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Why would one use nested classes in C++?
... public:
int data;
Node* next;
Node* prev;
};
private:
Node* head;
Node* tail;
};
Here I don't want to expose Node as other people may decide to use the class and that would hinder me from updatin...
Android: Is it possible to display video thumbnails?
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So what exactly is the id?
– phunehehe
Apr 29 '11 at 5:56
1
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Regular expression to match numbers with or without commas and decimals in text
I'm trying to locate and replace all numbers in a body of text. I've found a few example regex's, which almost solve the problem, but none are perfect yet. The problem I have is that the numbers in my text may or may not have decimals and commas. For example:
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Creating a “logical exclusive or” operator in Java
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Java does have a logical XOR operator, it is ^ (as in a ^ b).
Apart from that, you can't define new operators in Java.
Edit: Here's an example:
public static void main(String[] args) {
boolean[] all = { false, true };
for (boolean a : all...
How do I loop through a list by twos? [duplicate]
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You can use for in range with a step size of 2:
Python 2
for i in xrange(0,10,2):
print(i)
Python 3
for i in range(0,10,2):
print(i)
Note: Use xrange in Python 2 instead of range because it is more efficient as it generates an iterable object, and not the whole list.
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How does one capture a Mac's command key via JavaScript?
...nt.keyCode.
Unfortunately, these key codes are browser-dependent:
Firefox: 224
Opera: 17
WebKit browsers (Safari/Chrome): 91 (Left Command) or 93 (Right Command)
You might be interested in reading the article JavaScript Madness: Keyboard Events, from which I learned that knowledge.
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How to customize ?
...*/
}
#upload-photo {
opacity: 0;
position: absolute;
z-index: -1;
}
<label for="upload-photo">Browse...</label>
<input type="file" name="photo" id="upload-photo" />
The CSS for the form control will make it appear invisible and not take up space in the doc...
What is the easiest way to initialize a std::vector with hardcoded elements?
...It will work fine without static or const, however they both make it more explicit as to how it should be used and allow the compiler to make additional optimizations.
– Yacoby
Feb 10 '10 at 16:55
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Why are `private val` and `private final val` different?
...t should never change but is fast, they write "final val". if they want flexibility to change the value without breaking binary compatibility, just "val".
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find -exec with multiple commands
I am trying to use find -exec with multiple commands without any success. Does anybody know if commands such as the following are possible?
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