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Does List guarantee insertion order?
...you should explicitly order the list or have your API take the appropriate Interface/class such as IOrderedEnumerable or SortedList, otherwise you should not rely on a particular implementation to behave a certain way unless it is explicitly stated unambiguously" You also have to be careful about e...
size_t vs. uintptr_t
...inters to be representable as integers altogether: Any pointer type may be converted to an integer type. Except as previously specified, the result is implementation-defined. If the result cannot be represented in the integer type, the behavior is undefined. The result need not be in the range of va...
How to create json by JavaScript for loop?
...ough for loop and generate valid JSON string. I use evalJSON() function to convert JSON string to JavaScript object.
Here is example code. Tryout on your FireBug Console
var key = ["color", "size", "fabric"];
var value = ["Black", "XL", "Cotton"];
var json = "{ ";
for(var i = 0; i < key.length...
What unique features does Firebug have that are not built-in to Firefox?
...ng:
Firebug 2 doesn’t work in multi-process browsers (i.e. e10s) and converting it is too complex, it will stop working when e10s is activated in Firefox.
We want to be ready when Firebug 2 stops working and we have come up with the following plan.
Integrate all Firebug 3 features in...
LaTeX Optional Arguments
...eing YYY.
Thus the usage of \example is either:
\example{BBB}
which prints:
Mandatory arg: BBB; Optional arg: YYY.
or:
\example[XXX]{AAA}
which prints:
Mandatory arg: AAA; Optional arg: XXX.
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How do I apply a perspective transform to a UIView?
...can download it from https://github.com/nicklockwood/iCarousel and drop it into your Xcode project fairly easily by adding a bridging header (it's written in Objective-C).
If you haven't added Objective-C code to a Swift project before, follow these steps:
Download iCarousel and unzip it
Go into ...
MySQL indexes - what are the best practices?
...nd all the rows where column starts with "foo", and then need to scan that intermediate rowset to find the subset that contains "bar". SELECT ... WHERE column LIKE '%bar%' can't use the index. I hope you can see why.
Finally, you need to start thinking about indexes on more than one column. The ...
JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
...ng window.loadImage()
b - read exif tags using window.EXIF.getData()
c - convert the image to canvas and fix the image orientation using window.loadImage.scale()
d - place the canvas into the document
here you go :)
window.loadImage("/your-image.jpg", function (img) {
if (img.type === "erro...
Saving images in Python at a very high quality
... require images in 1200 / 600 / 300 dpi depending on what the image is of. Convert to desired dpi and format in GiMP or Inkscape.
EDIT: Obviously the dpi doesn't matter since .svg are vector graphics and have "infinite resolution".
...
Javascript equivalent of Python's zip function
...utput.
As parseInt's second argument is the base/number radix, to which to convert the number to, and since map passes the index as the second argument to its argument-function, a wrapper function is used.
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