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Reset keys of array elements in php?
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edited Jun 7 '18 at 19:04
Riz-waan
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File I/O in Every Programming Language [closed]
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edited May 23 '17 at 12:26
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SQL update fields of one table from fields of another one
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edited Jun 20 at 9:12
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answered Apr 25 '14 at 3:4...
How to create named and latest tag in Docker?
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edited Jan 3 '19 at 9:19
Shubham
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
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edited Feb 15 '16 at 5:15
Thirumalai Parthasarathi
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emacs zoom in/zoom out
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edited Dec 25 '13 at 23:18
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Fastest way to count exact number of rows in a very large table?
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Notes:
COUNT(1) = COUNT(*) = COUNT(PrimaryKey) just in case
Edit:
SQL Server example (1.4 billion rows, 12 columns)
SELECT COUNT(*) FROM MyBigtable WITH (NOLOCK)
-- NOLOCK here is for me only to let me test for this answer: no more, no less
1 runs, 5:46 minutes, count = 1,401,659,...
MySQL: how to get the difference between two timestamps in seconds
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edited May 23 '17 at 12:18
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Is it possible to “decompile” a Windows .exe? Or at least view the Assembly?
...ed tools that might come handy in whatever it is you're doing are resource editors such as ResourceHacker (free) and a good hex editor such as Hex Workshop (commercial).
Additionally, if you are doing malware analysis (or use SICE), I wholeheartedly suggest running everything inside a virtual machin...
Format number to 2 decimal places
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edited Oct 22 '18 at 9:57
Madhur Bhaiya
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