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MySQL ON vs USING?

...d to just say film_id since that would make for an ambiguity: ERROR 1052 (23000): Column 'film_id' in field list is ambiguous As for select *, the joining column appears in the result set twice with ON while it appears only once with USING: mysql> create table t(i int);insert t select 1;c...
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ValidateRequest=“false” doesn't work in Asp.Net 4

I have a form at which I use ckeditor. This form worked fine at Asp.Net 2.0 and 3.5 but now it doesn't work in Asp.Net 4+. I have ValidateRequest="false" directive. Any suggestions? ...
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What does the number in parentheses shown after Unix command names in manpages mean?

For example: man(1) , find(3) , updatedb(2) ? 7 Answers 7 ...
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Adding a Method to an Existing Object Instance

...t "fooFighters" ... >>> A.fooFighters = fooFighters >>> a2 = A() >>> a2.fooFighters <bound method A.fooFighters of <__main__.A instance at 0x00A9BEB8>> >>> a2.fooFighters() fooFighters Previously defined instances are updated as well (as long as they ...
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Is it correct to use JavaScript Array.sort() method for shuffling?

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How to plot two histograms together in R?

...data and combine them. carrots <- data.frame(length = rnorm(100000, 6, 2)) cukes <- data.frame(length = rnorm(50000, 7, 2.5)) # Now, combine your two dataframes into one. # First make a new column in each that will be # a variable to identify where they came from later. carrots$veg <- ...
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Python SQL query string formatting

...p://docs.python.org/), which could be qualified a somewhere between Option 2 and Option 4 Code Sample: sql = ("SELECT field1, field2, field3, field4 " "FROM table " "WHERE condition1=1 " "AND condition2=2;") Works as well with f-strings: fields = "field1, field2, field3, fi...
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SHA-1 fingerprint of keystore certificate

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How to get the input from the Tkinter Text Widget?

... 132 To get Tkinter input from the text box, you must add a few more attributes to the normal .get() ...
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Only using @JsonIgnore during serialization, but not deserialization

... | edited Feb 27 '16 at 17:52 answered Sep 20 '12 at 1:53 ...