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Should I pass an std::function by const-reference?
...ormance, pass by value if you are storing it.
Suppose you have a function called "run this in the UI thread".
std::future<void> run_in_ui_thread( std::function<void()> )
which runs some code in the "ui" thread, then signals the future when done. (Useful in UI frameworks where the UI...
Dependency Walker reports IESHIMS.DLL and WER.DLL missing?
...ms.dll is an artefact of Vista/7 where a shim DLL is used to proxy certain calls (such as CreateProcess) to handle protected mode IE, which doesn't exist on XP, so it is unnecessary. wer.dll is related to Windows Error Reporting and again is probably unused on Windows XP which has a slightly differe...
How to Use Order By for Multiple Columns in Laravel 4?
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@Rafael, if you haven't already ran it (called get or first), just call orderBy on it. Else, nope.
– rmobis
Jan 17 '15 at 6:33
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What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
...lization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the recei...
RESTful Authentication via Spring
...As you can see, we've created a custom AuthenticationEntryPoint, which basically just returns a 401 Unauthorized if the request wasn't authenticated in the filter chain by our AuthenticationTokenProcessingFilter.
CustomAuthenticationEntryPoint:
public class CustomAuthenticationEntryPoint implement...
Conditional Variable vs Semaphore
...e that a piece of code is atomic, put a lock around it. You could theoretically use a binary semaphore to do this, but that's a special case.
Semaphores and condition variables build on top of the mutual exclusion provide by locks and are used for providing synchronized access to shared resources....
OAuth with Verification in .NET
...t as a console app) to integrate with an OAuth-enabled application, specifically Mendeley ( http://dev.mendeley.com ), which apparently uses 3-legged OAuth.
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How to include external Python code to use in other files?
...hods in a file, is there a way to include those files in another file, but call them without any prefix (i.e. file prefix)?
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Revert to a commit by a SHA hash in Git? [duplicate]
...t reset --soft HEAD@{1} simply moves the pointer back to the HEAD prior to calling git reset 56e05fced. Using a higher number (e.g. git reset --soft HEAD@{2}) would append the new commit on a previous commit. That is, increasing the number would essentially throw away N-1 commits where N is the numb...
How to handle screen orientation change when progress dialog and background thread active?
...u would switch to the home screen or to another app like a game or a phone call might come in or something else resource hungry that will eventually destroy your activity. And what then? You are facing the same old issue which is NOT solved with that neat little trick. The activity will be recreated...