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Create directories using make file
...ts, there are other ways to fix the 'do not know how to make output/debug' error that results. One is to remove the dependency on the the 'directories' line. This works because 'mkdir -p' does not generate errors if all the directories it is asked to create already exist. The other is the mechani...
How to list active / open connections in Oracle?
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Error starting at line 1 in command: select * from FROM v$session Error at Command Line:1 Column:14 Error report: SQL Error: ORA-00903: invalid table name 00903. 00000 - "invalid table name" *Cause: *Action:
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地图组件（高德地图） · App Inventor 2 中文网
... will return 0 if the 标记
intersects or contains the mapFeature. If an error occurs, this method will return -1.
DistanceToPoint(纬度,经度)
Compute the distance, in meters, between a 标记 and a latitude, longitude point.
HideInfobox()
Hides the 标记’s info box if it is visibl...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...e (e.g. validation, business logic, login the user, etc).
If there are any errors, then you normally want to forward the request back to the same page and display the errors there next to the input fields and so on. You can use the RequestDispatcher for this.
If a POST is successful, you normally wa...
const vs constexpr on variables
...es a compile-time constant. For example:
constexpr double PI3 = PI1; // error
but:
constexpr double PI3 = PI2; // ok
and:
static_assert(PI1 == 3.141592653589793, ""); // error
but:
static_assert(PI2 == 3.141592653589793, ""); // ok
As to which you should use? Use whichever meets yo...
There is already an open DataReader associated with this Command which must be closed first
I have this query and I get the error in this function:
18 Answers
18
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
I'm getting an error when I run brew in the terminal:
9 Answers
9
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Install Windows Service created in Visual Studio
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I am getting the same error in VS2013. I checked the links you provided, verified that I have ProjectInstaller, including the components service[Process]Installer1, properly configured. I run installutil.exe as Administrator. It still reports "No ...
How do I find where an exception was thrown in C++?
...location of the exception.
Note: I say may because C++ supports non-local error handling through the use of language constructs to separate error handling and reporting code from ordinary code. The catch block can be, and often is, located in a different function/method than the point of throwing....
What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
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raise, fail, rescue, and ensure handle errors, also known as exceptions
throw and catch are control flow
Unlike in other
languages, Ruby’s throw and catch are not used for exceptions.
Instead, they provide a way to terminate execution early when no
fu...