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Split string to equal length substrings in Java
...e last match.
Both lookbehind and \G are advanced regex features, not supported by all flavors. Furthermore, \G is not implemented consistently across the flavors that do support it. This trick will work (for example) in Java, Perl, .NET and JGSoft, but not in PHP (PCRE), Ruby 1.9+ or TextMate (b...
How do I read the contents of a Node.js stream into a string variable?
...pt up with node.js, and I cannot delete this answer because it is marked "correct on this question". If you are thinking of down clicking, what do you want me to do?)
The key is to use the data and end events of a Readable Stream. Listen to these events:
stream.on('data', (chunk) => { ... });
str...
jQuery date/time picker [closed]
I've been looking around for a decent jQuery plugin that can handle both dates and times. The core UI DatePicker is great, but unfortunately I need to be able to take time in as well.
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Listing only directories using ls in Bash?
This command lists directories in the current path: ls -d */
26 Answers
26
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How do I concatenate two strings in C?
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C does not have the support for strings that some other languages have. A string in C is just a pointer to an array of char that is terminated by the first null character. There is no string concatenation operator in C.
Use strcat to concatenate tw...
What are the differences between B trees and B+ trees?
In a b-tree you can store both keys and data in the internal and leaf nodes , but in a b+ tree you have to store the data in the leaf nodes only .
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How can you detect the version of a browser?
I've been searching around for code that would let me detect if the user visiting the website has Firefox 3 or 4. All I have found is code to detect the type of browser but not the version.
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HTML5 LocalStorage: Checking if a key exists [duplicate]
Why this does not work ?
4 Answers
4
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Why is creating a Thread said to be expensive?
The Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the statement as true, but I'm just interested in mechanics of Thread creation in JVM.
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What's the difference between a Future and a Promise?
...erence between Future and Promise ?
They both act like a placeholder for future results, but where is the main difference?
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