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EC2 Can't resize volume after increasing size
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70
Thank you Wilman your commands worked correctly, small improvement need to be considered if we a...
std::shared_ptr thread safety explained
... only newly created object?
is incorrect. Only d will point to the new A(10), and a, b, and c will continue to point to the original A(1). This can be seen clearly in the following short example.
#include <memory>
#include <iostream>
using namespace std;
struct A
{
int a;
A(int a) ...
Why is using the rails default_scope often recommend against?
... when wanting to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, p...
How to show vertical line to wrap the line in Vim?
I'm interested in finding a way to show a vertical line at column 80 in Vim (not GVim).
5 Answers
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Using CSS to insert text
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answered Apr 29 '10 at 23:14
Marcel JackwerthMarcel Jackwerth
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How to automatically navigate to the current class in Intellij Idea Project Tool Window?
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answered Jul 10 '12 at 15:18
CrazyCoderCrazyCoder
331k126126 gold badges839839 silver badges763763 bronze badges
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Will web browsers cache content over https
...he Cache-Control header to a non-zero value, e.g.
Cache-Control: max-age=3600
will tell the browser that this page can be cached for 3600 seconds (1 hour)
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What does `:_*` (colon underscore star) do in Scala?
... that application to have type (p1 : T1, . . . , pn : Tn,ps : S, . . . , ps0S)U,
with k ¡ n occurrences of type S where any parameter names beyond ps are
fresh. The only exception to this rule is if the last argument is marked to be
a sequence argument via a _* type annotation. If m abo...
CORS - How do 'preflight' an httprequest?
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monsurmonsur
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Select 50 items from list at random to write to file
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If the list is in random order, you can just take the first 50.
Otherwise, use
import random
random.sample(the_list, 50)
random.sample help text:
sample(self, population, k) method of random.Random instance
Chooses k unique random elements from a population sequence.
Retu...