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Is there a way to detect if an image is blurry?
...d
% focus value.
% Method, is the focus measure algorithm as a string.
% see 'operators.txt' for a list of focus
% measure methods.
% ROI, Image ROI as a rectangle [xo yo width heigth].
% if an empty argument is passed, the whole
% image is ...
How to select a node using XPath if sibling node has a specific value?
.../bb[contains(.,'zz')]/../cc/text()
Explanation: Any bb that contains 'zz' string in all the child nodes of bb then going to parent node of that bb using .., now that we can access the cc so returning text.
I hope that explanation isn't complex.
...
How do I loop through a date range?
...me> step = null)
{
return from.RangeTo(to, step);
}
}
Extras
You could throw an Exception if the fromDate > toDate, but I prefer to return an empty range instead []
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How to intercept all AJAX requests made by different JS libraries
... for other reasons.
And, the only performance impact is really only one extra function call for each .open() plus whatever code you execute yourself which is probably immaterial when a networking call is involved.
In IE, this won't catch any code that tries to use the ActiveXObject control met...
Makefiles with source files in different directories
...DEBUG).o : %.cpp Makefile
@echo creating $@ ...
$(CXX) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
And building the output is even easier:
# This will make the cbsdk shared library
$(BinDir)/$(OUTPUTBIN): $(COMMON_OBJS)
@echo building output ...
$(CXX) -o $(BinDir)/$(OUTPUTBIN) $(COM...
How can I force WebKit to redraw/repaint to propagate style changes?
...o a composite layer with translateZ in CSS fixed the issue without needing extra JavaScript.
.willnotrender {
transform: translateZ(0);
}
As these painting issues show up mostly in Webkit/Blink, and this fix mostly targets Webkit/Blink, it's preferable in some cases. Especially since the ac...
Distinct() with lambda?
... great answer!!! also, for all VB_Complainers about the yield + extra lib, foreach can be re-written as return source.Where(element => knownKeys.Add(keySelector(element)));
– denis morozov
Mar 4 '14 at 16:51
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What is this 'Lambda' everyone keeps speaking of?
...f writing:
std::for_each( vec.begin(), vec.end(), print_to_stream<std::string>(std::cout));
Which requires a separate class definition like:
template <typename T, typename Stream> class print_to_stream_t {
Stream& stream_;
public:
print_to_stream_t(Stream& s):stream_(s) {...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
...s) <(ls *Music*)
comm is preferable over diff because it doesn't have extra cruft.
This returns all elements of set 1, ls, that are not also in set 2, ls *Music*. This requires both sets to be in sorted order to work properly. No problem for ls and glob expansion, but if you're using something...
Download file of any type in Asp.Net MVC using FileResult?
...te[] fileBytes = System.IO.File.ReadAllBytes(@"c:\folder\myfile.ext");
string fileName = "myfile.ext";
return File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, fileName);
}
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