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Get MD5 hash of big files in Python
...2084795 open always opens a fresh file handle with the position set to the start of the file, (unless you open a file for append).
– Steve Barnes
Jul 5 '17 at 9:15
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Most efficient way to concatenate strings?
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StringBuilder has a huge comparable start-up cost, it's only efficient when used with very large strings, or very many concatenations. It isn't trivial to find out for any given situation. If performance is of issue, profiling is your friend (check ANTS).
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Remove the first character of a string
... be foo. But this function is helpful if you also have strings that do not start with a colon and you don't want to remove the first character then.
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Check if database exists in PostgreSQL using shell
...aracters to the output ('1\C-M') and one needs to check if the output only starts with 1: if [[ $(...) == 1* ]]
– jan
Jul 10 at 9:53
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Handling JSON Post Request in Go
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For start, it looks like this can handle a stream rather than needing you to load it all into a buffer yourself. (I'm a different Joe BTW)
– Joe
Sep 5 '13 at 15:14
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Is there an MD5 Fixed Point where md5(x) == x?
...e space of inputs for a given output would be infinite, but if you know it started as a 128-bit value you can narrow down the possibilities. There is a chance for "working backwards" if you don't treat the function as a black box, but instead read the spec and apply some mathematical thinking.
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Static nested class in Java, why?
...nts out, I think it is a better idea if you are using a nested class is to start off with it being static, and then decide if it really needs to be non-static based on your usage.
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Capistrano - clean up old releases
...r hook. Calling it directly shows the errors... I realized this when I was starting to run out of disk space.
– conny
Jul 14 '10 at 10:48
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How do I directly modify a Google Chrome Extension File? (.CRX)
...X header.
hexdump -C the_extension.crx | more
Look in the output for the start of the zip file, which are the ASCII bytes "PK". In the sample I tried, the PK was at offset 0x132. (From reading the CRX spec, I think this number will vary from file to file because of different signature lengths.) Th...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
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Updating FTDI driver and restarting Arduion helped me (MacOS 10.9.4, Arduino Nano 328)
– peetonn
Aug 17 '14 at 7:43
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