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css3 实现静态图片闪烁效果 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... ease-in-out;
position: absolute;
}
@-webkit-keyframes start {
0%,30% {opacity: 0;-webkit-transform: translate(0,0);}
60% {opacity: 1;-webkit-transform: translate(0,0);}
100% {opacity: 1;-webkit-transform: translate(0,0);}
}
@-moz-keyframes start {
0%,30% {opacity: 0;-mo...
Use HTML5 to resize an image before upload
...tos = function(url){
// Read in file
var file = event.target.files[0];
// Ensure it's an image
if(file.type.match(/image.*/)) {
console.log('An image has been loaded');
// Load the image
var reader = new FileReader();
reader.onload = function (reader...
Python division
I was trying to normalize a set of numbers from -100 to 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
...
How can I autoplay a video using the new embed code style for Youtube?
...
+50
Just put "?autoplay=1" in the url the video will autoload.
So your url would be:
http://www.youtube.com/embed/JW5meKfy3fY?autoplay=1
...
How to automatically generate N “distinct” colors?
...tness or saturation, you can distribute the hues like so:
// assumes hue [0, 360), saturation [0, 100), lightness [0, 100)
for(i = 0; i < 360; i += 360 / num_colors) {
HSLColor c;
c.hue = i;
c.saturation = 90 + randf() * 10;
c.lightness = 50 + randf() * 10;
addColor(c);
}
...
Suppress warning CS1998: This async method lacks 'await'
...
107
I've got an interface with some async functions.
Methods returning Task, I believe. async ...
ab load testing
... default it will hit http:// protocol if you don't specify it.
ab -k -c 350 -n 20000 example.com/
By issuing the command above, you will be hitting http://example.com/ with 350 simultaneous connections until 20 thousand requests are met. It will be done using the keep alive header.
After the pro...
++someVariable vs. someVariable++ in JavaScript
...
250
Same as in other languages:
++x (pre-increment) means "increment the variable; the value of th...
Common xlabel/ylabel for matplotlib subplots
...lots(nrows=3, ncols=3, sharex=True, sharey=True, figsize=(6, 6))
fig.text(0.5, 0.04, 'common X', ha='center')
fig.text(0.04, 0.5, 'common Y', va='center', rotation='vertical')
share
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improve th...
How to add a new row to an empty numpy array
...
The way to "start" the array that you want is:
arr = np.empty((0,3), int)
Which is an empty array but it has the proper dimensionality.
>>> arr
array([], shape=(0, 3), dtype=int64)
Then be sure to append along axis 0:
arr = np.append(arr, np.array([[1,2,3]]), axis=0)
arr =...