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Timer function to provide time in nano seconds using C++
...lt in these routines returning
different values as the thread moves from one processor to another...
However this StackOverflow answer https://stackoverflow.com/a/4588605/34329 states that QPC should work fine on any MS OS after Win XP service pack 2.
This article shows that Windows 7 can deter...
C# Sortable collection which allows duplicate keys
...So in example below, both the Header objects should exists and in sequence one below other. If I add another Header object with XPos=2, I should then have 3 objects in the list, 2 objects with XPos=1 and third as XPos=2
– Mayur Kotlikar
Apr 20 '11 at 5:04
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Why does volatile exist?
...rdware managed 16 bit value as a semaphore to know when the other guy was done. Essentially we did this:
void waitForSemaphore()
{
volatile uint16_t* semPtr = WELL_KNOWN_SEM_ADDR;/*well known address to my semaphore*/
while ((*semPtr) != IS_OK_FOR_ME_TO_PROCEED);
}
Without volatile, the opt...
BCL (Base Class Library) vs FCL (Framework Class Library)
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@JoanVenge BCL is a subset of FCL; BCL is a subcomponent of FCL, not a separate component all together.
– iliketocode
Aug 20 '16 at 22:32
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What are the main disadvantages of Java Server Faces 2.0?
...er. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration testing looked very nice too.
...
Are Databases and Functional Programming at odds?
...ss seems quite at odds with that fact that most web development work I've done has been heavily tied to databases, which are very data-centric.
...
Detecting input change in jQuery?
...o a text field, pasting, undoing, basically anytime the value changed from one value to another.
In jQuery do that like this
$('#someInput').bind('input', function() {
$(this).val() // get the current value of the input field.
});
starting with jQuery 1.7, replace bind with on:
$('#someInp...
Detect if homebrew package is installed
...ols in a rather large amount of ways in practice, with homebrew being just one of them.
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Reduce left and right margins in matplotlib plot
...
One way to automatically do this is the bbox_inches='tight' kwarg to plt.savefig.
E.g.
import matplotlib.pyplot as plt
import numpy as np
data = np.arange(3000).reshape((100,30))
plt.imshow(data)
plt.savefig('test.png', bbo...
Remap values in pandas column with a dict
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Adding to this question if you ever have more than one columns to remap in a data dataframe:
def remap(data,dict_labels):
"""
This function take in a dictionnary of labels : dict_labels
and replace the values (previously labelencode) into the string.
ex: di...