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Convert JSON to Map
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I hope you were joking about writing your own parser. :-)
For such a simple mapping, most tools from http://json.org (section java) would work.
For one of them (Jackson https://github.com/FasterXML/jackson-databind/#5-minute-tutorial-streaming-parser-gener...
Fastest check if row exists in PostgreSQL
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This is better, because it will always return a value (true or false) instead of sometimes None (depending on your programing language) which might not expand the way you expect.
– isaaclw
Jun 10 '14 at 23:18
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kill -3 to get java thread dump
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You could alternatively use jstack (Included with JDK) to take a thread dump and write the output wherever you want. Is that not available in a unix environment?
jstack PID > outfile
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Age from birthdate in python
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edited Dec 4 '16 at 23:46
answered Mar 17 '12 at 22:46
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Installing rmagick on Ubuntu
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edited Jul 23 '18 at 10:24
Sergio Tulentsev
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How Do I Take a Screen Shot of a UIView?
...nContext. drawInContext is more a method you would override...
Note that it may not work in all views, specifically a year or so ago when I tried to use this with the live camera view it did not work.
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Differences between Ant and Maven [closed]
... someone tell me the differences between Ant and Maven? I have never used either. I understand that they are used to automate the building of Java projects, but I do not know where to start from.
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Making a Simple Ajax call to controller in asp.net mvc
I'm trying to get started with ASP.NET MVC Ajax calls.
9 Answers
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mysql Foreign key constraint is incorrectly formed error
I have two tables, table1 is the parent table with a column ID and table2 with a column IDFromTable1 (not the actual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if tab...
How does tuple comparison work in Python?
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Tuples are compared position by position:
the first item of the first tuple is compared to the first item of the second tuple; if they are not equal (i.e. the first is greater or smaller than the second) then that's the result of the comparison, el...