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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

... of the answer. As a result, most compilers are very conservative about reordering floating point calculations unless they can be sure that the answer will stay the same, or unless you tell them you don't care about numerical accuracy. For example: the -fassociative-math option of gcc which allows...
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Why am I getting 'Assembly '*.dll' must be strong signed in order to be marked as a prerequisite.'?

I'm trying to compile my excel addin using C# 4.0, and started to get this problem when building my project in Visual Studio. It's important to tell you that I haven't had this problem before. What could cause this to happen? ...
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How to do this in Laravel, subquery where in

...uery) { $query->select(DB::raw(1)) ->from('orders') ->whereRaw('orders.user_id = users.id'); }) ->get(); This will produce: select * from users where id in ( select 1 from orders where orders.user_id = users.id ) ...
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How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C

...pe.DateTime, Value = endDate }); Another important thing is to respect the order of the parameters. – Francisco Goldenstein Jul 21 '14 at 17:56 ...
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What is managed or unmanaged code in programming?

..., CLR, the foundation of the .net framework, IL, CLI execution environment etc etc – BKSpurgeon Mar 3 '16 at 1:32 add a comment  |  ...
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Remove duplicates from an array of objects in JavaScript

...orks, it does not take care of a sorted array since fetching keys is never order guaranteed. So, you end up sorting it again. Now, suppose the array was not sorted but yet its order is important, there is no way you can make sure that order stays intact – Deepak G M ...
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What are the differences between django-tastypie and djangorestframework? [closed]

... to Django idioms throughout - built on top of Django's class based views, etc... (Whereas TastyPie came along before Django's CBVs existed, so uses it's own class-based views implementation) I'd like to think that the underlying architecture is pretty nicely built, decoupled etc... In any case, ...
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Insert new column into table in sqlite?

...AULT {defaultValue}; More important: (thinking about why you would want to order the columns..) use in every record action (like insert or add) always the column names, this way, you will never get mistakes somewheere in your code after altering the table. – michel.iamit ...
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How to change the order of DataFrame columns?

... + cols[:-1] In [13]: cols Out[13]: ['mean', 0L, 1L, 2L, 3L, 4L] Then reorder the dataframe like this: In [16]: df = df[cols] # OR df = df.ix[:, cols] In [17]: df Out[17]: mean 0 1 2 3 4 0 0.445543 0.445598 0.173835 0.343415 0.682252 ...
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos

...ccommodate R, a new level is created. Bottom-Left (BL) Algorithm BL first order items by non-increasing width. BL packs the next item as near to the bottom as it will fit and then as close to the left as it can go without overlapping with any packed item. Note that BL is not a level-oriented packin...