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Purpose of #!/usr/bin/python3
...ges, but in this example, I am using python. In many tutorials, they would start with #!/usr/bin/python3 on the first line. I don't understand why we have this.
...
How do I get the day of the week with Foundation?
...atter weekdaySymbols] (and similar), which returns an NSArray of NSStrings starting with Sunday at index 0.
– beetstra
Nov 9 '11 at 12:18
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Get elements by attribute when querySelectorAll is not available without using libraries?
...ution that works at least in IE7". Secondly, that link states that support starts in IE11 even though it actually starts from IE8 - maybe this should be swapped to developer.mozilla.org/en-US/docs/Web/API/Element/… so it actually supports the answer...?
– Zze
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Measuring function execution time in R
...
Another possible way of doing this would be to use Sys.time():
start.time <- Sys.time()
...Relevent codes...
end.time <- Sys.time()
time.taken <- end.time - start.time
time.taken
Not the most elegant way to do it, compared to the answere above , but definitely a way to do it.
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PDO's query vs execute
...ment, and hopefully you can replicate it or something better in yours:
To start, I've created a basic table in Microsoft SQL Server
CREATE TABLE performancetest (
sid INT IDENTITY PRIMARY KEY,
id INT,
val VARCHAR(100)
);
And now a basic timed test for performance metrics.
$logs = []...
Multiple contexts with the same path error running web service in Eclipse using Tomcat
...e the class, I created the web service with Apache Axis2. When I click the start server button in eclipse it gives an error message:
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How do I get the time difference between two DateTime objects using C#?
...ts me a TimeSpan that will tell me the diff.
Here's an example:
DateTime start = DateTime.Now;
// Do some work
TimeSpan timeDiff = DateTime.Now - start;
timeDiff.TotalMilliseconds;
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improv...
JOIN queries vs multiple queries
... depending on whether or not you're planning on scaling. Cuz when facebook started out I'm sure they had those kind of queries, but had scaling in mind and went for the more efficient albeit possibly more complex solution.
– dudewad
Jul 4 '13 at 23:04
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What does jquery $ actually return?
...are store as property of the object, their property name are index numbers start from 0,
thus could be accessed by index, start from 0,
after get the original element, you can treat it as if get by document.getElementXxx().
Wrap an original element to a jquery object
After get the original element...
Correct way to use StringBuilder in SQL
... listed some_appropriate_size in the StringBuilder constructor, so that it starts out with enough capacity for the full content we're going to append. The default size used if you don't specify one is 16 characters, which is usually too small and results in the StringBuilder having to do reallocatio...