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Creating a zero-filled pandas data frame
...lower.
And just for the heck of it:
In [24]: %timeit d = orig_df * 0.0 + 1.0
100 loops, best of 3: 13.6 ms per loop
In [25]: %timeit d = pd.eval('orig_df * 0.0 + 1.0')
100 loops, best of 3: 8.36 ms per loop
But:
In [24]: %timeit d = orig_df.copy()
10 loops, best of 3: 24 ms per loop
EDIT!!!
...
Which is better: … or …
...ute at all? If you're using HTML5, no. Otherwise, yes. HTML 4.01 and XHTML 1.0 specifies the type attribute as required while HTML5 has it as optional, defaulting to text/javascript. HTML5 is now widely implemented, so if you use the HTML5 doctype, <script>...</script> is valid and a goo...
Storing R.drawable IDs in XML array
...le within your /res/values folder that looks like this:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer-array name="random_imgs">
<item>@drawable/car_01</item>
<item>@drawable/balloon_random_02</item>
<item>@dr...
Full Page
...anks for everyone responding.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Test Layout</title>
<style type="tex...
Android Paint: .measureText() vs .getTextBounds()
...= new StaticLayout(text, textPaint, boundedWidth , Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false);
int height = layout.getHeight();
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What is the significance of load factor in HashMap?
... of the map is more than 32. The map with initial size 4 and load factor 1.0 (4 buckets, but all the 4 element in a single bucket) will be in this example in average two times slower than another one with the load factor 0.75 (8 buckets, two buckets filled - with element "4" and with elements "8",...
How to implement a ConfigurationSection with a ConfigurationElementCollection
...e code as well.
Your app.config should look like this:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="ServicesSection" type="RT.Core.Config.ServiceConfigurationSection, RT.Core"/>
</configSections>
<ServicesSe...
Is there a Java reflection utility to do a deep comparison of two objects?
...rison handles cycles. By default floats are
compared with a precision of 1.0E-6 and doubles with 1.0E-15.
You can specify a custom comparator per (nested) fields or type with
respectively usingComparatorForFields(Comparator, String...) and
usingComparatorForType(Comparator, Class).
T...
image processing to improve tesseract OCR accuracy
... fy = y * nHeightFactor - fr_y;
nx = 1.0 - fx;
ny = 1.0 - fy;
color1 = temp.GetPixel(fr_x, fr_y);
color2 = temp.GetPixel(cx, fr_y);
color3 = temp.GetPixel(fr_x, cy);...
What's the difference between a single precision and double precision floating point operation?
...1010101010 = NaN
0 10000000 00000000000000000000000 = +1 * 2**(128-127) * 1.0 = 2
0 10000001 10100000000000000000000 = +1 * 2**(129-127) * 1.101 = 6.5
1 10000001 10100000000000000000000 = -1 * 2**(129-127) * 1.101 = -6.5
0 00000001 00000000000000000000000 = +1 * 2**(1-127) * 1.0 = 2**(-126)
0 0000...