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Running multiple async tasks and waiting for them all to complete

...while the latter will not and can be awaited, yielding control back to the caller until all tasks finish. More so, exception handling differs: Task.WaitAll: At least one of the Task instances was canceled -or- an exception was thrown during the execution of at least one of the Task instances. If a ...
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How to prevent ENTER keypress to submit a web form?

... You will have to call this function whic will just cancel the default submit behaviour of the form. You can attach it to any input field or event. function doNothing() { var keyCode = event.keyCode ? event.keyCode : event.which ? event.whi...
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Attempted to read or write protected memory. This is often an indication that other memory is corrup

...lation was being thrown by some unknown DLL. Turns out a piece of software called "Nvidia Network Manager" was causing the problems. I'd read countless times how this issue can be caused by firewalls or antivirus, neither of which I am using so I dismissed this idea. Also, I was under the assumption...
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Escape @ character in razor view engine

... my ASP.NET MVC 3 project to MVC4. The exception I get is: "":" is not valid at the start of a code block. Only identifiers, keywords, comments, "(" and "{" are valid." – Michael R Jul 22 '14 at 22:50 ...
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Can Rails Routing Helpers (i.e. mymodel_path(model)) be Used in Models?

Say I have a Rails Model called Thing. Thing has a url attribute that can optionally be set to a URL somewhere on the Internet. In view code, I need logic that does the following: ...
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How do I concatenate two lists in Python?

....extend(b) are more or less equivalent for all practical purposes. += when called on a list will internally call list.__iadd__, which extends the first list by the second. Performance 2-List Concatenation1 There's not much difference between these methods but that makes sense given they all hav...
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Spring: @Component versus @Bean

...explicitly declare a single bean, rather than letting Spring do it automatically as above. It decouples the declaration of the bean from the class definition, and lets you create and configure beans exactly how you choose. To answer your question... would it have been possible to re-use the @C...
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Add context path to Spring Boot application

I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it. ...
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Mercurial stuck “waiting for lock”

...s those cases where the repository was somehow left in an "unclean" state. Calling it "blindly removing mercurial protection" is not a fair nor accurate characterization of what is going on in these cases. – JoGusto Aug 12 '16 at 15:14 ...
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How to measure time taken between lines of code in python?

...ess_time() # your code here print(time.process_time() - start) First call turns the timer on, and second call tells you how many seconds have elapsed. There is also a function time.clock(), but it is deprecated since Python 3.3 and will be removed in Python 3.8. There are better profiling to...