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Is Disney's FastPass Valid and/or Useful Queue Theory
At Disney World, they use a system called Fastpass to create a second, shorter line for popular rides. The idea is that you can wait in the standard line, often with a wait longer than an hour, or you can get a FastPass which allows you to come back during a specified time block (usually a couple...
Find the min/max element of an Array in JavaScript
... @HankH: passing null or Math or {} or whatever to apply() or call() has no bearing on the outcome. Math.max does not nor should not reference this internally.
– Roatin Marth
Nov 3 '09 at 18:43
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How can I ignore a property when serializing using the DataContractSerializer?
...ntract attribute to the class, and just put the DataMember attribute on all of the members that I want to include. I have reasons, though, that this will not work for me.
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How do I set the path to a DLL file in Visual Studio?
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The search path that the loader uses when you call LoadLibrary() can be altered by using the SetDllDirectory() function. So you could just call this and add the path to your dependency before you load it.
See also DLL Search Order.
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How do I find if a string starts with another string in Ruby?
...egex is far superior for case insensitive searches, even if you calculated all the permutations of cases for the test string ahead of time.
– Peter P.
Apr 2 '15 at 23:03
3
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Eclipse: How do you change the highlight color of the currently selected method/expression?
...f this highlight, but after scouring the eclipse preferences many times in all 3 places, I have yet to find it.
5 Answers
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
...bit perplexed on how to manage SmtpClient now that it is disposable, especially if I make calls using SendAsync. Presumably I should not call Dispose until SendAsync completes. But should I ever call it (e.g., using "using"). The scenario is a WCF service which mails out email periodically when c...
What happens with constraints when a view is removed
...hen I do something like this, I save the constraints like this for a view called view1:
self.portraitConstraints = [NSMutableArray new];
for (NSLayoutConstraint *con in self.view.constraints) {
if (con.firstItem == self.view1 || con.secondItem == self.view1) {
[self.portraitConstraints a...
background-size in shorthand background property (CSS3)
...you have in your question or my Code example. It's just not implemented in all browsers yet.
– Kraz
Oct 23 '11 at 6:37
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Check if array is empty or null
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As long as your selector is actually working, I see nothing wrong with your code that checks the length of the array. That should do what you want. There are a lot of ways to clean up your code to be simpler and more readable. Here's a cleaned up version...