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HTML button to NOT submit form

... I think this is the most annoying little peculiarity of HTML... That button needs to be of type "button" in order to not submit. <button type="button">My Button</button> Update 5-Feb-2019: As per the HTML Living Standard (and also HTML 5 speci...
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Check if a number is int or float

Here's how I did it: 17 Answers 17 ...
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Should MySQL have its timezone set to UTC?

... It seems that it does not matter what timezone is on the server as long as you have the time set right for the current timezone, know the timezone of the datetime columns that you store, and are aware of the issues with dayli...
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Preferred Java way to ping an HTTP URL for availability

I need a monitor class that regularly checks whether a given HTTP URL is available. I can take care of the "regularly" part using the Spring TaskExecutor abstraction, so that's not the topic here. The question is: What is the preferred way to ping a URL in java? ...
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How can one print a size_t variable portably using the printf family?

I have a variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably? ...
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How to compare only date components from DateTime in EF?

... NOTE: at the time of writing this answer, the EF-relation was unclear (that was edited into the question after this was written). For correct approach with EF, check Mandeeps answer. You can use the DateTime.Date property to perform a date-only ...
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Convert a series of parent-child relationships into a hierarchical tree?

...d/parent pairs to a tree structure and another recursive function to print it out. Only one function would suffice but here's two for clarity (a combined function can be found at the end of this answer). First initialize the array of child/parent pairs: $tree = array( 'H' => 'G', 'F' =&...
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Why is GHC so large/big?

... It's a bit silly really. Every library that comes with GHC is provided in no less than 4 flavours: static dynamic profiled GHCi The GHCi version is just the static version linked together in a single .o file. The other ...
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How is the default submit button on an HTML form determined?

If a form is submitted but not by any specific button, such as 14 Answers 14 ...
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How do I debug an MPI program?

...e an MPI program which compiles and runs, but I would like to step through it to make sure nothing bizarre is happening. Ideally, I would like a simple way to attach GDB to any particular process, but I'm not really sure whether that's possible or how to do it. An alternative would be having each pr...