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Select something that has more/less than x character
...e LENGTH function to the EmployeeName column). In Oracle, and probably in all other RDBMSs, this means that a regular index on EmployeeName will be useless to answer this query; the database will do a full table scan, which can be really costly.
However, various databases offer a function indexes ...
How to generate service reference with only physical wsdl file
...ence dialog, push a button and viola! I'm about 3 lines of code away from calling a service method. The whole process takes about 5 minutes. But I've been working with this client for weeks and have gotten no where all because their security folks won't open up access to any service definitions via ...
Proper usage of Java -D command-line parameters
... At least from bash it works with the quotes there (and also allows spaces this way), I use this all the day for ant-calls.
– Paŭlo Ebermann
Feb 18 '11 at 22:03
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Difference between exit(0) and exit(1) in Python
... code means a successful exit.
This is useful for other programs, shell, caller etc. to know what happened with your program and proceed accordingly.
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How does IPython's magic %paste work?
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You actually can copy code to IPython directly: you may have to first disable auto-indentation by entering %autoindent.
– Eric O Lebigot
Jan 15 '13 at 3:51
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What is the most efficient way to store tags in a database?
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Actually I believe de-normalising the tags table might be a better way forward, depending on scale.
This way, the tags table simply has tagid, itemid, tagname.
You'll get duplicate tagnames, but it makes adding/removing/editing...
An “and” operator for an “if” statement in Bash
...tion (quoting it). Your solution still fails with an empty STATUS, that is all I meant.
– Julien Vivenot
Nov 16 '12 at 0:32
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How to convert a ruby hash object to JSON?
... the possibility to extend existing classes with your own methods. That's called "class reopening" or monkey-patching (the meaning of the latter can vary, though).
So, take a look here:
car = {:make => "bmw", :year => "2003"}
# => {:make=>"bmw", :year=>"2003"}
car.to_json
# NoMethod...
How to change highlighted occurrences color in Eclipse's sidebar?
...Eclipse, placing the cursor on any type/variable/method/etc will highlight all occurrences in the text editor and place a faint bar in the right ruler to show you the location of other occurrences in the file.
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Android: Create spinner programmatically from array
I'm all new to Android and I'm trying to create a spinner programmatically and feeding it with data from an array, but Eclipse gives me a warning that I can't handle.
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