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Why would I prefer using vector to deque
...e difference one should know how deque is generally implemented. Memory is allocated in blocks of equal sizes, and they are chained together (as an array or possibly a vector).
So to find the nth element, you find the appropriate block then access the element within it. This is constant time, beca...
How to remove duplicate values from a multi-dimensional array in PHP
How can I remove duplicate values from a multi-dimensional array in PHP?
19 Answers
19...
How to create a file with a given size in Linux?
...a huge blocksize will perform much worse once it gets very big, as it will allocate and read that amount into memory before writing. If this is somethig like bs=4GiB you'll probably end up swapping.
– Brian
Sep 29 '08 at 7:40
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What is Pseudo TTY-Allocation? (SSH and Github)
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As explained in "gitolite: PTY allocation request failed on channel 0", it is important to do ssh test connection with -T, because some server could abort the transaction entirely if a text-terminal (tty) is requested.
-T avoids requesting said terminal, ...
How do you use NSAttributedString?
... string:
NSMutableAttributedString * string = [[NSMutableAttributedString alloc] initWithString:@"firstsecondthird"];
[string addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0,5)];
[string addAttribute:NSForegroundColorAttributeName value:[UIColor greenColor] ...
How to display a dynamically allocated array in the Visual Studio debugger?
If you have a statically allocated array, the Visual Studio debugger can easily display all of the array elements. However, if you have an array allocated dynamically and pointed to by a pointer, it will only display the first element of the array when you click the + to expand it. Is there an eas...
How to create a memory leak in Java?
...The thread loads a class via an (optionally custom) ClassLoader.
The class allocates a large chunk of memory (e.g. new byte[1000000]), stores a strong reference to it in a static field, and then stores a reference to itself in a ThreadLocal. Allocating the extra memory is optional (leaking the clas...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...iB)");
}
}
This will report the "Max Memory" based upon default heap allocation. So you still would need to play with -Xmx (on HotSpot). I found that running on Windows 7 Enterprise 64-bit, my 32-bit HotSpot JVM can allocate up to 1577MiB:
[C:scratch]> java -Xmx1600M MaxMemory
Error occu...
How are echo and print different in PHP? [duplicate]
... there any major and fundamental difference between these two functions in PHP?
5 Answers
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PHP Fatal error: Call to undefined function json_decode()
Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs
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