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initialize a vector to zeros C++/C++11
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A vector is initialized to 0 automatically, unless you specify some other value in the declaration, like ronag showed.
– Nikos
Jul 23 '17 at 16:18
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Rails: Get Client IP address
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request.remote_ip is an interpretation of all the available IP address information and it will make a best-guess. If you access the variables directly you assume responsibility for testing them in the correct precedence order. Proxies introduce a number of headers th...
How to avoid soft keyboard pushing up my layout? [duplicate]
...eyboard always pushes up my navigation buttons, even though it doesn't actually block the textview. It makes my UI looks funny. How can I force my navigation buttons to stay static where they are without ever being pushed by the soft keyboard? I have tried to set the Activity's windowSoftInputMode, ...
How to get distinct values from an array of objects in JavaScript?
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@zhuguowei perhaps, although there's nothing really wrong with sparse arrays - and I also assumed that age is a relatively small integer (<120 surely)
– Niet the Dark Absol
Jun 12 '17 at 14:56
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How to get a specific “commit” of a gem from github?
...it://github.com/rails/rails.git', :tag => 'v2.3.5'
Source: How to install gems from git repositories
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Django optional url parameters
...r, easier to follow way is to have multiple rules that matches your needs, all pointing to the same view.
urlpatterns = patterns('',
url(r'^project_config/$', views.foo),
url(r'^project_config/(?P<product>\w+)/$', views.foo),
url(r'^project_config/(?P<product>\w+)/(?P<pro...
How to get UITableView from UITableViewCell?
...ld appear that this has changed once again in iOS 8 and this takes care of all versions nicely.
– djskinner
Oct 12 '14 at 19:22
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Laravel requires the Mcrypt PHP extension
...e to include the actual path to your PHP. Something like this (I don't actually use OSX so this might not be 100%):
export PATH=/usr/local/php5/bin:$PATH
Ubuntu
On earlier versions of Ubuntu (prior to 14.04) when you run sudo apt-get install php5-mcrypt it doesn't actually install the extension ...
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
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Please note that clock does not measure wall clock time. That means if your program takes 5 seconds, clock will not measure 5 seconds necessarily, but could more (your program could run multiple threads and so could consume more CPU than real time) or less. It measu...
Converting array to list in Java
... new ArrayList<Integer>(Arrays.asList(values));
First approach actually does not convert array but 'represents' it like a List. But array is under the hood with all its properties like fixed number of elements. Please note you need to specify type when constructing ArrayList.
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