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How do you detect where two line segments intersect? [closed]
...Specifically, h is how much you have to multiply the length of the line in order to exactly touch the other line.
Therefore, If h<0, it means the rectangle line is "behind" the given line (with "direction" being "from A to B"), and if h>1 the rectangle line is "in front" of the given line.
D...
How can I implement an Access Control List in my Web MVC application?
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Batch file include external file for variables
...subjects (family, size, color, animals) and apply them individually in any order anywhere you want in your batch scripts:
@echo off
rem Empty the variable to be ready for label config_all
set config_all_selected=
rem Go to the label with the parameter you selected
goto :config_%1
REM This next li...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
... point:
Unless you are trying to parallelize a CPU-intensive operation in order to get it done faster on a low-load site, there is no point in using a worker thread at all.
That goes for both free threads, created by new Thread(...), and worker threads in the ThreadPool that respond to QueueUserWo...
Unable to export Apple production push SSL certificate in .p12 format
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In order to export as p12 you either need to generate the cert from your machine or have the key that was used to generate it on your machine.
To ensure this will work:
Log in to Apple's Dev Center
Go to the Provisioning Port...
Logging levels - Logback - rule-of-thumb to assign log levels
...significant happened; a new user came to the site, a page was rendered, an order was taken, a price was updated. This is the stuff excluded from info because there would be too much of it.
Trace is something i have never actually used.
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“To Do” list before publishing Android app to market [closed]
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Really useful but keep in mind that, In order to provide a proper UX experience, you better have valid reasons to go full screen. Like if you want user to focus on one single element and remove all other distractions on the way.
– whizzkid
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How to force the browser to reload cached CSS/JS files?
...it, there's no pain in figuring out which version you need to return to in order for your visitors not to re-download.
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...ou just want to filter down the table and maintain all other aspects (sort order, cell layout, etc.) of the search results.
First, define two properties in your UITableViewController subclass (with the appropriate @synthesize and dealloc, if applicable):
@property (nonatomic, retain) UISearchDispl...
Using smart pointers for class members
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@BjörnPollex, in order for weak_ptr::lock() to tell if the object has expired it must inspect the "control block" that contains the first reference count and pointer to the object, so the control block must not be destroyed while there are an...