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Downloading a large file using curl

... to download. */ curl_setopt($ch, CURLOPT_URL,'http://news.google.com/news?hl=en&topic=t&output=rss'); $fp = fopen('rss.xml', 'w+'); /** * Ask cURL to write the contents to a file */ curl_setopt($ch, CURLOPT_FILE, $fp); curl_exec ($ch); curl_close ($ch); fclose($fp); ?> If you want t...
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How can I create a keystore?

...ur State] What is the two-letter country code for this unit? [Unknown]: 91 Enter > Enter Y Is CN=AB, OU=Self, O=Self, L=INDORE, ST=MP, C=91 correct? [no]: Y Enter > Enter password again. Generating 2,048 bit RSA key pair and self-signed certificate (SHA256withRSA) with a validity of...
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How do I remove the last comma from a string using PHP?

...swered Mar 30 '15 at 8:59 VijayS91VijayS91 1,5052222 silver badges3737 bronze badges ...
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What is the meaning and difference between subject, user and principal?

... sources disagree. SANS doesn't define principal or subject at all bit.ly/hl4rUP and NIST bit.ly/fE7NJs defines subject specifically as a person. Other "authoritative" sources are similarly vague which, considering the importance of clarity in this field, is rather disappointing. The IEE has a glo...
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How do I use a custom Serializer with Jackson?

...public final double double1 = 1234.5678; public final Double Double1 = 91011.1213; public final Student student1 = new Student(); } public class Student { public final double double2 = 1920.2122; public final Double Double2 = 2324.2526; } 2) Assume that these are the serializers w...
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Why is GHC so large/big?

...sheets.google.com/ccc?key=0AveoXImmNnZ6dDlQeHY2MmxPcEYzYkpweEtDSS1fUlE&hl=en It looks like the largest directory (123 MB) is the binaries for compiling the compiler itself. The documents weigh in at an astounding 65 MB. Third place is Cabal at 41 MB. The bin directory is 33 MB, and I think t...
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Does Python optimize tail recursion?

...u may find it with my explanations there: https://groups.google.com/forum/?hl=fr#!topic/comp.lang.python/dIsnJ2BoBKs It can embed a lambda function written with a tail recursion style in another function which will evaluate it as a loop. The most interesting feature in this small function, in my h...
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Setting EditText imeOptions to actionNext has no effect

... Surendra KumarSurendra Kumar 2,40911 gold badge99 silver badges1010 bronze badges ...
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How can I add a vertical scrollbar to my div automatically?

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Summarizing multiple columns with dplyr? [duplicate]

...gt; <dbl> <dbl> <dbl> #> 1 1 3.08 2.98 2.98 2.91 #> 2 2 3.03 3.04 2.97 2.87 #> 3 3 2.85 2.95 2.95 3.06 If you want to summarize only certain columns, use summarise_at or summarise_if functions. Alternatively, the purrrlyr package provides the same ...