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How to calculate number of days between two given dates?
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DanaDana
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What's the difference between array_merge and array + array?
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The difference is:
The + operator takes the union of the two arrays, whereas the array_merge function takes the union BUT the duplicate keys are overwritten.
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What is the difference between `throw new Error` and `throw someObject`?
...rors to occur before control is automatically transferred from the try block to the catch block, you can also explicitly throw your own exceptions to force that to happen on demand. This is great for creating your own definitions of what an error is and when control should be transferred to catch.
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“unpacking” a tuple to call a matching function pointer
... "<<b<<" "<<c<< std::endl; };
auto params = std::make_tuple(1,2.0,"Hello");
std::apply(f, params);
Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments).
The basic C++14 solution is still missing in this threa...
Adding a column to an existing table in a Rails migration
... (rails generate migration add_email_to_users email:string will do the trick).
It will create a migration file containing line:
add_column :users, email, string
Then do a rake db:migrate and it'll run the new migration, creating the new column.
If you have not yet run the original migration you can...
Sending email through Gmail SMTP server with C#
For some reason neither the accepted answer nor any others work for me for " Sending email in .NET through Gmail ". Why would they not work?
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How to force R to use a specified factor level as reference in a regression?
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Gavin SimpsonGavin Simpson
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View more than one project/solution in Visual Studio
...und with some Windows Services. I have created two solutions and I would like to view both of them at once. Without having to click file->recent projects to switch back and forth.
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Is there a way to programmatically scroll a scroll view to a specific edit text?
... It is a form with various fields that the user must fill in. I have a checkbox half way down my form, and when the user checks it I want to scroll to a specific part of the view. Is there any way to scroll to an EditText object (or any other view object) programmatically?
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How can I order a List?
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daryaldaryal
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