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How to hash a string into 8 digits?
... int(hashlib.sha256(s.encode('utf-8')).hexdigest(), 16) % 10**8
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If you want to use the hash() function instead, the important caveat is that, unlike in Python 2.x, in Python 3.x, the result of hash() will only be consistent within a process, not across python invocations. See here:
$ pyt...
How to use greater than operator with date?
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what happens if its timestamp?
– ichimaru
Jul 19 '18 at 6:16
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How to do INSERT into a table records extracted from another table
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actually if no. of columns and their types are same and those exits in same order in the tables then you can simply say, INSERT INTO Table2 SELECT * FROM table1;
– sactiw
Dec 21 '15 at 17:23
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fs: how do I locate a parent folder?
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@eyurdakul If I understand it corrently: __dirname may look like /path/to/your/dir, if you say __dirname + ".." it is /path/to/your/dir.., which is a nonexistent directory, rather than /path/to/your. The slash is important.
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Keyboard shortcut to comment lines in Sublime Text 3
...e to comment out a line or a block of lines with Ctrl + / and Ctrl + Shift + / . According to the menu Edit > Comment these shortcuts should be valid, but in Sublime Text 3 (build 3047) they no longer seem to work. Does anybody know the right default keyboard shortcuts for Linux and MacOS? ...
How to make div background color transparent in CSS
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@Subir if you need another way, see Jerska's answer. But as said, it seems questionable why you want to avoid opacity in the first place.
– Pekka
Aug 4 '12 at 9:07
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Java “params” in method signature?
In C#, if you want a method to have an indeterminate number of parameters, you can make the final parameter in the method signature a params so that the method parameter looks like an array but allows everyone using the method to pass as many parameters of that type as the caller wants.
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rails 3 validation on uniqueness on multiple attributes
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I would add that if you want to use :scope on foreign keys, you need to use the :fkey_id symbols, instead of :fkey ones, even if a "basic" :uniqueness works on :fkey
– nbarraille
Sep 7 '12 at 2:48
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How to get size of mysql database?
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@Vidz are you using InnoDB engine. If you do, you can free space unless you use file_per_table and alter tables.
– mandza
Nov 1 '14 at 9:32
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Query to count the number of tables I have in MySQL
...ne query to count the number of tables in my database. Is that possible? If so, what is the query?
12 Answers
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