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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
...Let's say you have 4 cores:
With IRIX mode on, 1 fully utilized core is 100% and 4 cores are 400%.
With IRIX mode off, 1 fully utilized core is 25% and 4 cores are 100%.
This means that by default, top on Linux will show an infinite loop as ~100% and Windows will show it as ~25%, and it means ...
RAW POST using cURL in PHP
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answered May 16 '09 at 1:36
The UnknownThe Unknown
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setting multiple column using one update
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answered Sep 8 '10 at 12:00
PekkaPekka
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What is the equivalent of “!=” in Excel VBA?
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answered Jul 21 '12 at 20:57
SteveSteve
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regex.test V.S. string.match to know if a string matches a regular expression
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450
Basic Usage
First, let's see what each function does:
regexObject.test( String )
Executes ...
Ruby combining an array into one string
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307
Use the Array#join method (the argument to join is what to insert between the strings - in this...
Removing non-repository files with git?
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edited Oct 27 '14 at 14:08
Julien Roncaglia
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answ...
Iterating over each line of ls -l output
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edited Mar 2 '16 at 18:08
answered May 18 '10 at 18:50
R...
Do try/catch blocks hurt performance when exceptions are not thrown?
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+100
Check it.
static public void Main(string[] args)
{
Stopwatch w = new Stopwatch();
double d = 0;
w.Start();
for (in...
Understanding Linux /proc/id/maps
... following fields:
address perms offset dev inode pathname
08048000-08056000 r-xp 00000000 03:0c 64593 /usr/sbin/gpm
address - This is the starting and ending address of the region in the process's address space
permissions - This describes how pages in the region can be accesse...