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Header files for x86 SIMD intrinsics
...nt in all clang-3.x releases. gcc-7 is in pre-release (regression testing, etc.) and following the current versioning scheme, will be released as gcc-7.1.0.
clang : x86intrin.h appears to have been supported for all clang-3.x releases. The latest stable release is clang (LLVM) 3.9.1. The developmen...
How do I implement basic “Long Polling”?
...ller: Processes actions required to create a valid response (db operations etc.)
Processor: Manages asynch communication with the web page (itself)
IAsynchProcessor: The service processes instances that implement this interface
Sevice: Processes request objects that implement IAsynchProcessor
Reques...
Difference between except: and except Exception as e: in Python
... you can use the infomration in the exception (type, message, stack trace, etc) to handle the exception in a more specially tailored manor.
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How to find what code is run by a button or element in Chrome using Developer Tools
...ers for the event type that we are interested in (e.g. click, change, etc)
handler
Actual event handler method that you can see by right clicking it and selecting Show function definition
selector
The selector provided for delegated events. It will be empty for direct events.
targets
List with ...
How do I execute inserts and updates in an Alembic upgrade script?
...al models directly will cause problems with missing columns, invalid data, etc. It's clearer to explicitly state exactly what columns and models you will use in the migration.
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REST response code for invalid data
...te the updated HTTP/1.1 RFCs: 400 Bad Request, 409 Conflict, 403 Forbidden etc. live in tools.ietf.org/html/rfc7231 ; 412 Precondition Failed is in tools.ietf.org/html/rfc7232#section-4.2
– Matty K
Jul 3 '14 at 3:49
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How does Go compile so quickly?
...here every single file starts including x headers, which include y headers etc. Bottom line: Go's compiling takes linear time w.r.t to the number of imported packages, where C/C++ take exponential time.
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Java SafeVarargs annotation, does a standard or best practice exist?
... as an argument to a parameter of type T[], getting the array type using .getClass(), passing it to methods that depend on the runtime type of the array, like List.toArray() and Arrays.copyOf(), etc.
2) The distinction I mentioned above is too complicated to be easily distinguished automatically.
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Is there a way to check if a file is in use?
...e function below, for example
TimeoutFileAction(() => { System.IO.File.etc...; return null; } );
Reusable method that times out after 2 seconds
private T TimeoutFileAction<T>(Func<T> func)
{
var started = DateTime.UtcNow;
while ((DateTime.UtcNow - started).TotalMillisecond...
Why do we need tuples in Python (or any immutable data type)?
... You could then hang other mutable data on the class--"user is logged in", etc. Since this doesn't affect equality or the hash, it's possible and perfectly valid to use this as a key in a dictionary. This isn't too commonly needed in Python; I just point it out since several people have claimed th...