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Can't execute jar- file: “no main manifest attribute”
I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with:
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MISCONF Redis is configured to save RDB snapshots
...rvices.msc, Enter -> Search for Redis then click on restart.
I personally had this issue after upgrading redis with Brew (brew upgrade).
After rebooting the laptop, it immediately worked.
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Detecting superfluous #includes in C/C++?
I often find that the headers section of a file get larger and larger all the time but it never gets smaller. Throughout the life of a source file classes may have moved and been refactored and it's very possible that there are quite a few #includes that don't need to be there and anymore. Leaving...
Why does this method print 4?
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When we first get into main, the space left over is X-M. Each recursive call takes up R more memory. So for 1 recursive call (1 more than original), the memory use is M + R. Suppose that StackOverflowError is thrown after C successful recursive calls, that is, M + C * R <= X and M + C * (R + 1)...
HTML/CSS: Make a div “invisible” to clicks?
...the overlay.
See the first answer to this question:
HTML "overlay" which allows clicks to fall through to elements behind it
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java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
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Why does this work? I mean, shouldn't all maven dependencies be available? If I was using the Tomcat7 pluging with tomcat7:run, how would this be accomplished?
– Johnny Bigoode
Mar 22 '17 at 15:32
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What is the yield keyword used for in C#?
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The yield keyword actually does quite a lot here.
The function returns an object that implements the IEnumerable<object> interface. If a calling function starts foreaching over this object, the function is called again until it "yields". Th...
Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
I'm having a really frustrating issue: Rake is being dumb.
19 Answers
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Use C++ with Cocoa Instead of Objective-C?
... superset of C. In Objective-C++, you can make objc-style message passing calls (like [some-objc-object callMethod];) from within a C++ function. Conversely, you can call C++ functions from within ObjC code like:
@interface MyClass {
MyCPPClass *cppInstance;
}
@end
@implementation MyClass
- (i...
What's the most appropriate HTTP status code for an “item not found” error page
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Damn you for giving good advice :( The OCD to not 404 all the things is real though.
– Carrie Kendall
Jul 18 '17 at 18:24
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