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Ruby Arrays: select(), collect(), and map()
..., but a Hash. You can also use select here, but the block is given the key and value in this case:
irb(main):001:0> h = {:sku=>"507772-B21", :desc=>"HP 1TB 3G SATA 7.2K RPM LFF (3 .", :qty=>"", :qty2=>"1", :price=>"5,204.34 P"}
irb(main):002:0> h.select { |key, value| !value.em...
HEAD and ORIG_HEAD in Git
What do these symbols refer to and what do they mean?
4 Answers
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Android: Difference between Parcelable and Serializable?
Why does Android provide 2 interfaces for serializing objects? Do Serializable objects interopt with Android Binder and AIDL files?
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PHP namespaces and “use”
I am having a little trouble with namespaces and the use statements.
2 Answers
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Wget output document and headers to STDOUT
I'm trying to output document body and its headers to stdout with wget by wget -S -O - http://google.com
5 Answers
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redis-py : What's the difference between StrictRedis() and Redis()?
...ind a suitable explanation of the difference between redis.StrictRedis() and redis.Redis() . Are they equivalent?
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Difference between CC, gcc and g++?
...t are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
...e '%02d' means to print an integer (d) taking up at least 2 characters (2) and left-padding with zeros instead of spaces (0).
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What is the MySQL VARCHAR max size?
...ySQL table has a maximum row size limit of 65,535 bytes, not counting BLOB and TEXT types. BLOB and TEXT columns only contribute 9 to 12 bytes toward the row size limit because their contents are stored separately from the rest of the row. Read more about Limits on Table Column Count and Row Size.
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What does f+++++++++ mean in rsync logs?
I'm using rsync to make a backup of my server files, and I have two questions:
4 Answers
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