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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
What is meant by String Pool ? And what is the difference between the following declarations:
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How to serve an image using nodejs
I have a logo that is residing at the public/images/logo.gif . Here is my nodejs code.
11 Answers
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Regular expression to return text between parenthesis
All I need is the contents inside the parenthesis.
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What uses are there for “placement new”?
Has anyone here ever used C++'s "placement new"? If so, what for? It looks to me like it would only be useful on memory-mapped hardware.
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Efficiency of premature return in a function
This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
Remove all special characters with RegExp
I would like a RegExp that will remove all special characters from a string. I am trying something like this but it doesn’t work in IE7, though it works in Firefox.
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How to get 0-padded binary representation of an integer in java?
for example, for 1, 2, 128, 256 the output can be (16 digits):
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How do I concatenate or merge arrays in Swift?
If there are two arrays created in swift like this:
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How to achieve function overloading in C?
Is there any way to achieve function overloading in C? I am looking at simple functions to be overloaded like
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What is the significance of load factor in HashMap?
HashMap has two important properties: size and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
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