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What's the difference between event.stopPropagation and event.preventDefault?
...apis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="foo">
<button id="but">button</button>
</div>
stopPropagation
$("#but").click(function (event) {
event.stopPropagation()
})
$("#foo").click(function () {
alert("parent click ev...
How to initialize all members of an array to the same value?
...atic int myArray[10]; // all elements 0
And that "0" doesn't necessarily mean "all-bits-zero", so using the above is
better and more portable than memset(). (Floating point values will be
initialized to +0, pointers to null value, etc.)
...
How do I implement basic “Long Polling”?
...ly freeze up. This would better be done checking if the file contains a valid JSON response, and/or keeping a running total of requests-per-minute/second, and pausing appropriately.
If the page errors, it appends the error to the #messages div, waits 15 seconds and then tries again (identical to ho...
How do Mockito matchers work?
...r does matter, but only in that the last-defined matching chain wins: This means coexisting stubs are often declared most-specific to least, but in some cases you may want a very broad override of specifically-mocked behavior in a single test case, at which point a broad definition may need to come ...
Generate Java classes from .XSD files…?
... that I want the element to be arranged in XML output.
@XmlAttribute(name="id", ...) indicates that id is an attribute to root element.
@XmlElement(....) indicates that I want price and name to be element within Item.
My Item.java is ready. I can then go ahead and create JAXB script for marshaling...
What really is a deque in STL?
...have seen used an array of pointers to fixed-size arrays. This effectively means that push_front and push_back are not really constant-times, but with smart growing factors, you still get amortized constant times though, so O(1) is not so erroneous, and in practice it's faster than vector because yo...
What is the purpose of “return await” in C#?
...() method returns, which is likely long before it actually completes. This means the first version is probably buggy (because Foo is disposed too soon), while the second version will work fine.
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
cpuid汇编指令cpuid指令cpuid就是一条读取CPU各种信息的一条指令，大概是从80486的某个版本开始就存在了。 CPUID这条指令，除了用于识别CPU（CPU的型号...cpuid指令
cpuid就是一条读取CPU各种信息的一条指令，大概是从80486的某个版...
Finding sum of elements in Swift array
...lection of elements down to a single value by recursively applying the provided closure". We give it 0 as the initial value, and then, essentially, the closure { $0 + $1 }. Of course, we can simplify that to a single plus sign, because that's how Swift rolls.
...
Check if option is selected with jQuery, if not select a default
...y what you want to accomplish, this bit of code worked for me.
<select id="mySelect" multiple="multiple">
<option value="1">First</option>
<option value="2">Second</option>
<option value="3">Third</option>
<option value="4">Fourth</option&g...