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Better way to cast object to int
...
Use Int32.TryParse as follows.
int test;
bool result = Int32.TryParse(value, out test);
if (result)
{
Console.WriteLine("Sucess");
}
else
{
if (value == null) value = "";
Console.WriteLine("Failure");
}
...
Regular expression for matching HH:MM time format
...hing 12 hours (with am/pm) strings with the above regex, keep in mind that testing "13:00 PM" against the regex will return true (some values) because "3:00 PM" part in the string is valid. I resolved the issue by using the following if statement let res = value.match(regex); if (res && re...
Does Internet Explorer 8 support HTML 5?
... var div = document.createElement('div'); div.innerHTML = '<section>test</section>'; We end up with div.childNodes.length = 2. I ran into the problem using jQuery and have been trying to figure out what's going on in IE.
– Nick Spacek
Feb 23 '10 a...
Cross Browser Flash Detection in Javascript
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If anyone is interested I tested some of these cases on jsperf. SWFObject came out the fastest.
– hitautodestruct
Dec 20 '12 at 8:37
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How to get current CPU and RAM usage in Python?
...s more concepts and interest concepts:
https://psutil.readthedocs.io/en/latest/
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What are the disadvantages of using persistent connection in PDO
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On my tests I had a connection time of over a second to my localhost, thus assuming I should use a persistent connection. Further tests showed it was a problem with 'localhost':
Test results in seconds (measured by php microtime):...
Is there a concise way to iterate over a stream with indices in Java 8?
... {"Sam", "Pamela", "Dave", "Pascal", "Erik"};
System.out.println("Test zipWithIndex");
zipWithIndex(Arrays.stream(names)).forEach(entry -> System.out.println(entry));
System.out.println();
System.out.println("Test mapWithIndex");
mapWithIndex(Arrays.strea...
Retrieve filename from file descriptor in C
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I just tested this and it remains correct if the file is moved and you call it again (meaning: you get the new path of the file). However this is not supported on linux (tested on Ubuntu 14.04 - F_GETPATH is not defined).
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...doesn't have enough registers for this to compile well.
This code has been tested to work well on Visual Studio 2010/2012 and GCC 4.6.ICC 11 (Intel Compiler 11) surprisingly has trouble compiling it well.
These are for pre-FMA processors. In order to achieve peak FLOPS on Intel Haswell and AMD Bulld...
Invoking JavaScript code in an iframe from the parent page
...ead of document.getElementById.
// this option does not work in most of latest versions of chrome and Firefox
window.frames[0].frameElement.contentWindow.targetFunction();
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