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What is the best way to dump entire objects to a log in C#?
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It also doesn't work for arrays (it just displays the type and the length of the array, but doesn't print its contents).
– Konrad Morawski
Sep 20 '12 at 6:57
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Display image as grayscale using matplotlib
...age
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin=0, vmax=255)
plt.show()
If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
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Reason to Pass a Pointer by Reference in C++?
... For instance, if you have a class holding data in a dynamically allocated array, but you want to provide (nonconstant) access to this data to the client. At the same time, you do not want the client to be able to manipulate the memory through the pointer.
– user2321808
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Javascript fuzzy search that makes sense
I'm looking for a fuzzy search JavaScript library to filter an array. I've tried using fuzzyset.js and fuse.js , but the results are terrible (there are demos you can try on the linked pages).
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Custom thread pool in Java 8 parallel stream
...Int);
})).get();
System.out.println("list.parallelStream");
int [] array = IntStream.range(0, 20).toArray();
List<Integer> list = new ArrayList<>();
for (int theInt: array)
{
list.add(theInt);
}
fjpool.submit(() -> list.parallelStream()
.forEach((theInt) ->
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What is your favorite C programming trick? [closed]
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C99 offers some really cool stuff using anonymous arrays:
Removing pointless variables
{
int yes=1;
setsockopt(yourSocket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
}
becomes
setsockopt(yourSocket, SOL_SOCKET, SO_REUSEADDR, (int[]){1}, sizeof(int));
Pa...
C++ display stack trace on exception
...int max_frames = 63)
{
fprintf(out, "stack trace:\n");
// storage array for stack trace address data
void* addrlist[max_frames+1];
// retrieve current stack addresses
int addrlen = backtrace(addrlist, sizeof(addrlist) / sizeof(void*));
if (addrlen == 0) {
fprintf(out, ...
Read Post Data submitted to ASP.Net Form
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What about byte arrays? Would you have a string like that and then convert it to a byte array, or what? Im uploading a file to the serve.r
– Fallenreaper
Sep 6 '12 at 19:42
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When to prefer JSON over XML?
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name/value pairs
nesting those pairs
Which means it tends to like an array or nested array. However JSON is missing both
attributes
namespacing
So if you were to combine two or more JSON services there could be potential namespace conflicts. That being said JSON can be used for about 90% o...
jQuery UI Sortable, then write order into a database
...our/url/here'
});
}
});
What this does is that it creates an array of the elements using the elements id. So, I usually do something like this:
<ul id="sortable">
<li id="item-1"></li>
<li id="item-2"></li>
...
</ul>
When you use the seri...