大约有 47,000 项符合查询结果（耗时：0.0754秒） [XML]
PHP完美实现GIF动画缩略图 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...就是：
Composites a set of images while respecting any page offsets and disposal methods. GIF, MIFF, and MNG animation sequences typically start with an image background and each subsequent image varies in size and offset. Returns a new Imagick object where each image in the sequence is the s...
How do I enumerate through a JObject?
...or JObject, you will see that it implements IEnumerable<KeyValuePair<string, JToken>>. So, you can iterate over it simply using a foreach:
foreach (var x in obj)
{
string name = x.Key;
JToken value = x.Value;
…
}
...
Limiting floats to two decimal points
...
There are new format specifications, String Format Specification Mini-Language:
You can do the same as:
"{:.2f}".format(13.949999999999999)
Note 1: the above returns a string. In order to get as float, simply wrap with float(...):
float("{:.2f}".format(13.9...
“/usr/bin/ld: cannot find -lz”
...
I had the exact same error, and like you, installing zlib1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library.
shar...
jQuery SVG, why can't I addClass?
...ts className is a little different. For an SVG element, className is not a string, but an instance of SVGAnimatedString.
Consider the following code:
var test_div = document.getElementById('test-div');
var test_svg = document.getElementById('test-svg');
console.log(test_div.className);
console.l...
How to output numbers with leading zeros in JavaScript [duplicate]
...
NOTE: Potentially outdated. ECMAScript 2017 includes String.prototype.padStart
You're asking for zero padding? Not really rounding. You'll have to convert it to a string since numbers don't make sense with leading zeros. Something like this...
function pad(num, size) {
v...
find all unchecked checkbox in jquery
...Query object.
//.join - (javascript) joins the elements of an array into a string, and returns the string.The elements will be separated by a specified separator. The default separator is comma (,).
share
|
...
What's the difference between [ and [[ in Bash? [duplicate]
...e. You no longer have to quote variables like mad because [[ handles empty strings and strings with whitespace more intuitively. For example, with [ you have to write
if [ -f "$file" ]
to correctly handle empty strings or file names with spaces in them. With [[ the quotes are unnecessary:
if [[ ...
Assert a function/method was not called using Mock
...y to test my application, but I want to assert that some function was not called. Mock docs talk about methods like mock.assert_called_with and mock.assert_called_once_with , but I didn't find anything like mock.assert_not_called or something related to verify mock was NOT called .
...
How do I make UILabel display outlined text?
...
A simpler solution is to use an Attributed String like so:
Swift 4:
let strokeTextAttributes: [NSAttributedStringKey : Any] = [
NSAttributedStringKey.strokeColor : UIColor.black,
NSAttributedStringKey.foregroundColor : UIColor.white,
NSAttributedStringKe...