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javax.validation.ValidationException: HV000183: Unable to load 'javax.el.ExpressionFactory'
...n Language dependencies on the classpath. See also hibernate.org/validator/documentation/getting-started
– Hardy
Jun 25 '14 at 9:01
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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...s explicit, so you can get away with a slightly dumber optimizer.
When in doubt, test!
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Statistics: combinations in Python
... to compute combinatorials (nCr) in Python but cannot find the function to do that in math , numpy or stat libraries. Something like a function of the type:
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Static constant string (class member)
...s the goodness that it is initialized before all dynamic initialization is done. So in any object's constructor, you can rely on RECTANGLE to have been initialized alreay then.
– Johannes Schaub - litb
Oct 16 '09 at 11:40
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Bold words in a string of strings.xml in Android
... string, you may need to put the bold/italic tags in a CDATA block so they don't get parsed until it's used by Html.fromHtml(): ... <![CDATA[<b><i>so</i></b>]]> ...
– dule
Mar 30 '12 at 19:33
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Android java.lang.VerifyError?
...ection of the Android project preferences, below the list of SDK versions. Do your external projects you're relying on in your build show up there, with a green tick next to them?
– Adam
Feb 20 '12 at 5:35
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How to use the PI constant in C++
... the trigonometric functions with include <math.h> . However, there doesn't seem to be a definition for PI in this header file.
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Redis: Show database size/size for keys
...and just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that give me more information when monitoring the redis server would be appreciated.
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Why am I getting error for apple-touch-icon-precomposed.png
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I believe the above author means the configured web document-root directory, e.g. in Apache 2.4 it usually /var/www/htdocs
– Hgehlhausen
Dec 14 '16 at 19:40
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Nodemailer with Gmail and NodeJS
...ler to implement a contact form using NodeJS but it works only on local it doesn't work on a remote server...
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