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load scripts asynchronously
... script('js/myFunctions.js');
script('js/farinspace/jquery.imgpreload.min.js');
script('js/marquee.js');
})();
</script>
<script type="text/javascript">
// once the page is loaded go to index2.html
window.onload...
Specifying and saving a figure with exact size in pixels
...pixels! To avoid this I used dpi=1 in matplotlib.image.imsave(output_path, img, dpi=1). Apparently, the bug has been known for some time (see here: github.com/matplotlib/matplotlib/issues/4280).
– Godrebh
Aug 7 at 8:20
...
Absolute vs relative URLs
...bug.
Let's say you have used absolute URL everywhere in your code like <img src="http://yourdomain.com/images/example.png">. Now what will happen when you are going to:
switch to another scheme (e.g. http -> https)
switch domain names (test.yourdomain.com -> yourdomain.com)
In the firs...
c/c++如何判断指针无效？如NULL,0xcccccccc,0xfeeefeee,野指针等 - C/C++ -...
c/c++如何判断指针无效？如NULL,0xcccccccc,0xfeeefeee,野指针等c c++如何判断指针无效？不仅仅是NULL的判断，有时由于指针释放没有赋NULL，指针会变成野指针或诸如0xcccccccc,0xfeeefeee形式的无效指针，...c/c++如何判断指针无效？不仅仅是N...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...some modifications to the squares demo present in OpenCV and the resulting C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >& squares)
{
// blur will enhance edge detection
Mat blurred(image);
medianB...
Programmatically generate video or animated GIF in Python?
...tps://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html#gif
img, *imgs = [Image.open(f) for f in sorted(glob.glob(fp_in))]
img.save(fp=fp_out, format='GIF', append_images=imgs,
save_all=True, duration=200, loop=0)
See docs: https://pillow.readthedocs.io/en/stable/handbook/i...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...lude <string.h>
int main(int argc, char* argv[])
{
// 获取文件的指针
FILE *fp = fopen("test.txt", "r");
// 把指针移动到文件的结尾，使用ftell获取文件长度
fseek(fp, 0 ,SEEK_END);
int len = ftell(fp);
// 定义数组长度
char *pBuf = new char[len + 1];
...
if a ngSrc path resolves to a 404, is there a way to fallback to a default?
...r an error loading an image and to replace the src. (Plunker)
Html:
<img ng-src="smiley.png" err-src="http://google.com/favicon.ico" />
Javascript:
var app = angular.module("MyApp", []);
app.directive('errSrc', function() {
return {
link: function(scope, element, attrs) {
el...
Extracting text OpenCV
...se note that I'm using a scaled down version of the image for processing.
c++ version
The MIT License (MIT)
Copyright (c) 2014 Dhanushka Dangampola
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), t...
Preloading CSS Images
...th:0; height:0; overflow:hidden; z-index:-1; // hide images
content:url(img1.png) url(img2.png) url(img3.gif) url(img4.jpg); // load images
}
Demo
it's better to use a sprite image to reduce http requests...(if there are many relatively small sized images) and make sure the images are hosted ...