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WCF：使用Array替代List - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...你能想象我是多么惊讶地看到服务进程的CPU消耗吗？约400K的Image CPU达到了15-20%。我必须考虑一个更好的方案了。
以下是WCF中duplex channel的结构：
[ServiceContract(CallbackContract = typeof(IServiceCallback),
SessionMode = SessionMode.Required)]
...
WCF：使用Array替代List - 更多技术 - 清泛网 - 专注C/C++及内核技术
...你能想象我是多么惊讶地看到服务进程的CPU消耗吗？约400K的Image CPU达到了15-20%。我必须考虑一个更好的方案了。
以下是WCF中duplex channel的结构：
[ServiceContract(CallbackContract = typeof(IServiceCallback),
SessionMode = SessionMode.Required)]
...
How to create a drop shadow only on one side of an element?
...ent is required.
#box {
background-color: #3D6AA2;
width: 160px;
height: 90px;
position: absolute;
top: calc(10% - 10px);
left: calc(50% - 80px);
}
.box-shadow:after {
content:"";
position:absolute;
width:100%;
bottom:1px;
z-index:-1;
...
FAQ Section: SMS - Frequently Asked Questions - MIT App Inventor Community
...imary: #222222;
--secondary: #ffffff;
--tertiary: #0088cc;
--quaternary: #e45735;
--highlight: #ffff4d;
--success: #009900;
}
}
/* then deal with dark scheme */
@media (prefers-color-scheme: dark) {
...
wkhtmltopdf: cannot connect to X server
...
206
or try this (from http://drupal.org/node/870058)
Download wkhtmltopdf. Or better install it w...
Ternary operator is twice as slow as an if-else block?
...
10 Answers
10
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Why is isNaN(null) == false in JS?
...false.
So in the specific case x = null, null is converted to the number 0, (try evaluating Number(null) and see that it returns 0,) and isNaN(0) returns false. A string that is only digits can be converted to a number and isNaN also returns false. A string (e.g. 'abcd') that cannot be converted t...
Number.sign() in javascript
...
More elegant version of fast solution:
var sign = number?number<0?-1:1:0
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Case preserving substitute in Vim
...toMark Lodato
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16
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Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
...