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Reference - What does this error mean in PHP?

...m. (Note: You might have multiple blocks if you had code that was automatically constructed) Also make sure you don't have any Byte Order Marks in your code, for example when the encoding of the script is UTF-8 with BOM. Related Questions: Headers already sent by PHP All PHP "Headers already sen...
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How to convert ActiveRecord results into an array of hashes

...d objects to Ruby Hashes despite its name tasks_records = TaskStoreStatus.all tasks_records = tasks_records.as_json # You can now add new records and return the result as json by calling `to_json` tasks_records << TaskStoreStatus.last.as_json tasks_records << { :task_id => 10, :sto...
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LINQ to Entities case sensitive comparison

...ObjectQuery.ToTraceString to see the generated SQL query that has been actually submitted to SQL Server reveals the mystery: string sqlQuery = ((ObjectQuery)context.Thingies .Where(t => t.Name == "ThingamaBob")).ToTraceString(); When you create a LINQ to Entities query, LINQ to Entities ...
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Find out how much memory is being used by an object in Python [duplicate]

...and internal structures related to object types and garbage collection. Finally, some python objects have non-obvious behaviors. For instance, lists reserve space for more objects than they have, most of the time; dicts are even more complicated since they can operate in different ways (they have a ...
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What techniques can be used to speed up C++ compilation times?

...ity that takes advantage of caching techniques to speed things up. Use Parallelism Many compilers / IDEs support using multiple cores/CPUs to do compilation simultaneously. In GNU Make (usually used with GCC), use the -j [N] option. In Visual Studio, there's an option under preferences to allow it...
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Unix's 'ls' sort by name

...t the FILEs (the current directory by default). Sort entries alpha‐betically if none of -cftuvSUX nor --sort is specified.: share | improve this answer | follow ...
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How to download image from url

...d content is not a known image type. Check this reference on MSDN to find all format available. Here are reference to WebClient and Bitmap. share | improve this answer | fo...
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Why does C++11 not support designated initializer lists as C99? [closed]

... named function arguments. But as of right now, name arguments don't officially exist. See N4172 Named arguments for a proposal of this. It would make code less error prone and easier to read. – David Baird Nov 29 '15 at 15:11 ...
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How to list the contents of a package using YUM?

... There is a package called yum-utils that builds on YUM and contains a tool called repoquery that can do this. $ repoquery --help | grep -E "list\ files" -l, --list list files in this package/group Combined into one example: $ r...
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Is there a math nCr function in python? [duplicate]

... @Renato: what are you talking about? This answer isn't dangerous at all. Do you think that math.factorial returns a float, and not an arbitrary-precision integer, maybe? – DSM Mar 25 '13 at 19:03 ...