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Wrapping StopWatch timing with a delegate or lambda?
... sw.Stop();
return sw.ElapsedMilliseconds;
}
}
Then call it like this:
var s = new Stopwatch();
Console.WriteLine(s.Time(() => DoStuff(), 1000));
You could add another overload which omits the "iterations" parameter and calls this version with some default value (like 100...
Reduce, fold or scan (Left/Right)?
...
In general, all 6 fold functions apply a binary operator to each element of a collection. The result of each step is passed on to the next step (as input to one of the binary operator's two arguments). This way we can cumulate a result.
...
What's the difference between “STL” and “C++ Standard Library”?
...before C++ was standardised. C++ existed through the 80s, but what we now call "C++" is the language standardised in ISO/IEC 14882:2014 (and earlier versions, such as ISO/IEC 14882:2011).
The STL was already widely used as a library for C++, giving programmers access to containers, iterators and al...
“register” keyword in C?
... a processor register if possible.
Most modern compilers do that automatically, and are better at picking them than us humans.
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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
...s library. Shouldn't it be a warning or something?
To prevent this error, All you have to do after inserting a new entity is to Generate Database From Model again. That will update the SSDL and fix the mappings.
EDIT
If you are not using model-first and you "update from database", you will also h...
How to create P12 certificate for iOS distribution
...rom your hard drive
Click Generate
Click Download to get the file
C. Install .cer and generate .p12 certificate
Find .cer file you’ve downloaded and double-click
Set Login drop-down to “login" and Click Add
Open up KeyChain Access and you'll find profile created in Step A
You can expand “p...
FixedThreadPool vs CachedThreadPool: the lesser of two evils
...program that spawns threads (~5-150) which perform a bunch of tasks. Originally, I used a FixedThreadPool because this similar question suggested they were better suited for longer lived tasks and with my very limited knowledge of multithreading, I considered the average life of the threads (sev...
How do I get the dialer to open with phone number displayed?
I don't need to call the phone number, I just need the dialer to open with the phone number already displayed. What Intent should I use to achieve this?
...
What is a postback?
...
When does it happen?
A postback originates from the client browser. Usually one of the controls on the page will be manipulated by the user (a button clicked or dropdown changed, etc), and this control will initiate a postback. The state of this control, plus all other controls on the page,(know...
Should I pass an std::function by const-reference?
...rmance, 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 ...