences between these ways of incrementing a variable? ...
increment
What does the '&' means in a Unary Operator of a Class?
class CDate { // some declarations public: CDate& operator ++ () { // increment function; return *this; } }; Does the '&' mean a reference that is being a return? Thanks SpecC ...
why does i++ and ++i in a for loop behave the same?
Possible Duplicates: Difference between i++ and ++i in a loop? java for loop pre-increment vs post-increment When using the standard for loop, how does the compiler treat the incrementing of the for loop variables? For example, for(int i = 0; i < 5; i++) { System.out.println("i is : " + i); ...
Silverlight 3.0 Slider Move in increments of N
I was wondering if anybody knows how to move the slider in increments of 50 or more. 0 - 50 - 100 - 150 - 200 ETC.... I'm implementing a slider to filter some grid results. <Slider x:Name="PointsSlider" Width="350" Height="Auto" ValueChanged="PointsSlider_ValueChanged" Minimum="25" Maximum="3000" LargeC...
How to increment field in sqlite android database
Hey, I want to increment a column in a sqlite android database. Im doing like this: public void atualiza(String word){ this.db.rawQuery("UPDATE words SET count = count + 1 WHERE word= ? ", new String[] {word}); } And I call this method on another class like this: this.dh.atualiza(word); But when i pull the database from t...
One hour increment in R, zoo
Hello How can I add one hour to all the elements of the index of a zoo series? I've tried newseries <- myzooseries index(newseries) <- index(myzooseries)+times("1:00:00") but I get the message Incompatible methods ("Ops.dates", "Ops.times") for "+" thanks My index is a chron object with date and time but I've tried w...
iPhone: Problem with incrementing NSNumber & displaying transparent images (UIImageView)
Hi Guys! I have a problem with NSNumber: I don't understand how to increment and decrement it! I've tried int with [NSNumber intValue] and so on, but it didn't work!!!! I just want a page counter which can be converted to an NSNumber at the end. My second problem is displaying a (partially) transparent image in an UIImageView. It has e...
increment value of int being pointed to by pointer
I have an int pointer (int *count) if i want to increment the integer being pointed at using ++ I thought I would call *count++; However, I am getting a build warning "expression result unused". I can call *count += 1; But, I would like to know how to use the ++. Any ideas? ...
Does implementation of ++i vs. i++ vary from language to language?
I recently read: "The expressions (++i) and (i++) have values and side effects. The side effect is that the value in i is increased by 1. The value of (i++) is the value before the increment and the value of (++i) is the value after the increment, but whether the increment or the evaluation takes place first, is not part of C." I know t...
Explanation of ++val++ and ++*p++ in C
int val = 5; printf("%d",++val++); //gives compilation error : '++' needs l-value int *p = &val; printf("%d",++*p++); //no error Could someone explain these 2 cases? Thanks. ...
is the expiration time updated in memcached after an increment?
When you put a value in memcached, you can set an expiration time. However, when you increment a value you can not (at least not from PHP) set a new expiration time. My question: Is the expiration time reset on increment to it's initial value? Or it it unchanged? Or is there another way to regenerate the expiration time? EDIT: Both t...
How do I increment (add one to) or decrement (subtract one from) a number, in Common Lisp?
It's all in the title, really. ...
How to increment Date objects in C++
Hi everyone, I have an assignees that I've been working on and I'm stuck on the last function. use the function void Increment(int numDays = 1) This function should move the date forward by the number of calendar days given in the argument. Default value on the parameter is 1 day. Examples: Date d1(10, 31, 1998); // Oct 31, 1998 Date ...
CrEme connect with database
I am using CrEme for barcode application.now i want connect with sql server database using CrEme....when i connect with sql server i am getting error like dbb[Failed to Load com/microsoft/sqlserver/jdbc/SQLServerDriver] java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver.... So kindly help me for that..... ...
Output of multiple post and pre increments in one statement
I'm new to C language so plz sum1 help me out. A C code written int i=3; printf("%d",++i + ++i); Complier gvs O/P =9. How? Thanx in advance ...
SQL atomic increment and locking strategies - is this safe?
I have a question about SQL and locking strategies. As an example, suppose I have a view counter for the images on my website. If I have a sproc or similar to perform the following statements: START TRANSACTION; UPDATE images SET counter=counter+1 WHERE image_id=some_parameter; COMMIT; Assume that the counter for a specific image_id h...
Why does this go into an infinite loop?
Hi, I'm a teacher, and yesterday a student wrote the following code: public class Tests { public static void main(String[] args) throws Exception { int x = 0; while(x<3) { x = x++; System.out.println(x); } } } we know he should have writen just x++ or x=x+1, but on x = x++; it s...
Insert data in to sql server data table
Hi , I have one table customer_master and column cust_id is autoincrement 1 .when we are try to insert its working fine and inserted records like cust_id 1 and 2,3,4 but when generate error in insert command we do transaction rollback means cust_id 5 is not insert but when we are insert another record cust_id generate 6 . skip cust_id...
increase number when I press arrow key on keyboard with javascript
Hi, I have a textbox has a numeric value. now what I want is to keep increasing that numeric value while im pressing and holding any of arrow keys. I know how to do this if I was pressing only one time. it will be increased by 1 only. but what If I want to keep increasing the value while i'm holding the arrow keys. how to do that? tha...
Increment and Decrement Operators
#include<stdio.h> main () { int x=4,y,z; y = --x; z = x--; printf ("\n %d %d %d", x,y,z); } output 2,3,3 Can anyone explain this?? And what does this : i=+j; means (suppose i = 1 and j =2) ...