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Generate array of all letters and digits
...mbers you can form ranges and iterate over them. try this to get a general idea:
("a".."z").each { |letter| p letter }
to get an array out of it, just try the following:
("a".."z").to_a
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How to sort mongodb with pymongo
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Any idea why they butchered the so easy {"field1": 1, "field2": 1} JSON notation?
– Nico
Aug 20 '18 at 19:50
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Can Json.NET serialize / deserialize to / from a stream?
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Any idea how I can use a custom converter along with this code? See no way of specifying a converter to be used by the serializer
– alwayslearning
Aug 18 '16 at 10:40
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Database Structure for Tree Data Structure
...bels of data stored in a hierarchical tree-like structure. You can get the idea from there.(For more information see: http://www.postgresql.org/docs/9.0/static/ltree.html)
In common LDAP is used to organize records in hierarchical structure.
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How to change node.js's console font color?
...ould change settings of his terminal. I'm sure it is possible on Linux. No idea about Windows.
– Dariuszp
Jul 8 '13 at 11:33
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...lready had a transaction.atomic() block, but I got this error and I had no idea why. I took this answer's advice and put a nested atomic block inside of my atomic block around the trouble-area. After that, it gave a detailed error of the integrity error I hit, allowing me to fix my code and do what ...
Best practices around generating OAuth tokens?
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Excellent, thanks. The version idea is a good one. I've got the URL-friendly Base64 going, but I am wishing I had a strictly alpha-numeric encoding for even easier reading.
– mckamey
Oct 26 '09 at 20:38
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How do I create a crontab through a script
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@Jared While I quite agree with the idea, saying it "is frowned upon" doesn't help much. Rather tell which other file should be edited, if any, or explain the risks of editing files manually. I'm planning to create some cron jobs via automated command line, an...
IntelliJ beginning of file keyboard shortcut
...ow and Command+DownArrow, it'll work like a normal text editor. I have no idea why that isn't the default in Intellij instead of the seemingly pointless "scroll one line" feature.
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difference between primary key and unique key
...ample given by the author may not seem suitable, but try to get an overall idea.
http://tsqltips.blogspot.com/2012/06/difference-between-unique-key-and.html
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