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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 on , 6 posts by 6 people.  
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.
In my C++ program, I want to make sure i can write info to a file. How can I perform this check?
Started by on , 3 posts by 3 people.  
The only sure way to find if you can write to a file is to try to write.
The tags on your question.
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 on , 4 posts by 4 people.  
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 on , 7 posts by 7 people.  
To find out more about MP3 and other audio/video_content_type')) { $mimetype = mime_content_type($filename); } return $mimetype; } You can use FileInfo module which is built into PHP since....
You can identify image files using getimagesize .
I use ClearCase. How can I find out who's checked out a given file?
Started by on , 3 posts by 3 people.  
Assuming.
But remember: you can also force a rmname through the CLI (Command-Line Interface) cleartool.
First my context is that of a compiler writer who needs to convert floating point literals (strings) into float/double values. I haven't done any floating point programming the last 15 years so i'm pretty sure this is a total stupid newbie question. double...
Started by on , 7 posts by 7 people.  
On MSVC you can use _atoflt "1.1foo"), it will....
Since you have your value in a double , you can just check ) then there are more digits than what can be safely stored in float.
Wants to use float instead of double anyway.
My thought is to use CreateFile from kernel32 and check for sharing violations. I believe this will work because I watched the file system activity with Process Monitor while issuing a rename command from CMD that I knew would fail and the last activity...
Started by on , 3 posts by 3 people.  
If you check first and rename later, you will not know that the....
In my opinion, this is a design problem that creates a race condition .
If the directory can be renamed and the point at which I want to rename the directory are not the same.
How can I quickly check if Linux unzip is installed using Perl?
Started by on , 12 posts by 12 people.  
You can check all that by simply just running::Can: sub can_run { my ($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/ ) { # ...
How can I check missed call in iPhone using Objective-C?
Started by on , 4 posts by 4 people.  
This way, you can detect missed calls.
ApplicationDidBecomeActive:(UIApplication *)application; is called.
In a PowerShell script, how can I check if I'm running with administrator privlieges?
Started by on , 3 posts by 3 people.  
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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