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Appropriate datatype for holding percent values?
What is the best datatype for holding percent values ranging from 0.00% to 100.00%?
5 Answers
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How to initialize a private static const map in C++?
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10 Answers
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For each row return the column name of the largest value
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100
One option using your data (for future reference, use set.seed() to make examples using sample...
Trim last character from a string
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answered Aug 26 '10 at 8:25
Damian Leszczyński - VashDamian Leszczyński - Vash
27.9k88 gold badges5252 silver badges9393 bronze badges
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...NaN" (§9.8.1):
If m is NaN, return the String "NaN".
Following step 10 of §15.4.4.5, we get 15 repetitions of the concatenation of "NaN" and the empty string, which equals the result you're seeing.
When using "wat" + 1 instead of "wat" - 1 as argument, the addition operator converts 1 to a s...
Setting environment variables on OS X
...plications/Dev/apache-ant
setenv ANT_OPTS -Xmx512M
setenv MAVEN_OPTS "-Xmx1024M -XX:MaxPermSize=512m"
setenv M2_HOME /Applications/Dev/apache-maven
setenv JMETER_HOME /Applications/Dev/jakarta-jmeter
Save your changes in vi and reboot your Mac. Or use the grep/xargs command which is shown in the ...
Best way to represent a fraction in Java?
...umber. (Which, for 1.1, is:
* (-1)^0 * 2^0 * (1 + 0x199999999999aL / 0x10000000000000L).)
*
* NOTE: In many cases, BigFraction(Double.toString(d)) may give a result
* closer to what the user expects.
*/
public BigFraction(double d)
{
if(Double.isInfinite(d))
throw new ...
Determine if an element has a CSS class with jQuery
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edited Aug 10 '11 at 18:20
Jeff May
44922 silver badges1414 bronze badges
answered Nov 4 ...
What is an idempotent operation?
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1009
In computing, an idempotent operation is one that has no additional effect if it is called mo...
pyplot scatter plot marker size
...d the output they produce.
# doubling the width of markers
x = [0,2,4,6,8,10]
y = [0]*len(x)
s = [20*4**n for n in range(len(x))]
plt.scatter(x,y,s=s)
plt.show()
gives
Notice how the size increases very quickly. If instead we have
# doubling the area of markers
x = [0,2,4,6,8,10]
y = [0]*len(...