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How efficient is locking an unlocked mutex? What is the cost of a mutex?
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123
I have the choice in between either having a bunch of mutexes or a single one for an object....
IIS7: HTTP->HTTPS Cleanly
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edited Jun 16 '18 at 2:22
answered Sep 30 '11 at 2:12
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No Persistence provider for EntityManager named
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edited Jun 20 '16 at 3:14
Dave Jarvis
27.6k3434 gold badges157157 silver badges281281 bronze badges
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What are named pipes?
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edited Oct 6 '08 at 23:01
answered Oct 6 '08 at 18:50
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How does a Java HashMap handle different objects with the same hash code?
...fier is the hash code of the key. For example: The hash code of the key is 235 -> the pair is stored in bucket number 235. (Note that one bucket can store more then one key-value pair).
When you lookup a value in the hashmap, by giving it a key, it will first look at the hash code of the key tha...
How to send a simple string between two programs using pipes?
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#include <sys/stat.h>
#include <unistd.h>
#define MAX_BUF 1024
int main()
{
int fd;
char * myfifo = "/tmp/myfifo";
char buf[MAX_BUF];
/* open, read, and display the message from the FIFO */
fd = open(myfifo, O_RDONLY);
read(fd, buf, MAX_BUF);
printf("Rece...
Android SDK Manager Not Installing Components
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527
Try running Android Studio as an administrator, by right-clicking on the .exe and selecting "Ru...
How to override the properties of a CSS class using another CSS class
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edited Sep 16 '16 at 21:33
crowder
72055 silver badges1313 bronze badges
answered Jan 6 '14 at 17:4...
An efficient way to transpose a file in Bash
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29 Answers
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Using ls to list directories and their total sizes
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26 Answers
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