Question:
The prime factors of 13195 are 5, 7, 13 and 29.
What is the largest prime factor of the number 600851475143?
I found this one pretty easy, but running the file took an extremely long time, it's been going on for a while and the highest number I've got to is 716151937.
Here is my code, am I just going to have a wait or is there an error in my code?
//User made class
public class Three
{
public static boolean checkPrime(long p)
{
long i;
boolean prime = false;
for(i = 2;i<p/2;i++)
{
if(p%i==0)
{
prime = true;
break;
}
}
return prime;
}
}
//Note: This is a separate file
public class ThreeMain
{
public static void main(String[] args)
{
long comp = 600851475143L;
boolean prime;
long i;
for(i=2;i<comp/2;i++)
{
if(comp%i==0)
{
prime = Three.checkPrime(i);
if(prime==true)
{
System.out.println(i);
}
}
}
}
}
Basically, this question with a difference...
Is it possible to capture print output from a TSQL stored procedure in .NET, using the Entity Framework?
The solution in the other question doesn't work for me. It works with the connection type from System.Data.SqlClient but I'm using the one from System.Data.EntityClient which does not have an InfoMessage event. (Of course, I could just create an SQL connection based on the Entity connection settings, but prefer to do it directly.)
How to make this method return boolean value, depending on query return. False - nothing, True - data exists. Before i just returned int from uniqueQuote.Count() but does not look like great method. Thank you!
private bool CheckEnquiryUser(int enquiryId, Guid userId)
{
int selectedEnquiryId = enquiryId;
Guid currentUserId = userId;
Entities ctx3 = new Entities();
var uniqueQuote = from quot in ctx3.Enquiries.Include("aspnet_Users")
where quot.EnquiryId == selectedEnquiryId &&
quot.aspnet_Users.UserId == currentUserId
select quot;
bool exist = uniqueQuote;
return exist;
i build a new website.but the host is in USA.i am not in USA.
i need get the time on the website page to compare with one local Variable.
But because of time difference,it has 8 hous difference?how to solve this problom?
my code
SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
java.util.Date currentTime = new java.util.Date();
String dateString = formatter.format(currentTime); `
how to revise these code ?
I'm writing some C code to parse IEEE 802.11 frames, but I'm stuck trying to create a new variable whose length depends on the size of the frame itself.
Here's the code I currently have:
int frame_body_len = pkt_hdr->len - radio_hdr->len - wifi_hdr_len - 4;
u_char *frame_body = (u_char *) (packet + radio_hdr->len + wifi_hdr_len);
Basically, the frame consists of a header, a body, and a checksum at the end. I can calculate the length of the frame body by taking the length of the packet and subtracting the length of the two headers that appear before it (radio_hdr->len and wifi_hdr_len respectively), plus 4 bytes at the end for the checksum.
However, how can I create the frame_body variable without the trailing checksum? Right now, I'm initializing it with the contents of the packet starting at the position after the two headers, but is there some way to start at that position and end 4 bytes before the end of packet? packet is a pointer to a u_char, if it helps.
I'm a new C programmer, so any and all advice about my code you can give me would be much appreciated. Thanks!
I am aware of array_walk() and array_map(). However when using the former like so (on an old project) it failed
array_walk($_POST, 'mysql_real_escape_string');
Warning: mysql_real_escape_string()
expects parameter 2 to be resource,
string given.
So I went with this slightly more ugly version
foreach($_POST as $key => $value) {
$_POST[$key] = mysql_real_escape_string($value);
}
So why didn't the first way work? What is the best way to map values of an array to a function?
Originally I though I'll just take a screenshot of my app on the iPhone then tweak it in Photoshop.
The images should be 480 x 320 according to Apple doc, and the dimensions of my screenshot are 480 x 320. But, the screenshot contains notification area (where reception bars, battery life, etc. are displayed)
So, if I chop that part off my image will be a bit shorter and not 480px high.
What do I do? Submit a shorter image? Stretch it up so it's 480px but without the notification bar? Submit it with the notification bar in the image?
How did you create your Default.png?
Suppose I have some output from a command (such as ls -1):
a
b
c
d
e
...
I want to apply a command (say echo) to each one, in turn. E.g.
echo a
echo b
echo c
echo d
echo e
...
What's the easiest way to do that in bash?
I am trying to format currency that will always contain 2 decimal digits, but if there are extra digits of accuracy to display up to five. As an example:
for value = 5.0
display: $5.00
for value = 5.023
display: $5.023
for value = 5.333333333333333
display: $5.33333
I have been playing with the .ToString() formatting, but I can't seem to find the right match of options.
Clarification:
I want to show from 2-5 decimals, truncating zeros after the second digit.
for value = 5.000000000000000
display: $5.00
for value = 5.333333333333333
display: $5.33333
How to acces each element in macro if the definition is like MACRO(name, seq) and the code is like:
MACRO("TheName",
(Elem1)
(Elem2)
(Elem3)
)
I want to generate the next code:
MACRO("TheName",
ELEMMACRO(Elem1)
ELEMMACRO(Elem2)
ELEMMACRO(Elem3)
)
Or something like that. In other words, I want to process every parameter separately (I don't care of definition, even if it will be something like
MACRO("TheName",
Elem1,
Elem2,
Elem3
)
There could be more elements, there could be less. I have tried V_ARGS (I need it only for gcc), but I can only copy all the elements by that, not to process them separately.
What can I do?
P.S. Because of some reasons, I can't use Boost.
MYMESSAGE = "<div>Hello</div><p></p>Hello"
send_mail("testing",MYMESSAGE,"[email protected]",['[email protected]'],fail_silently=False)
However, this message doesn't get the HTML mime type when it is sent. In my outlook, I see the code...
