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How can I compare two dates in PHP?
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Wouldn't it now be "If all your dates are posterior to the 1st of January of 1970" and "previous to 2038"? watch our for the y2k38 bug. strtotime will return false for larger dates. stackoverflow.com/questions/2012589/…
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how to create a file name with the current date & time in python?
...trying to use timedate (not work, I do not why), but with time it is clear now, the filename is created with success. Thank You so much!
– deepcell
May 15 '12 at 19:56
2
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Measure and Benchmark Time for Ruby Methods
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You could use the Time object. (Time Docs)
For example,
start = Time.now
# code to time
finish = Time.now
diff = finish - start
diff would be in seconds, as a floating point number.
EDIT: end is reserved.
share
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How to get the current date without the time?
...f you wanted the UTC date you could use:
DateTime dateTime = DateTime.UtcNow.Date;
It's not very clear whether that's what you need or not though... if you're just looking to print the date, you can use:
Console.WriteLine(dateTime.ToString("d"));
or use an explicit format:
Console.WriteLine(...
Showing Difference between two datetime values in hours
... get the actual Hours, Minutes and Seconds.
DateTime startTime = DateTime.Now;
DateTime endTime = DateTime.Now.AddSeconds( 75 );
TimeSpan span = endTime.Subtract ( startTime );
Console.WriteLine( "Time Difference (seconds): " + span.Seconds );
Console.WriteLine( "Time Difference (minutes): " ...
Date ticks and rotation in matplotlib
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import numpy as np
import matplotlib.pyplot as plt
import datetime as dt
now = dt.datetime.now()
hours = [now + dt.timedelta(minutes=x) for x in range(0,24*60,10)]
days = [now + dt.timedelta(days=x) for x in np.arange(0,30,1/4.)]
hours_value = np.random.random(len(hours))
days_value = np.random.ra...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
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you can actually look at the .net source for it now too: referencesource.microsoft.com/#mscorlib/system/collections/… you can see that all 3 of TryGetValue, ContainsKey, and this[] call the same FindEntry method and do the same amount of work, only differing in how they...
How to Calculate Execution Time of a Code Snippet in C++
...t;
static timestamp_t
get_timestamp ()
{
struct timeval now;
gettimeofday (&now, NULL);
return now.tv_usec + (timestamp_t)now.tv_sec * 1000000;
}
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timestamp_t t0 = get_timestamp();
// Process
timestamp_t t1 = get_timestamp();
double se...
Chrome: timeouts/interval suspended in background tabs?
I was testing the accuracy of setTimeout using this test . Now I noticed that (as expected) setTimeout is not very accurate but for most appliances not dramatically inaccurate. Now if I run the test in in Chrome and let it run in a background tab (so, switching to another tab and browse on ther...
Run a callback only if an attribute has changed in Rails
...saving to the database, or within the before_save filter:
changes should now be changes_to_save
changed? should now be has_changes_to_save?
changed should now be changed_attribute_names_to_save
<attribute>_change should now be <attribute>_change_to_be_saved
<attribute>_changed? s...