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DbEntityValidationException - How can I easily tell what caused the error?
... var errorMessages = ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
// Join the list to a single string.
var fullErrorMessage = string.Join("; ", errorMessages);
...
Bash history without line numbers
...ply vertical whitespace or indenting at paragraph breaks, depending on the selected style."
$ history | awk ' $1=""; {print}'
clear
echo "In word processing and desktop publishing, a hard return or paragraph break indicates a new paragraph, to be distinguished from the soft return at the end of a...
How to turn off the Eclipse code formatter for certain sections of Java code?
... does what you want.
Else there is this ugly hack
String query = //
"SELECT FOO, BAR, BAZ" + //
" FROM ABC" + //
" WHERE BAR > 4";
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How do I escape double quotes in attributes in an XML String in T-SQL?
...ype="2" instanceId="215923801" dataSetId="1" /></transaction>'
select @xml.value('(//item/@value)[1]','varchar(50)')
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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...