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Table header to stay fixed at the top when user scrolls it out of view with jQuery
...nly way I found that works without fixed width columns. It isn't clean, I know, which is I way I said it was a hack.
– entropy
Dec 22 '11 at 16:12
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How to get the raw value an field?
...algorithm says the browser is supposed to set the value to an empty string if the input isn't a valid floating point number.
The value sanitization algorithm is as follows: If the value of the
element is not a valid floating-point number, then set it to the empty
string instead.
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Setting an int to Infinity in C++
I have an int a that needs to be equal to "infinity". This means that if
6 Answers
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Switch statement multiple cases in JavaScript
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Here's different approach avoiding the switch statement altogether:
var cases = {
afshin: function() { alert('hey'); },
_default: function() { alert('default'); }
};
cases.larry = cases.saeed = cases.afshin;
cases[ varName ] ? ...
Calling a function within a Class method?
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In order to have a "function within a function", if I understand what you're asking, you need PHP 5.3, where you can take advantage of the new Closure feature.
So you could have:
public function newTest() {
$bigTest = function() {
//Big Test Here
}
}
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What's a reliable way to make an iOS app crash?
...see Is null pointer dereference undefined behavior in Objective-C?)
(in swift you would have to bridge to objC to do this)
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How would you implement an LRU cache in Java?
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I like lots of these suggestions, but for now I think I'll stick with LinkedHashMap + Collections.synchronizedMap. If I do revisit this in the future, I'll probably work on extending ConcurrentHashMap in the same way LinkedHashMap extends HashMap.
UPDATE:
By reques...
Where is Java Installed on Mac OS X?
...d on a terminal shell to figure out where is your Java 1.8 home directory
If you just want to find out the home directory of your most recent version of Java, omit the version. e.g. /usr/libexec/java_home
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What's the difference between deadlock and livelock?
...Assume A receives (or already has) r1, and B receives (or already has) r2. Now each try to get the resource the other has, without any timeout. A is blocked because B holds r2, and B is blocked because A holds r1. Each process is blocked and thus cannot release the resource the other wants, causing ...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
... 为了强化这个原则，ØMQ严格地分离拓扑的建立（zmq_bind,zmq_connect）和真实消息的传递（zmq_send,zmq_rev)。 前者同底层的传输地址协同工作，比如IP地址，而后者仅仅使用处理器（文件描述符）去定位具体的拓扑： /* Topology esta...