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What is the difference between Tomcat, JBoss and Glassfish?
...sfish, which is better for production environment? Are there any reference information available to understand this?
– Sudhakar Chavali
Oct 10 '14 at 14:17
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What guidelines for HTML email design are there? [closed]
...is workaround for supporting bgimages stackoverflow.com/a/17358553/413032. Alternating a ms-word html.@smonff I completely agree with you. ........Why a html rendered by MS-Word !
– Davut Gürbüz
Jun 28 '13 at 6:31
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
... with NOWAIT specified
You can also look up the sql,username,machine,port information and get to the actual process which holds the connection
SELECT O.OBJECT_NAME, S.SID, S.SERIAL#, P.SPID, S.PROGRAM,S.USERNAME,
S.MACHINE,S.PORT , S.LOGON_TIME,SQ.SQL_FULLTEXT
FROM V$LOCKED_OBJECT L, DBA_OBJECTS ...
Using .otf fonts on web browsers
...d sites:
Good primer:
http://www.alistapart.com/articles/cssatten
Other Info:
http://randsco.com/index.php/2009/07/04/p680
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SparseArray vs HashMap
...ing the size of an object with getObjectSize(Object objectToSize).
Extra info is available from the official Oracle documentation.
Class = 12 bytes + (n instance variables) * 4 bytes
Array = 20 bytes + (n elements) * (element size)
Entry = 32 bytes + (1st element size) + (2nd element size)
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Not showing placeholder for input type=“date” field
... attributes must not be specified and do not apply to the element: accept, alt, checked, dirname, formaction, formenctype, formmethod, formnovalidate, formtarget, height, inputmode, maxlength, minlength, multiple, pattern, placeholder, size, src, and width.
Visual Studio immediate window command for Clear All
... have a context-menu key on your keyboard (you know, the one between right-alt and right-ctrl), you can use shift + F10 instead.
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Best GUI designer for eclipse? [closed]
...oking for a good GUI designer for swing in eclipse. My preference is for a free/open-source plugin.
12 Answers
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Overriding the java equals() method - not working?
...Builder.reflectionHashCode(...). Saved me plenty of headache in the past - although of course if you just want to do "equals" on ID it may not fit your circumstances.
I also agree that you should use the @Override annotation whenever you're overriding equals (or any other method).
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Generate UML Class Diagram from Java Project [closed]
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Does the free edition have this feature?
– Carven
May 29 '11 at 11:14
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