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I have an object, that is facing a particular direction with (for instance) a 45 degree field of view, and a limit view range. I have done all the initial checks (Quadtree node, and distance), but now I need to check if a particular object is within that...
Started by Furis on
, 6 posts
by 6 people.
Answer Snippets (Read the full thread at stackoverflow):
If you're doing 3D and can define the viewing range as a frustrum, then you can use something, then that corner of the box is....
That angle))).
If it falls under FieldOfView/2, you can view the object.
At you and ends at the object.
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In my C++ program, I want to make sure i can write info to a file. How can I perform this check?
Started by Erik Sapir on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
The only sure way to find if you can write to a file is to try to write.
The tags on your question.
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Hi,
How can I check an existence of a file (It is an xml file that I would like to check in this case) with JavaScript?
Thanks, Burak Ozdogan
Started by burak ozdogan on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
If you're using....
Your best bet is to do the check server side and send some context back a look at the $.ajax function)
Once you call $.ajax you can use the success/error handlers is NOT a recommended way to do this.
Handling functions.
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How can i check if a file is an mp3 file or image file, other than check each possible extension?
Started by kmunky on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
To find out more about MP3 and other audio/video_content_type')) { $mimetype = mime_content_type($filename); } return $mimetype; }
You can use FileInfo module which is built into PHP since....
You can identify image files using getimagesize .
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I use ClearCase. How can I find out who's checked out a given file?
Answer Snippets (Read the full thread at stackoverflow):
Assuming.
But remember: you can also force a rmname through the CLI (Command-Line Interface) cleartool.
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First my context is that of a compiler writer who needs to convert floating point literals (strings) into float/double values. I haven't done any floating point programming the last 15 years so i'm pretty sure this is a total stupid newbie question.
double...
Started by Lothar on
, 7 posts
by 7 people.
Answer Snippets (Read the full thread at stackoverflow):
On MSVC you can use _atoflt "1.1foo"), it will....
Since you have your value in a double , you can just check ) then there are more digits than what can be safely stored in float.
Wants to use float instead of double anyway.
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My thought is to use CreateFile from kernel32 and check for sharing violations. I believe this will work because I watched the file system activity with Process Monitor while issuing a rename command from CMD that I knew would fail and the last activity...
Started by Daniel Straight on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
If you check first and rename later, you will not know that the....
In my opinion, this is a design problem that creates a race condition .
If the directory can be renamed and the point at which I want to rename the directory are not the same.
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How can I quickly check if Linux unzip is installed using Perl?
Answer Snippets (Read the full thread at stackoverflow):
You can check all that by simply just running::Can:
sub can_run { my ($self....
}
If you want has the necessary privileges to run it, and so on .
Want to check for, you can do
if ( (`unzip`)[0] =~ /^UnZip/ ) { # ...
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How can I check missed call in iPhone using Objective-C?
Started by Brij on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
This way, you can detect missed calls.
ApplicationDidBecomeActive:(UIApplication *)application;
is called.
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In a PowerShell script, how can I check if I'm running with administrator privlieges?
Started by Michael Kelley on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
Have a look at:
http://serverfault.com/questions/11320/command-line-safety-tricks/29261#29261
function Test-Administrator
{
$user = [Security.Principal.WindowsIdentity]::GetCurrent() (New-Object Security.Principal.WindowsPrincipal $user).IsInRole([Security... .
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