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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
I have a simple form that submits text to my SQL table. The problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on ...
Does MSTest have an equivalent to NUnit's TestCase?
...t has the DataSource attribute, which will allow you to feed it a database table, csv, xml, etc. I've used it and it works well. I don't know of a way to put the data right above as attributes as in your question, but it's very easy to set up the external data sources and files can be included in ...
When to use ' (or quote) in Lisp?
...where you in other languages would have used strings, such as keys to hash tables.
This is where quote comes in. Say you want to plot resource allocations from a Python application, but rather do the plotting in Lisp. Have your Python app do something like this:
print("'(")
while allocating:
...
What are the sizes used for the iOS application splash screen?
...
i wish there was a nice table here with file name and image resolution for each entry, oh and forget iOS 5,6,7. we're in 2017.
– computingfreak
Jun 16 '17 at 2:32
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
... Or that memory just has been freed by HeapFree().
Disclaimer: the table is from some notes I have lying around - they may not be 100% correct (or coherent).
Many of these values are defined in vc/crt/src/dbgheap.c:
/*
* The following values are non-zero, constant, odd, large, and atypica...
What is the smallest possible valid PDF?
...he spec.
However, Acrobat X doesn't even bother with the cross reference table anymore, so we can take that out:
%PDF-1.0
1 0 obj<</Type/Catalog/Pages 2 0 R>>endobj 2 0 obj<</Type/Pages/Kids[3 0 R]/Count 1>>endobj 3 0 obj<</Type/Page/MediaBox[0 0 3 3]>>endobj
t...
Adding images or videos to iPhone Simulator
...pen the Photos app and start populating the library.
If you want a scriptable method, read on.
Note - while this is valid, and works, I think Koen's solution below is now a better one, since it does not require rebooting the simulator.
Identify your simulator by going to xCode->Devices, sele...
Rolling median algorithm in C
...irani has some C and Fortran code on fast median binning which may be a suitable starting point for a windowed approach.
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What does the number in parentheses shown after Unix command names in manpages mean?
... first page found, even if page exists in several sections.
The table below shows the section numbers of the manual fol‐
lowed by the types of pages they contain.
1 Executable programs or shell commands
2 System calls (functions provided by the kernel)
3...
The Guava library: What are its most useful and/or hidden features? [closed]
...aps.index: these methods take an Iterable and a Function and build an ImmutableMap or ImmutableListMultimap that indexes the values in the Iterable by the result of applying the function to each. So with a function that retrieves the ID of an item, you can index a list of items by their ID in one l...