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Are loops really faster in reverse?
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907
It's not that i-- is faster than i++. Actually, they're both equally fast.
What takes time in ...
Check if a table exists in Rails
...ke task that won't work unless a table exists. I'm working with more than 20 engineers on a website so I want to make sure they have migrated the table before they can do a rake task which will populate that respective table.
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HttpSecurity, WebSecurity and AuthenticationManagerBuilder
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Nice answer Nick. With spring-security-config-5.0.3 (which comes with spring-boot 2.0.0), I couldn't find the method http.authorizeUrls(), maybe it got renamed to http.authorizeRequests() some while ago.
– Yi Ou
Mar 24 '18 at 10:05
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postgresql - sql - count of `true` values
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10 Answers
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Stop pip from failing on single package when installing with requirements.txt
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edited Sep 30 '17 at 12:25
sorin
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How to get commit history for just one branch?
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Adam Rosenfield
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answered Jun 7 '13 at 0:06
alexalex
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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) ...
“FOUNDATION_EXPORT” vs “extern”
...akJesse Rusak
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Add a fragment to the URL without causing a redirect?
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170
window.location.hash = 'something';
That is just plain JavaScript.
Your comment...
Hi, wh...
Is it possible to group projects in Eclipse?
...dited Jun 4 '12 at 18:47
user229044♦
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answered Jan 31 '10 at 21:38
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