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Fastest way to reset every value of std::vector to 0

... does assigning it to a new vector do heap allocation ? and then discard the allocation of the existing vector ? I could see that being slower than memset et al – Conrad Jones Jan 12 '18 at 19:40 ...
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When should I use a List vs a LinkedList

...is is .net specific): since the List is backed by an internal array, it is allocated in one contiguous block. If that allocated block exceeds 85000 bytes in size, it will be allocated on the Large Object Heap, a non-compactable generation. Depending on the size, this can lead to heap fragmentation, ...
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Create batches in linq

...are simpler solutions that do not accumulate at all. Furthermore this will allocate space even for non-existent elements: Batch(new int[] { 1, 2 }, 1000000) – Nick Whaley Jul 12 '13 at 18:56 ...
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How to prevent Browser cache for php site

I have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache. ...
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PHP: If internet explorer 6, 7, 8 , or 9

I want to do a conditional in PHP for the different versions of Internet Explorer along the lines of: 17 Answers ...
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What's the difference between echo, print, and print_r in PHP?

...en debugging No return value var_export() Outputs a human-readable and PHP-executable representation of any one value Accepts not just strings but other types including arrays and objects, formatting them to be readable Uses a different output format to both print_r() and var_dump() - resulting ...
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How can I connect to a Tor hidden service using cURL in PHP?

I'm trying to connect to a Tor hidden service using the following PHP code: 4 Answers ...
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Generating a drop down list of timezones with PHP

...low are two lists that I found and then one method using the built in PHP DateTime class in PHP 5. 25 Answers ...
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Getting HTTP code in PHP using curl

...lso helps with following redirects): How can I check if a URL exists via PHP? As a whole: $url = 'http://www.example.com'; $ch = curl_init($url); curl_setopt($ch, CURLOPT_HEADER, true); // we want headers curl_setopt($ch, CURLOPT_NOBODY, true); // we don't need body curl_setopt($ch, CUR...
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]

...en you do String s = new String("string constant"); you force a copy to be allocated. share | improve this answer | follow | ...