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Passing references to pointers in C++
...he pointer as well as the pointer itself. I don't want to pass the pointer by value.
– Alex
May 5 '09 at 5:12
Still no...
What exactly is nullptr?
...it with NULL is ambiguous. The way this is worked around now is very hacky by accepting an int and assuming it's NULL.
template <class T>
class ptr {
T* p_;
public:
ptr(T* p) : p_(p) {}
template <class U>
ptr(U* u) : p_(dynamic_cast<T*>(u)) { }
...
What is the easiest way to duplicate an activerecord record?
...benMartineJr. I know this is an old post, but yeah you can get around this by using '.except' on the attributes hash: new_task = Task.new(old_task.attributes.except(:attribute_you_dont_want, :another_aydw).merge({:scheduled_on => some_new_date}))
– Ninigi
Ja...
xpath find if node exists
...
I work in Ruby and using Nokogiri I fetch the element and look to see if the result is nil.
require 'nokogiri'
url = "http://somthing.com/resource"
resp = Nokogiri::XML(open(url))
first_name = resp.xpath("/movies/actors/actor[1]/firs...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
...1012,
kCFURLErrorUserAuthenticationRequired = -1013,
kCFURLErrorZeroByteResource = -1014,
kCFURLErrorCannotDecodeRawData = -1015,
kCFURLErrorCannotDecodeContentData = -1016,
kCFURLErrorCannotParseResponse = -1017,
kCFURLErrorInternationalRoamingOff = -1018,
kCFURLErro...
What is a good use case for static import of methods?
...
Used appropriately, static import can make your program more readable, by removing the boilerplate of repetition of class names.
Basically copied from this blog: https://medium.com/alphadev-thoughts/static-imports-are-great-but-underused-e805ba9b279f
So for example:
Assertions in tests
This...
Is it possible to change the location of packages for NuGet?
...
See reviewboard.nupack.com/r/131 for a full description by @dfowler of how nuget.config works. For example, a valid nuget.config would look like this: <settings><repositoryPath>lib</repositoryPath></settings>
– Lee Harold
...
Error when trying to obtain a certificate: The specified item could not be found in the keychain
...
Even I was getting this issue. I solved this by selecting All Items instead of the Keys in the Categories pane and then trying to create the Certificate.
Try this, it will surely work.
share
...
Angularjs loading screen on ajax request
... scope.watch doesn't work for me. I had to do it the way that jzm does it (by using '' around the name and omitting the scope prefix). Any ideas why?
– KingOfHypocrites
Jul 21 '15 at 23:15
...
How to get current time with jQuery
... any arguments.
The $.now() method is a shorthand for the number returned by the expression (new Date).getTime().
http://api.jquery.com/jQuery.now/
It's simple to use Javascript:
var d = new Date();
var time = d.getHours() + ":" + d.getMinutes() + ":" + d.getSeconds();
console.log(time);
...