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Get current stack trace in Ruby without raising an exception
...one supports a parameter to skip any number of callers; see: stackoverflow.com/a/3829269/520567
– akostadinov
Dec 2 '14 at 11:59
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django - query filter on manytomany is empty
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How do you pass arguments to define_method?
...ming the block and keeping a reference to it in the class. The parameters come with the block. So:
define_method(:say_hi) { |other| puts "Hi, " + other }
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How can I make Array.Contains case-insensitive on a string array?
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array.Contains("str", StringComparer.OrdinalIgnoreCase);
Or depending on the specific circumstance, you might prefer:
array.Contains("str", StringComparer.CurrentCultureIgnoreCase);
array.Contains("str", StringComparer.InvariantCultureIgnoreCase);
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how to customize `show processlist` in mysql?
...'s so nice,but it's the same as show full processlist,say,the INFO part is complete,is there a short version?Or maybe I need to use substr
– omg
May 30 '09 at 12:14
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
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http://wiki.postgresql.org/wiki/Transactional_DDL_in_PostgreSQL:_A_Competitive_Analysis provides an overview of this issue from PostgreSQL's perspective.
Is DDL transactional according to this document?
PostgreSQL - yes
MySQL - no; DDL causes an implicit commit
Oracle Database 11g Release...
How do you determine which backend is being used by matplotlib?
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Haskell export current module with additional imported module
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NSInvocation for Dummies?
...cess a variable of some object, you are sending it a message. NSInvocation comes in handy when you want to send a message to an object at a different point in time, or send the same message several times. NSInvocation allows you to describe the message you are going to send, and then invoke it (actu...