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How many database indexes is too many?

...ndex on every column. If some tables have 80 columns the I guess it could start to make an impact. Oracle seems to consider the cost of access by each index. But yes, I agree, there are more important things to consider than this. – WW. May 30 '13 at 22:43 ...
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URL to load resources from the classpath in Java

...get you somewhere (in my case, I like to keep my options open like Java WebStart - which is why I need all this). Workarounds/Enhancements Manual code Handler specification If you control the code, you can do new URL(null, "classpath:some/package/resource.extension", new org.my.protocols.classpa...
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MySQL - Rows to Columns

...teps to take to solve this problem. I apologize if it's too long. I'll start out with the base you've given and use it to define a couple of terms that I'll use for the rest of this post. This will be the base table: select * from history; +--------+----------+-----------+ | hostid | itemname...
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How do I get NuGet to install/update all the packages in the packages.config?

...kages folder deleted the package(s) in question and it downloaded them and started working. – Maslow Apr 12 '13 at 19:17 4 ...
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How many levels of pointers can we have?

... On another note, I would start to cut myself if I had to work with code that had long-ass dereferencing chains (specially when liberally peppered all over the place.) – luis.espinal Apr 10 '12 at 16:03 ...
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Filter output in logcat by tagname

...g TAG filters: any (*) View - VERBOSE any (*) Activity - VERBOSE any tag starting with Xyz(*) - ERROR System.out - SILENT (since I am using Log in my own code) Here what I type in terminal: $ adb logcat *View:V *Activity:V Xyz*:E System.out:S ...
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What is an AngularJS directive?

...allow HTML tags to take on more dynamic, object-like behaviors so they can start to become manipulable in O-O type programming? – tohster Dec 14 '12 at 9:29 ...
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How can I add new keys to a dictionary?

...to be legitimate python words, you can't have spaces or special symbols or start the name with a number, but many consider this a more readable way to create keys for a dict, and here we certainly avoid creating an extra unnecessary dict: my_dict.update(foo='bar', foo2='baz') and my_dict is now: {'...
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Is there a command like “watch” or “inotifywait” on the Mac?

...s to do) and it remembers the watches you've created after reboot and auto starts them up again. – Brad Oct 25 '19 at 1:33 add a comment  |  ...
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What is the difference between and ?

... ya,but he could have start a discussion with some relevant info ,any way will edit it – Ashish Agarwal Feb 9 '10 at 3:52 1 ...