`*the midvile park maintains records containing info about players on it's soccer teams . each record contain a players first name,last name,and team number . the team are
team number team name
1 goal getters
2 the force
3 top gun
4 shooting stars
5 midfield monsters
design a proggram that accept player data and creates a report that lists each player along with his or her team number and team name
Is it possible to get the name of a node using minidom?
for example i have a node:
<heading><![CDATA[5 year]]></heading>
what i'm trying to do is store the value heading so that i can use it as a key in a dictionary,
the closest i can get is something like
[<DOM Element: heading at 0x11e6d28>]
i'm sure i'm overlooking something very simple here, thanks!
Hello to all!
I am writing a small Django application and I should be able to create
for each model object its periodical task which will be executed with
a certain interval. I'm use for this a Celery application, but i can't understand one thing:
class ProcessQueryTask(PeriodicTask):
run_every = timedelta(minutes=1)
def run(self, query_task_pk, **kwargs):
logging.info('Process celery task for QueryTask %d' %
query_task_pk)
task = QueryTask.objects.get(pk=query_task_pk)
task.exec_task()
return True
Then i'm do following:
>>> from tasks.tasks import ProcessQueryTask
>>> result1 = ProcessQueryTask.delay(query_task_pk=1)
>>> result2 = ProcessQueryTask.delay(query_task_pk=2)
First call is success, but other periodical calls returning the error
- TypeError: run() takes exactly 2 non-keyword arguments (1 given) in
celeryd server.
So, can i pass own params to PeriodicTask run() ?
Thanks!
I want to double click on a div, but right now it "selects"/highlights a word. How do I make it so that this doesn't happen?
I tried:
$(this).hide().show()
and
$(this).blur()
But it still highlights the word.
I'm working on a windows forms application that uses a DataGridView. Some of the cells contain a DataGridViewComboBox. In some cases, I have several values to display in the combobox. For that scenario, it would be better to use a ListBox instead of a ComboBox.
Is it possible to use a multi-column listbox within a DataGridView instead of a ComboBox?
If so, can you point me in the right direction?
Thanks much.
Al D.
Essentially, I just want to change the home button from just hiding my app to killing the activity that is on the screen.
I thought about writing a broadcast receiver that kills the activity, but I'm not sure how to kill the activity from the receiver.
How do I change the functionality of the home button to "finish" the specific activity?
Thanks
I know that the android plattform is open source. What I am interested in is the share of open source Android apps, thus developers that realease their own apps under a open source license.
Does anybody have an idea, how to get this information?
I have an analysis that can be parallelized over a different number of processes. It is expected that things will be both IO and CPU intensive (very high throughput short-read DNA alignment if anyone is curious.)
The system running this is a 48 core linux server.
The question is how to determine the optimum number of processes such that total throughput is maximized. At some point the processes will presumably become IO bound such that adding more processes will be of no benefit and possibly detrimental.
Can I tell from standard system monitoring tools when that point has been reached?
Would the output of top (or maybe a different tool) enable me to distinguish between a IO bound and CPU bound process? I am suspicious that a process blocked on IO might still show 100% CPU utilization.
How to make reference from xml-comment of UpdateChanged to Long1 field ?
public sealed class SystemConfiguration
{
public long Long1;
/// <summary>
/// Make reference to Long1
/// </summary>
public bool UpdateChanged;
}
The title explains it well. I have set up Notepad++ to open the python script in the command prompt when I press F8 but all Swedish characters looks messed up when opening in CMD but perfectly fine in e.g IDLE.
This simple example code:
#!/usr/bin/env python
#-*- coding: UTF-8 -*-
print "åäö"
Looks like this.
As you can see the output of the bath file I use to open Python in cmd below shows the characthers correctly but not the python script above it. How do i fic this?
This is really a few questions in one, I'm wondering what the performance cost is for these things, as I haven't really been following a best practice of any sort for these. The answers may also be useful to other readers, if somebody knows these.
(1) If I need the core data managed object context, is it bad to use
#import "myAppDelegate.h"
//farther down in the code:
NSManagedObjectContext *context = [(myAppDelegate.h*)[[UIApplication sharedApplication] delegate] managedObjectContext];
as opposed to leaving the warning you get if you don't cast the delegate?
(2) What is the cheapest way to hard-code a string? I have been using
return @"myString";
on occasion in some functions where I need to pass it to a variety of places, is it better to do it this way:
static NSString *str = @"myString";
return str;
(3) How costly is it to subclass an object i wrote vs. making a new one, in general?
(4) When I am using core data and navigating through a hierarchy of some sort, is it necessary to turn things back into faults somehow after I read some info from them? or is this done automatically?
Thanks for any help.
I have been working in a big program and one of its functionalities should be to print the contents of the main window. I checked the API and found this example:
http://docs.oracle.com/javase/tutorial/2d/printing/gui.html
it was very helpful, I tried to use that code in my program by placing this inside the actionperformed method of my print button:
PrinterJob job = PrinterJob.getPrinterJob();
job.setPrintable(this);
boolean ok = job.printDialog();
if (ok) {
try {
job.print();
} catch (PrinterException ex) {
/* The job did not successfully complete */
}
}
If I click the print button, I get a printer dialog and when I tell it to print, it just prints a blank document. I know the above code is not all I need, as I've seen in the API's examples there is a print() method, but apparently they never call it, so it is pretty confusing. I've tried calling and using it many times, but with no success.
Also, I think that when I finally get it to print, my window will need to be printed in the landscape orientation, it even may need some scaling. Any ideas on how to do that?
I would like any useful help to help me implement this code successfully. I know I should be able to do it by myself just by checking the documentation (I've tried for almost 2 days now) but I can't get it to work. I've learned all the programming I know through the internet. Any help will be greatly appreciated.