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Choice between vector::resize() and vector::reserve()
...ay of 1000 default items, use resize(). If you want an array to which you expect to insert 1000 items and want to avoid a couple of allocations, use reserve().
EDIT: Blastfurnace's comment made me read the question again and realize, that in your case the correct answer is don't preallocate manuall...
How do detect Android Tablets in general. Useragent?
...nd mobile Android. I don't want to just target a specific device like the Xoom Useragent since Android will most likely be on multiple tablet devices in the near future.
...
increase legend font size ggplot2
... for theme.
You can control the legend font size using:
+ theme(legend.text=element_text(size=X))
replacing X with the desired size.
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What is an intuitive explanation of the Expectation Maximization technique? [closed]
Expectation Maximization (EM) is a kind of probabilistic method to classify data. Please correct me if I am wrong if it is not a classifier.
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Why an abstract class implementing an interface can miss the declaration/implementation of one of th
...t any interface methods that the abstract class left out.
Following your example code, try making a subclass of AbstractThing without implementing the m2 method and see what errors the compiler gives you. It will force you to implement this method.
...
In Ruby how do I generate a long string of repeated text?
...uby? When I do 99999 * "0" I get TypeError: String can't be coerced into Fixnum
– Steven
Jan 14 '17 at 22:30
16
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How to find first element of array matching a boolean condition in JavaScript?
...n whether the condition was met once, not by which element (or at what index) it was met. So we have to amend it a little:
function find(arr, test, ctx) {
var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});
retu...
Fastest way to check a string contain another substring in JavaScript?
...
You have two possibilites:
Regular expression:
(new RegExp('word')).test(str)
// or
/word/.test(str)
indexOf:
str.indexOf('word') !== -1
Regular expressions seem to be faster (at least in Chrome 10).
Performance test - short haystack
Performance test - l...
Git Push Error: insufficient permission for adding an object to repository database
...
Repair Permissions
After you have identified and fixed the underlying cause (see below), you'll want to repair the permissions:
cd /path/to/repo.git
sudo chgrp -R groupname .
sudo chmod -R g+rwX .
find . -type d -exec chmod g+s '{}' +
Note if you want everyone to be able t...
Is there a printf converter to print in binary format?
I can print with printf as a hex or octal number. Is there a format tag to print as binary, or arbitrary base?
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