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What is more efficient? Using pow to square or just multiply it with itself?
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I tested the performance difference between x*x*... vs pow(x,i) for small i using this code:
#include <cstdlib>
#include <cmath>
#include <boost/date_time/posix_time/posix_time.hpp>
inline boost::posix_time::ptime now()
{
return boost::posix_time::microsec_clock::local_t...
Biggest differences of Thrift vs Protocol Buffers?
...tter documentation/examples
Thrift has a builtin Set type
Protocol Buffers allow "extensions" - you can extend an external proto to add extra fields, while still allowing external code to operate on the values. There is no way to do this in Thrift
I find Protocol Buffers much easier to read
Basica...
SimpleTest vs PHPunit
...here again even so I already did it on some other (newer) questions.
I'm really really baffled that SimpleTest still is considered an alternative to phpunit. Maybe i'm just misinformed but as far as I've seen:
PHPUnit is the standard; most frameworks use it (like Zend Framework (1&2), Cake, Aga...
Why C# fails to compare two object types with each other but VB doesn't?
..., as things like Option Compare can affect how text is compared.
Fundamentally the operators don't work the same way and aren't intended to work the same way.
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SQL RANK() versus ROW_NUMBER()
...ular ordering value.
RANK and DENSE_RANK are deterministic in this case, all rows with the same value for both the ordering and partitioning columns will end up with an equal result, whereas ROW_NUMBER will arbitrarily (non deterministically) assign an incrementing result to the tied rows.
Examp...
With ng-bind-html-unsafe removed, how do I inject HTML?
...example, load it from https://ajax.googleapis.com/ajax/libs/angularjs/[LAST_VERSION]/angular-sanitize.min.js
you need to include ngSanitize module on your app
eg: var app = angular.module('myApp', ['ngSanitize']);
you just need to bind with ng-bind-html the original html content. No need to do anyth...
How can I make git accept a self signed certificate?
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You should never globally disable TLS(/SSL) certificate verification.
– Flow
Aug 13 '15 at 12:01
4
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How to get an object's property's value by property name?
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@TheMuffinMan, yes, it is a generally applicable feature, like write-host $obj."$somepropertyname"
– Elroy Flynn
May 26 '17 at 1:44
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Error pushing to GitHub - insufficient permission for adding an object to repository database
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This will allow any new files created by another user to maintain the group permissions of the root directory. Otherwise, you'll have errors pushing up to the repository. See setuid and setgid
– syvex
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Effects of the extern keyword on C functions
...since it will be encountered later. Functions and variables are treated equally in this regard.
It's very useful if you need to share some global between modules and don't want to put / initialize it in a header.
Technically, every function in a library public header is 'extern', however labeling...