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How do I make a redirect in PHP?

... Summary of existing answers plus my own two cents: 1. Basic answer You can use the header() function to send a new HTTP header, but this must be sent to the browser before any HTML or text (so before the <!DOCTYPE ...> declaration, for example). header...
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Specifically, what's dangerous about casting the result of malloc?

...st to prevent this error is mostly the same reasoning as writing if (0 == my_var) instead of if (my_var == 0) since the latter could lead to a serious bug if one would confuse = and ==, whereas the first one would lead to a compile error. I personally prefer the latter style since it better re...
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Why doesn't c++ have &&= or ||= for booleans?

...ret_cast<bool*>(&i); b |= true; // MAY yield 3 (but doesn’t on my PC!) But since this code results in undefined behaviour anyway, we may safely ignore this potential problem in conforming C++ code. 1 Admittedly this is a rather big caveat as Angew’s comment illustrates: bool b = ...
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How to use a variable for the database name in T-SQL?

I use the database name in several places in my script, and I want to be able to quickly change it, so I'm looking for something like this: ...
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How to escape @ characters in Subversion managed file names?

...After all, how does svn know whether news@11 is the name of a directory in my tree or just a syntax for “revision 11 of news”? Thankfully, while svn will always assume the latter, there is a trivial workaround. You need only append an at sign to the end of the path, such as news@11@. svn cares o...
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What is the fastest way to compute sin and cos together?

...rums/thread/588470 Hope one of them helps. (I didn't use this instruction myself, sorry.) As they are supported on processor level, I expect them to be way much faster than table lookups. Edit: Wikipedia suggests that FSINCOS was added at 387 processors, so you can hardly find a processor which d...
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Uninstalling Android ADT

...rivial task, but I can't find an option to cleanly de-install the ADT from my Eclipse installation. Of course, I could just delete the folder of the SDK, but this just throws errors when starting up Eclipse the next time. The reason I'm asking is because my old ADT keeps throwing a wierd error (Fail...
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.htm vs .html ? Which file extension naming is more correct? [closed]

Which file extension should I choose for my HTML files? And why? 12 Answers 12 ...
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What is the difference between “Flush Magento Cache” and “Flush Cache Storage” in magento's cache ma

...ur own devices, eg; $cache = Mage::app()->getCache(); $cache->save("My cached text","cache_name",array("my_cache"),60*60*24); echo $cache->load("cache_name"); You will need to use flush cache storage to clear this if you make an update. In my case it's for a dynamically generated 3 leve...
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“:” (colon) in C struct - what does it mean? [duplicate]

...nd their contents at run time are unpredictable. They can be used as "dummy" fields, for alignment purposes. An unnamed bit field whose width is specified as 0 guarantees that storage for the member following it in the struct-declaration-list begins on an int boundary. This example defi...