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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... is 8 flops * 4 cores * 4.4 GHz = 140.8 GFlops. Actual is 138.2 GFlops.
Now for some explanations:
The performance critical part is obviously the 48 instructions inside the inner loop. You'll notice that it's broken into 4 blocks of 12 instructions each. Each of these 12 instructions blocks are ...
convert streamed buffers to utf8-string
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I changed the topic-title and edited the answer. It now shows both solutions: converting streamed buffers and a single buffer using toString.
– Biggie
Feb 16 '15 at 10:14
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Insert Update trigger how to determine if insert or update
... I was creating separate Triggers for insert ,update and delete .Now its great to know they can be combined !
– UJS
Nov 16 '17 at 6:12
2
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
...NET_BIND_SERVICE capability. setcap is in the debian package libcap2-bin.
Now for the caveats:
You will need at least a 2.6.24 kernel
This won't work if your file is a script. (ie, uses a #! line to launch an interpreter). In this case, as far I as understand, you'd have to apply the capability t...
Reconnection of Client when server reboots in WebSocket
... ws.onclose = function(){
console.log('closed!');
//reconnect now
check();
};
}
function check(){
if(!ws || ws.readyState == 3) start();
}
start();
setInterval(check, 5000);
});
This will retry as soon as the server closes the connection, and it will chec...
Collections.emptyList() returns a List?
...son(String name) {
this(name,Collections.<String>emptyList());
}
Now when you're doing straight assignment, the compiler can figure out the generic type parameters for you. It's called type inference. For example, if you did this:
public Person(String name) {
List<String> emptyL...
Only parameterless constructors and initializers are supported in LINQ to Entities
...query.ToList().Select(r => new OrderDetails(r.order, r.orderDetail));
Now your custom object (which takes two objects as a parameter) can populate your properties as needed.
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Tool for adding license headers to source files? [closed]
... license.txt; echo; cat $x) > /tmp/file;
mv /tmp/file $x )
done
Now run this in your source directory:
export LICENSELEN=`wc -l license.txt | cut -f1 -d ' '`
find . -type f \(-name \*.cpp -o -name \*.h \) -print0 | xargs -0 ./addlicense.sh
...
Static implicit operator
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@Matt - Ah, my answer is 2 years old by now. I updated the code a little and added your hint.
– Battle
Jun 16 at 10:21
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Find and Replace text in the entire table using a MySQL query
...find to replace text in a MySQL database using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin?
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