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How do I get a TextBox to only accept numeric input in WPF?
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Hi. I know this is a bit late but I'm trying to implement this but I keep getting errors. I'm guessing I'm missing some references. Are there any that are meant to be typed in other than the defaults after you created a class?
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mysql Foreign key constraint is incorrectly formed error
...he same type" applies even to collation, not just data type and length and bit signing.
Not that you'd mix collation in your model (would you?) but if you do, be sure your primary and foreign key fields are of the same collation type in phpmyadmin or Heidi SQL or whatever you use.
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
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@pelotom: You may want to read a bit about other kinds of logic. Plain classical logic often isn't useful in this context--I mentioned intuitionistic logic in my answer, but modal and linear logic are even "weirder", but also really awesome.
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The way to check a HDFS directory's size?
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Is there a Boolean data type in Microsoft SQL Server like there is in MySQL? [duplicate]
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You could use the BIT datatype to represent boolean data. A BIT field's value is either 1, 0, or null.
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Why does the default parameterless constructor go away when you create one with parameters
... book; little on low-level tech and lots on design decisions, with amusing bits like one person's speech saying you should have to donate a kidney before proposing a new feature (you'd think very hard, and only do it twice) right before his speech introducing both templates, and exceptions.
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Convert data.frame column to a vector?
...or or conspicuously fail?
– bli
Aug 10 '16 at 7:05
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How to make a div with no content have a width?
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answered Nov 13 '10 at 6:31
jcomeau_ictxjcomeau_ictx
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Extract only right most n letters from a string
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Great answer, but it was a bit of a double-take to see Hungarian notation in C# code.
– Jerad Rose
Jul 10 '14 at 15:46
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Removing duplicate rows in vi?
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If sorting is unacceptable, use :%!uniq to simply remove duplicate entries without sorting the file.
– cryptic0
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