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Extracting the last n characters from a ruby string
... Thanks for noting the operator precedence issue, Andrew. Gets me every time.
– perimosocordiae
Feb 2 '10 at 8:21
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How to merge 2 JSON objects from 2 files using jq?
I'm using the jq tools (jq-json-processor) in shell script to parse json.
6 Answers
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Using a Single Row configuration table in SQL Server database. Bad idea?
...ution is when you are later tasked with "let's also keep track of the last time each value was changed and who changed it...."
– Dave Mateer
Jun 28 '13 at 17:27
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MySQL Insert into multiple tables? (Database normalization?)
...INSERT_ID() to reuse autoincrement values.
Edit: you said "After all this time trying to figure it out, it still doesn't work. Can't I simply put the just generated ID in a $var and put that $var in all the MySQL commands?"
Let me elaborate: there are 3 possible ways here:
In the code you see ab...
How to prevent ifelse() from turning Date objects into numeric objects
... is clearly unwanted. I bumped into the very same 'bug' of ifelse multiple times now and it just keeps on stealing my time :-(
FW
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Bash: Strip trailing linebreak from output
When I execute commands in Bash (or to be specific, wc -l < log.txt ), the output contains a linebreak after it. How do I get rid of it?
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Query EC2 tags from within instance
Amazon recently added the wonderful feature of tagging EC2 instances with key-value pairs to make management of large numbers of VMs a bit easier.
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string to string array conversion in java
I have a string = "name";
I want to convert into a string array.
How do I do it?
Is there any java built in function? Manually I can do it but I'm searching for a java built in function.
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How to make a class property? [duplicate]
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assert baz.bar == 50
assert foo.bar == 50
The setter didn't work at the time we call Bar.bar, because we are calling
TypeOfBar.bar.__set__, which is not Bar.bar.__set__.
Adding a metaclass definition solves this:
class ClassPropertyMetaClass(type):
def __setattr__(self, key, value):
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Find region from within an EC2 instance
Is there a way to look up the region of an instance from within the instance?
28 Answers
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