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Pointers, smart pointers or shared pointers? [duplicate]
...pointer or reference that should be treated as a weak reference - it is an error to access that pointer after the data structure that owns it is destructed, and it is an error to delete it. Under a shared pointer, the owning object can't destruct the internal data it returned if someone still holds ...
What is the most effective way for float and double comparison?
...ed by the majority of programmers. Floating point is always about relative errors, since it is floating point (not fixed point). So it will never correctly work with a fixed error (epsilon).
– user2261015
Apr 13 '17 at 7:58
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Excluding directory when creating a .tar.gz file
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I get tar: Error exit delayed from previous errors. in macos
– prayagupd
Jun 28 '18 at 23:32
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The located assembly's manifest definition does not match the assembly reference
...C# Windows Forms application (Visual Studio 2005), and I get the following error:
53 Answers
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How to automatically generate a stacktrace when my program crashes
...ce(array, 10);
// print out all the frames to stderr
fprintf(stderr, "Error: signal %d:\n", sig);
backtrace_symbols_fd(array, size, STDERR_FILENO);
exit(1);
}
void baz() {
int *foo = (int*)-1; // make a bad pointer
printf("%d\n", *foo); // causes segfault
}
void bar() { baz(); }
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How to prevent Node.js from exiting while waiting for a callback?
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I am getting ` process.EventEmitter is not a constructor` error. What would you suggest?
– Anthony Kong
Nov 16 '17 at 2:20
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Send email using the GMail SMTP server from a PHP page
...g to send an email via GMail's SMTP server from a PHP page, but I get this error:
14 Answers
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Angularjs minify best practice
...t DI mode.
<body ng-app="myApp" ng-strict-di>
Strict mode throws an error whenever a service tries to use implicit annotations.
This can be useful to determining finding problems.
For more information, see
AngularJS Developer Guide - Using Strict Dependency Injection
AngularJS ng-app Directi...
When should I use semicolons in SQL Server?
...ed to include a semi-colon prior to a throw in this example: BEGIN ;THROW @Error, 'Invalid FundingID', 2; RETURN END
– Chris Walsh
Feb 24 '16 at 16:35
1
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Reorder levels of a factor without changing order of values
... works on one dataset, not on another. On the other dataset, it throws an error "Error in tapply(X = X, INDEX = x, FUN = FUN, ...) : argument "X" is missing, with no default". Not sure what the solution to this problem is. I can't find any relevant difference between the datasets.
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