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If vs. Switch Speed
...es a hash table to dispatch these. The hash table uses the strings as keys and delegates to the case codes as values.
This has asymptotic better runtime than lots of chained if tests and is actually faster even for relatively few strings.
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What is the difference between varchar and varchar2 in Oracle?
What is the difference between varchar and varchar2?
6 Answers
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Nginx no-www to www and www to no-www
I am using nginx on Rackspace cloud following a tutorial and having searched the net and so far can't get this sorted.
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AppStore - App status is ready for sale, but not in app store
... guess it messes up with the dates. Looks like sometimes if you do nothing and just follow the instructions, the app will never go live.
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Why use Ruby's attr_accessor, attr_reader and attr_writer?
Ruby has this handy and convenient way to share instance variables by using keys like
5 Answers
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how to solve “ruby installation is missing psych” error?
...3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up:
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Migrating from JSF 1.2 to JSF 2.0
...SF 1.2 to 2.0 depends on the view technology which you are currently using and which you want to use.
JSP 2.x to JSP 2.x = Almost no effort.
Facelets 1.x to Facelets 2.0 = Little effort.
JSP 2.x to Facelets 2.0 = Lot of effort. Double this if you also have custom components.
Basic changes
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How to compare two dates?
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Use the datetime method and the operator < and its kin.
>>> from datetime import datetime, timedelta
>>> past = datetime.now() - timedelta(days=1)
>>> present = datetime.now()
>>> past < present
True
>&g...
AngularJS- Login and Authentication in each route and controller
I have an AngularJS application created by using yeoman, grunt and bower.
10 Answers
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
I have a small table and a certain field contains the type " character varying ". I'm trying to change it to " Integer " but it gives an error that casting is not possible.
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