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Easy way to test a URL for 404 in PHP?

I'm teaching myself some basic scraping and I've found that sometimes the URL's that I feed into my code return 404, which gums up all the rest of my code. ...
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Fatal error: “No Target Architecture” in Visual Studio

... windows.h defines alkinds of other defines based on compiler-switches and includes many WINAPI-headers ,some of which depending on things defned by windows.h. – engf-010 Jan 30 '11 at 22:26 ...
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Can you do a partial checkout with Subversion?

If I had 20 directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk? ...
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Is nested function a good approach when required by only one function? [closed]

... do_it() does would presumably be a bit more complicated than what can be handled by some arithmetic in a single return statement. – martineau Sep 2 '14 at 13:07 2 ...
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How to use hex color values

I am trying to use hex color values in Swift, instead of the few standard ones that UIColor allows you to use, but I have no idea how to do it. ...
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Rank function in MySQL

...d to find out rank of customers. Here I am adding the corresponding ANSI standard SQL query for my requirement. Please help me to convert it to MySQL . ...
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How do I set vertical space between list items?

...ou want to target, everything else would be overkill unless you plan to expand. Plus all answers have the disadvantage of adding space before and/or after the first/last list element. Which was not the question, he wanted to only have a spacing BETWEEN the list elements (at least he wrote it). The l...
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How do you check if a variable is an array in JavaScript? [duplicate]

...n. variable.constructor === Array This is the fastest method on Chrome, and most likely all other browsers. All arrays are objects, so checking the constructor property is a fast process for JavaScript engines. If you are having issues with finding out if an objects property is an array, you mus...
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How to “EXPIRE” the “HSET” child key in redis?

...tore along with the filed another field with an expire time, fetch both, and let the application understand if it is still valid or not based on current time. share | improve this answer ...
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ASP.NET MVC 5 - Identity. How to get current ApplicationUser

...r example the users table is now called AspNetUsers in Identity Framework, and the names of several primary key fields kept changing, so the code in several answers will no longer work as-is. Another problem is that the underlying OWIN access to the database will use a separate context, so changes ...