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Error renaming a column in MySQL
...n. For example:
ALTER TABLE `xyz` CHANGE `manufacurerid` `manufacturerid` INT;
Remember :
Replace INT with whatever your column data type is (REQUIRED)
Tilde/ Backtick (`) is optional
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Why is f(i = -1, i = -1) undefined behavior?
...s nothing to say that the instructions performing the assignment cannot be interleaved. It might be optimal to do so, depending on CPU architecture. The referenced page states this:
If A is not sequenced before B and B is not sequenced before A, then
two possibilities exist:
evaluatio...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
...7,
kCFURLErrorResourceUnavailable = -1008,
kCFURLErrorNotConnectedToInternet = -1009,
kCFURLErrorRedirectToNonExistentLocation = -1010,
kCFURLErrorBadServerResponse = -1011,
kCFURLErrorUserCancelledAuthentication = -1012,
kCFURLErrorUserAuthenticationRequired = -1013,...
private[this] vs private
...rything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in some specific cases where I need to explicitly restrict changing field value even for objects of the same class? In ot...
Wait one second in running program
İ want to wait one second before printing my grid cells with this code, but it isn't working. What can i do?
10 Answers
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Get Month name from month number
...ed Month Names : "Aug"
DateTimeFormatInfo.GetAbbreviatedMonthName Method (Int32)
Returns the culture-specific abbreviated name of the specified month
based on the culture associated with the current DateTimeFormatInfo
object.
string monthName = CultureInfo.CurrentCulture.DateTimeFormat.Ge...
Is the != check thread safe?
...e following execution scenario:
The program is loaded and the JVM starts interpreting the bytecodes. Since (as we have seen from the javap output) the bytecode does two loads, you (apparently) see the results of the race condition, occasionally.
After a time, the code is compiled by the JIT compi...
Can I return the 'id' field after a LINQ insert?
When I enter an object into the DB with Linq-to-SQL can I get the id that I just inserted without making another db call? I am assuming this is pretty easy, I just don't know how.
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C#/Linq: Apply a mapping function to each element in an IEnumerable?
I've been looking for a way to transform each element of an IEnumerable into something else using a mapping function (in a Linq-compatible way) but I haven't found anything.
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How to pattern match using regular expression in Scala?
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Since version 2.10, one can use Scala's string interpolation feature:
implicit class RegexOps(sc: StringContext) {
def r = new util.matching.Regex(sc.parts.mkString, sc.parts.tail.map(_ => "x"): _*)
}
scala> "123" match { case r"\d+" => true case _ => fals...