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DbEntityValidationException - How can I easily tell what caused the error?

... My Create View errors on base.SaveChanges() which is in the try block. It never jumps into the catch block. I got your code to over ride SaveChanges but it never gets into the Catch Block on error. – JustJohn Oct 21 '15 at 0:42 ...
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How to create a cron job using Bash automatically without the interactive editor?

...r what I found here and elsewhere I came up with this: The Code command="php $INSTALL/indefero/scripts/gitcron.php" job="0 0 * * 0 $command" cat <(fgrep -i -v "$command" <(crontab -l)) <(echo "$job") | crontab - I couldn't figure out how to eliminate the need for the two variables witho...
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Extracting text OpenCV

... Here is an alternative approach that I used to detect the text blocks: Converted the image to grayscale Applied threshold (simple binary threshold, with a handpicked value of 150 as the threshold value) Applied dilation to thicken lines in image, leading to more compact objects and less...
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Set type for function parameters?

... @JeffreySweeney neither is PHP statically typed. But you have the option to do type hinting in php. Have you ever looked at a big nodejs backend application? exactly, each function has arguments, and you have NO clue what each argument is. We are talki...
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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

...lt_server; For more information, see: http://forum.linode.com/viewtopic.php?t=8580 http://wiki.nginx.org/HttpCoreModule#listen share | improve this answer | follow ...
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ALTER TABLE without locking the table?

...f the statement. If it's a big table, INSERT or UPDATE statements could be blocked for a looooong time. Is there a way to do a "hot alter", like adding a column in such a way that the table is still updatable throughout the process? ...
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Implications of foldr vs. foldl (or foldl')

...:Util::reduce, C++'s accumulate, C#'s Aggregate, Smalltalk's inject:into:, PHP's array_reduce, Mathematica's Fold, etc. Common Lisp's reduce defaults to left fold but there's an option for right fold. share | ...
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How to enable Bootstrap tooltip on disabled button?

...er has display:inline then the tooltip doesn't seem to work. Using display:block and display:inline-block seem to work fine. It also appears to work fine with a floated wrapper. UPDATE Here's an updated JSFiddle that works with the latest Bootstrap (3.3.6). Thanks to @JohnLehmann for suggesting poi...
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What is self-documenting code and can it replace well documented code? [closed]

...ts of the code that are not self-documenting AND writes a comment for each block of code that explains the intent, or what the code does on a higher abstraction level (i.e. find all files larger than 10 MB instead of loop through all files in a directory, test if file size is larger than 10 MB, yiel...
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Redirect from an HTML page

...SEO people: <link rel="canonical" href="http://www.example.com/product.php?item=swedish-fish"/> share | improve this answer | follow | ...