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Why start an ArrayList with an initial capacity?
...t 8 elements. Insert one (cost: 1). Insert two -- double, copy one element and insert two (cost: 2). Insert three -- double, copy two elements, insert three (cost: 3). Insert four (cost: 1). Insert five -- double, copy four elements, insert five (cost: 5). Insert six, seven and eight (cost: 3). Tota...
IIS - 401.3 - Unauthorized
...created a new site on IIS Manager, mapped it to a folder on my file system and added index.html to the folder. I have set the port to 85 for this site. When I try to access http://localhost:85/index.html , I get the following error message:
...
How to rename with prefix/suffix?
...
In Bash and zsh you can do this with Brace Expansion. This simply expands a list of items in braces. For example:
# echo {vanilla,chocolate,strawberry}-ice-cream
vanilla-ice-cream chocolate-ice-cream strawberry-ice-cream
So you ...
How to draw vertical lines on a given plot in matplotlib?
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The standard way to add vertical lines that will cover your entire plot window without you having to specify their actual height is plt.axvline
import matplotlib.pyplot as plt
plt.axvline(x=0.22058956)
plt.axvline(x=0.33088437)
p...
Event listener for when element becomes visible?
...yle.display on many places, instead, call a function/method that does this and anything else you might want).
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typeof !== “undefined” vs. != null
...n the two. In many cases, == can be better, because it tests for both null and undefined.
– seanmonstar
Jun 19 '12 at 16:58
10
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Scatterplot with too many points
...+ geom_point(alpha = 0.3)
Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regular old rectangular binning (image omitted), which is more like your tr...
Laravel migration: unique key is too long, even if specified
...l', 250);
Which is the default, actually:
$table->string('email');
And you should be good.
For Laravel 5.4 you can find a solution in this Laravel 5.4: Specified key was too long error, Laravel News post:
As outlined in the Migrations guide to fix this all you have to do is edit your AppSe...
Set environment variables from file of key/value pairs
...your approach is the export in the while loop is happening in a sub shell, and those variable will not be available in current shell (parent shell of while loop).
Add export command in the file itself:
export MINIENTREGA_FECHALIMITE="2011-03-31"
export MINIENTREGA_FICHEROS="informe.txt programa.c"...
How to change indentation mode in Atom?
...tabs instead though. Sublime Text has built in functionality for switching and converting indentation.
16 Answers
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