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How to Use Order By for Multiple Columns in Laravel 4?
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You can do as @rmobis has specified in his answer, [Adding something more into it]
Using order by twice:
MyTable::orderBy('coloumn1', 'DESC')
->orderBy('coloumn2', 'ASC')
->get();
and the second way to do it is,
Using raw order by:
MyTable::orderByRaw("coloumn1 DESC, coloum...
ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides
...tion so you can regret (useful when using with DataGrid, ListView and many more, that you can show an "Are you sure" confirmation to the user), the updated VB version is in the bottom of this message.
Please accept my apology that the screen is too narrow to contain my code, I don't like it either....
How can I rename a database column in a Ruby on Rails migration?
...need to write a separate down method".
See "Active Record Migrations" for more information.
rails g migration FixColumnName
class FixColumnName < ActiveRecord::Migration
def change
rename_column :table_name, :old_column, :new_column
end
end
If you happen to have a whole bunch of colu...
How can I check for “undefined” in JavaScript? [duplicate]
... property was declared but just not initialized. Use the in operator for a more robust check.
"theFu" in window; // true
"theFoo" in window; // false
If you are interested in knowing whether the variable hasn't been declared or has the value undefined, then use the typeof operator, which is guara...
How to step back in Eclipse debugger?
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How to count the number of true elements in a NumPy bool array
...gt;>> np.sum(boolarr)
5
Of course, that is a bool-specific answer. More generally, you can use numpy.count_nonzero.
>>> np.count_nonzero(boolarr)
5
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How to make an HTTP POST web request
...ey are not deprecated, there are just newer (and is most cases, better and more flexible) ways of making web requests. In my opinion, for simple, non-critical operations, the old ways are just fine - but it's up to you and whatever you are most comfortable with.
– Evan Mulawski...
Execute SQLite script
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@remeika I think the more idiomatic way to execute an inline command would be sqlite3 example.db 'SELECT * FROM some_table;', rather than piping an echo
– Christopher Shroba
Jan 21 '18 at 20:49
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Difference between string and char[] types in C++
...will always have the overhead of a heap allocation.
If you copy a text of more than 256 chars into the array, it might crash, produce ugly assertion messages or cause unexplainable (mis-)behavior somewhere else in your program.
To determine the text's length, the array has to be scanned, character ...