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Immutable vs Unmodifiable collection
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An unmodifiable collection is often a wrapper around a modifiable collection which other code may still have access to. So while you can't make any changes to it if you only have a reference to the unmodifiable collection, you can't rely on the content...
Better way to check variable for null or empty string?
Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty?
10 Answers
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...pt that's hosted on a domain other than the domain of the current page.
This behavior is intentional, to prevent scripts from leaking information to external domains. For an example of why this is necessary, imagine accidentally visiting evilsite.com, that serves up a page with <script src="you...
How do I declare and initialize an array in Java?
...[] myIntArray = IntStream.of(12,25,36,85,28,96,47).toArray(); // The order is preserved.
int [] myIntArray = IntStream.of(12,25,36,85,28,96,47).sorted().toArray(); // Sort
For classes, for example String, it's the same:
String[] myStringArray = new String[3];
String[] myStringArray = {"a", "b", ...
CSS two divs next to each other
...want to put two <div> s next to each other. The right <div> is about 200px; and the left <div> must fill up the rest of the screen width? How can I do this?
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How can I check a C# variable is an empty string “” or null? [duplicate]
...lest way to do a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
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Check if two linked lists merge. If so, where?
This question may be old, but I couldn't think of an answer.
26 Answers
26
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How to use SCNetworkReachability in Swift
I'm trying to convert this code snippet to Swift. I'm struggling on getting off the ground due to some difficulties.
7 An...
Do I need to close() both FileReader and BufferedReader?
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edited Feb 12 '15 at 20:46
Chuck L
33844 silver ba...
Using Phonegap for Native Application development [closed]
...at the same time
having access to native features on phone. Also the code is portable from Android to Iphone with some effort. Before I plunge into it I want to know what is forum's experience with Phonegap. What are the pain points and is it really scalable for enterprise level application develop...