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Are there any standard exit status codes in Linux?
...
Given the way the question now appears, this does not appear to be the most useful (and thus accepted) answer.
– David J.
Dec 9 '13 at 22:49
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How to get the CPU Usage in C#?
...lue();
System.Threading.Thread.Sleep(1000);
// now matches task manager reading
dynamic secondValue = cpuCounter.NextValue();
return secondValue;
}
private void Timer1_Tick(Object sender, EventArgs e)
{
int cpuPercent = (int)getCPUC...
Hadoop “Unable to load native-hadoop library for your platform” warning
...y install, it is here:
/opt/hadoop/lib/native/libhadoop.so.1.0.0
And I know it is 64-bit:
[hadoop@VMWHADTEST01 native]$ ldd libhadoop.so.1.0.0
./libhadoop.so.1.0.0: /lib64/libc.so.6: version `GLIBC_2.14' not found (required by ./libhadoop.so.1.0.0)
linux-vdso.so.1 => (0x00007fff43510000)
lib...
Implementing IDisposable correctly
... point of it. You can't assume it will automatically be called, you only know people are supposed to manually call it, but people do make mistakes and forget.
– Servy
Oct 1 '19 at 19:30
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Is there any Rails function to check if a partial exists?
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I know this has been answered and is a million years old, but here's how i ended up fixing this for me...
Rails 4.2
First, i put this in my application_helper.rb
def render_if_exists(path_to_partial)
render path_to_part...
PHP abstract properties
...lass Father
{
public $name;
abstract protected function setName(); // now every child class must declare this
// function and thus declare the property
public function __construct()
{
$this->setName();
}
}
class Son extends Father
{
prote...
PHP Fatal error: Cannot redeclare class
Does anyone know what can cause this problem?
18 Answers
18
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How is the undo tree used in Vim?
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I didn't know how to use this undo-tree, but I knew it would save my life someday. Well, the day has come. Thanks!!
– ndvo
Jan 29 '13 at 23:00
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Python argparse mutual exclusive group
...ee why the first two arguments are compatible and the last one isn't.
So now I run parser.parse_args() and check it's content:
args = parser().parse_args()
print args.aggregation
if args.aggregation and (args.query or args.fields):
print "-a and -q|-f are mutually exclusive ..."
sys.exit...
Drawing a connecting line between two elements [closed]
...visit https://api.jquery.com/position/ (you can use offset() method too)
Now as we have obtained all the positions we need we can draw line as follows...
line1
.attr('x1', pos1.left)
.attr('y1', pos1.top)
.attr('x2', pos2.left)
.attr('y2', pos2.top);
jQuery .attr() method is used to cha...