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How to prevent form from submitting multiple times from client side?

Sometimes when the response is slow, one might click the submit button multiple times. 23 Answers ...
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Threading in a PyQt application: Use Qt threads or Python threads?

...ve called QCoreApplication.postEvent from a Python thread at a rate of 100 times per second, in an application that runs cross-platform and has been tested for 1000's of hours. I have never seen any problems from that. I think it's fine as long as the destination object is located in the MainThread ...
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How do I get a value of datetime.today() in Python that istimezone aware”?

I am trying to subtract one date value from the value of datetime.today() to calculate how long ago something was. But it complains: ...
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What is the garbage collector in Java?

...it is creating new objects, such as Strings and Files, but after a certain time, those objects are not used anymore. For example, take a look at the following code: for (File f : files) { String s = f.getName(); } In the above code, the String s is being created on each iteration of the for l...
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Moq: How to get to a parameter passed to a method of a mocked service

...Foo(mock.Object).Bar(22); mock.Verify(h => h.AsyncHandle(desiredParam), Times.Once()); Verify is very powerful, and worth taking the time to get used to. share | improve this answer | ...
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c# open a new form then close the current form?

...tion (vs. yet another stopover of references, which tend to get stale over time). Please consider adding a stand-alone synopsis here, keeping the link as a reference. – kleopatra Jul 21 '13 at 14:21 ...
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Xcode: Build Failed, but no error messages

... really a great answer. I have build 4-5 times. even restarted the xcode – Saurabh Prajapati Sep 24 at 10:30 add a comment ...
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In-Place Radix Sort

...and this string representation is going to be, apart from using at least 4 times as much memory as needed – Stephan Eggermont Jan 22 '09 at 17:44 ...
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MongoDB - admin user not authorized

...e your normal users. it kind of makes sense, but i didn't get it the first time right too... @akostadinov – TomTasche Jan 5 '17 at 9:14 ...
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Difference between Python datetime vs time modules

I am trying to figure out the differences between the datetime and time modules, and what each should be used for. 4 An...