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MySQL dump by query
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Update:
Original post asked if he could dump from the database by query. What he asked and what he meant were different. He really wanted to just mysqldump all tables.
mysqldump --tables myTable --where="id < 1000"
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How do I get the last four characters from a string in C#?
...x(0, mystring.Length - 4)); //how many lines is this?
If you're positive the length of your string is at least 4, then it's even shorter:
mystring.Substring(mystring.Length - 4);
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...y for R
BCNF is therefore more strict.
The difference is so subtle that what many people informally describe as 3NF is actually BCNF. For example, you stated here that 3NF means "data depends on the key[s]... and nothing but the key[s]", but that is really an informal description of BCNF and not ...
Java: Calling a super method which calls an overridden method
...see this.method2(). So even if you remove the this it still will not work. What @Sean Patrick Floyd is saying is correct
– Shervin Asgari
Jan 4 '11 at 16:01
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...;cinttypes>:
size_t a = 42;
printf("If the answer is %" PRIuPTR " then what is the question?\n", a);
If you really want to be safe, cast to uintmax_t and use PRIuMAX:
printf("If the answer is %" PRIuMAX " then what is the question?\n", static_cast<uintmax_t>(a));
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Condition within JOIN or WHERE
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@user1451111 Learn what LEFT/RIGHT JOIN returns: INNER JOIN rows plus unmatched left/right table rows extended by NULLs. FULL JOIN returns INNER JOIN rows UNION ALL unmatched left & right table rows extended by NULLs. Always know what INNER...
Replace part of a string with another string
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Why aren't from and to passed per const reference? What does your function if from isn't there? -1 from me for that.
– sbi
Aug 5 '10 at 19:15
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Get the index of the nth occurrence of a string?
Unless I am missing an obvious built-in method, what is the quickest way to get the n th occurrence of a string within a string?
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Why does the default parameterless constructor go away when you create one with parameters
...e constructor if you've added your own - the compiler could do pretty much whatever it wants! However, you have to look at what makes most sense:
If I haven't defined any constructor for a non-static class, I most likely want to be able to instantiate that class. In order to allow that, the comp...
Executing an EXE file using a PowerShell script
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exactly what I want! run an .exe file & '.\aaa.exe'
– Sharif Yazdian
Mar 25 at 3:38
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