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Error installing libv8: ERROR: Failed to build gem native extension
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614
try this one:
gem install libv8 -v '3.16.14.3' -- --with-system-v8
Note : Because libv8 i...
How can I rename a database column in a Ruby on Rails migration?
...st db:migrate as usual or however you go about your business.
For Rails 4:
While creating a Migration for renaming a column, Rails 4 generates a change method instead of up and down as mentioned in the above section. The generated change method is:
$ > rails g migration ChangeColumnName
w...
Passing variable number of arguments around
... Servy
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answered Oct 15 '08 at 17:11
SmacLSmacL
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Printing hexadecimal characters in C
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134
You are seeing the ffffff because char is signed on your system. In C, vararg functions such as ...
Alternate output format for psql
I am using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
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How to get a string after a specific substring?
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419
The easiest way is probably just to split on your target word
my_string="hello python world ,...
How to get JSON from URL in JavaScript?
...uld look at this answer for pure JS solution: https://stackoverflow.com/a/2499647/1361042
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How to set timeout for http.Get() requests in Golang?
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edited Oct 4 '19 at 7:17
kubanczyk
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answered Aug...
How to change Elasticsearch max memory size
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BigRonBigRon
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How do I do a HTTP GET in Java? [duplicate]
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