What is the preferred way to remove spaces from a string in C++? I could loop through all the characters and build a new string, but is there a better way?
I've got a Windows Service that runs BackgroundWorker's, and I'm wondering if I'm doing the right thing when I stop my Windows Service.
Is it enough to:
Let the BackgroundWorker1_DoWork method complete (I have a while loop in it now, doing some tasks)
Set the variable that holds the reference to the BackgroundWorker, to null
Is there some kind of Dispose() method I need to call (In the same way the Timer class has Timer.Dispose();)?
can you get the last or newly added element in std::set? for example say if the loop runs to collect the elements to fill in the std::set.
if on the first run the set was,
[0] "A"
[1] "B"
[2] "D"
and, on second run, the set becomes
[0] "A"
[1] "B"
[2] "C"
[3] "D"
How would you check if 'C' is the new element that was added?
Using Delphi 2009 + Firebird 2.1.3.
Database is ODS 11.1, default char set is UTF8.
My prepared query is as follows:
SELECT
a.po_id, a.po_no
FROM
purchase_order a
WHERE EXISTS
(SELECT 1
FROM
sales_order_item z1
JOIN
purchase_order_item z2
ON
z2.so_item_id = z1.so_item_id
AND
z2.po_id = a.po_id
WHERE z1.so_id = :soid)
ORDER BY a.po_no
Now when I loop this say 1000 times because I have 1000 x so_id, the CPU usage get at 100% for FBSERVER.EXE
Anyone encountered this problem?
Lets say we have a generic list of Class1, typically having ~100 objects for a given session.
I would like to see if the list has a particular object. ASP.NET 2.0 allows me to do this:
Dim objResult as Class1 = objList.Find(objSearch)
How does this approach rate when compared to a traditional For loop, looking at a performance perspective?
How would this vary with increase or decrease in length of the list?
I need to get some children elements and loop over them using inline javascript for a onmouseover event. When I try to use this.getElementsByName I'm getting an error that the object does not support this property. I was under the impression that getElementsByName work for element objects which I thought 'this' would be considered. Anyone have any other ideas on how I can achieve this?
Hi,
Im writing a tool c# (and System.Net.Mail) which will be sending around 4000 emails fornigtly.
Can i simply loop through a list of 4000 email addresses and send emails one at a time?
or will this cause any potential problems?
Is there a better way to do this?
Thanks
I am traversing checkboxes like this:
$('.day').each(function() {
// here I need to get the following 4 text inputs in the HTML
// and set some attributes on them
});
After every checkbox there are four text input fields (there are also some div, span tags for CSS around them). So inside the loop above I need to get four text input fields that follow the checkbox in the HTML source so I can set some attributes on them.
How would I go about that?
Hi
This is a doubt on mysql select query
let me axplain my doubt with a simple example
consider this is my query
SELECT dbCountry from tableCountry
tableCountry has fields dbCuntryId dbCountry and dbState
I have the result as
dbCountry
india
america
england
kenya
pakisthan
I need the result as
1 india
2 america
3 england
4 kenya
5 pakisthan
the numbers 12345 must be generated with the increase in data and itis not a autoincrement id
How can i get it
is it something like loop
I would like to create a simple filter for VirtualDub application. The filter had to invert colors on image. How to create a simple loop, which would invert the colors for each pixel?
Hi -
In my shell script, I am trying to search using terms found in a $sourcefile against the same $targetfile over and over.
My $sourcefile is formatted as such:
pattern1
pattern2
etc...
The inefficient loop I have to search with is:
for line in $(< $sourcefile);do
fgrep $line $targetfile | fgrep "RID" >> $outputfile
done
I understand it would be possible to improve this by either loading the whole $targetfile into memory, or perhaps by using AWK?
Thanks
Hi,
I was wondering if there is a way of converting a double [][] in to a float[][] in Java?
I currently have a for loop in my code that does this and am looking for a better and cleaner way.
Any ideas would be appreciated,
Thanks,
Hey Guys,
I am wokring on a dialog, where in execution I want to round up all items that have a specific attribute and place an attribute value of their's into a comma delited list.
This is as far as I have gotten, which isnt far.
buttons: {
'Hook': function(){
$('.grid_pic:has(border=3)').(loop through id's, grab src, build variable with srcs comma delimeited)
}
Any ideas?
I two sets of k-dimensional vectors, where k is around 500 and the number of vectors is usually smaller. I want to compute the (arbitrarily defined) minimal distance between the two sets.
A naive approach would be this:
(loop for a in set1
for b in set2
minimizing (distance a b))
However, this requires O(n² * distance) computations. Is there a faster way of doing this?
I have a text file containing a number of records. Each record is stored on a single line that is 100 characters long.
Let's say I want to directly access the nth record. I could do it using a for loop, reading in n lines until I get to the record.
But how could I access it directly?
I'm looking for a way for a function to take actions based on how long it has been executing. For example, my function would loop continuously until 5 seconds has elapsed, in which case it returns immediately. Any suggestions?
hi all,
I am trying to get the longest and shortest timespan in a list using LINQ.
My code looks something like this
List listofTimeSpans = new List();
adding the timespans to listofTimeSpans in a foreach loop.
Please help me with this.
Thank you.
I'm trying to log URLs that access broken images, using an HTTP module to catch those images when accessed.
How do you retrieve the URL where that image sits on? is there a way to do it the other way round too? That is, loop through images served in a URL and decide which ones are broken.
This is all in ASP.NET with C#.
in R , when i use "print", i can see all the values, but how can i save this as a vector
for example, in for loop,
for (i in 1:10), i want the value of A , when i= 1,2,3,4..... but if i use the x=A, it only have the final value of A which is the value when i = 10. so , how can i save the vaule in print(A)
What is the easiest way to take an objects and convert any of its values from null to string.empty ?
I was thinking about a routine that I can pass in any object, but I am not sure how to loop through all the values.
What i want to do is set the background of a row based on some criteria, but the datagrid will be fairly large so i don't want to have to loop over all the rows again. The rows get created me doing something like "myDataGridView.DataSource = MyDataSource, so the only way i can think to edit rows is by using an event.
there is a row*s* added event, but that gives me a list of rows that i'd have to iterate over.
Thanks in advance for any help.
Instead of making a macro for each letter, as in
\def\bA{\mathbf{A}}
...
\def\bZ{\mathbf{Z}}
Is there a way to loop over a character class (like capital letters) and generate macros for each? I'd also like to do the same for Greek letters (using bm instead of mathbf).
Click here to see a simple example of what I want. It's really easy, but for some reason Google won't display it.
It's part of a foreach loop, if needed I can add other codes.
There is nothing else in the rest of the css to mess with this, I have checked about 10 times.
Thanks.
Hello all ,
I have a string like "SAB_bARGS_D" . What I want is that the string gets divided into list of characters but whenever there is a _ sign the next character gets appended to the previous one.
So the answer to above should be ['S','A','B_b','A','R','G','S_D']
It can be done by using a for loop traversing through the list but is there an inbuilt function that I can use.....
Thanks a lot