Update README.md

README.md

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 ---
 license: apache-2.0
+language:
+- en
+tags:
+- code
+task_categories:
+- question-answering
+size_categories:
+- 10K<n<100K
 ---
+This is a collection of ~40k QA's in **C Language** from StackOverflow. The data has been initially cleaned, and each response is with **Accepted Answer**. 
+All data is **<1000** in length.
+
+The questions and answers were organized into a **one-line** format. A sample format is shown below:
+```json
+{
+    "question": "```\nFILE* file = fopen(some file)\n\npcap_t* pd = pcap_fopen_offline(file)\n\npcap_close(pd)\n\nfclose(file)\n```\n\nThis code occurs double free error.\n\nCould you explain about this happening?\n\nMy Guess is that pd and file pointers are sharing some datas.\n",
+    "answer": "As the documentation says, thepcap_closefunction closes the files associated with thepcap_tstructure passed to it. Closing the file again withfcloseis an error.\n"
+}
+```