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What is the difference between 'typedef' and 'using' in C++11?
...eferences below refers to N4659: March 2017 post-Kona working draft/C++17 DIS.
Typedef declarations can, whereas alias declarations cannot, be used as initialization statements
But, with the first two non-template examples, are
there any other subtle differences in the standard?
Differences in s...
Java rounding up to an int using Math.ceil
...return 4? 157/32 = 4.90625 , I need to round up, I've looked around and this seems to be the right method.
15 Answers
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“java.lang.OutOfMemoryError : unable to create new native Thread”
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This is not a memory problem even though the exception name highly suggests so, but an operating system resource problem. You are running out of native threads, i.e. how many threads the operating system will allow your JVM to...
Use find command but exclude files in two directories
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edited Jan 3 '13 at 2:46
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Injecting $scope into an angular service function()
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The $scope that you see being injected into controllers is not some service (like the rest of the injectable stuff), but is a Scope object. Many scope objects can be created (usually prototypically inheriting from a parent scope). The root of all scopes is the $rootScope and you c...
How to listen for a WebView finishing loading a URL?
I have a WebView that is loading a page from the Internet. I want to show a ProgressBar until the loading is complete.
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Understand the “Decorator Pattern” with a real world example
...se toppings' decorators. Practically each customer would want toppings of his desire and final bill-amount will be composed of the base pizzas and additionally ordered toppings. Each topping decorator would know about the pizzas that it is decorating and it's price. GetPrice() method of Topping obje...
What does “Memory allocated at compile time” really mean?
...le-time. Also a global variable has static storage duration by default: it is allocated in the static memory area of the process memory space (.data/.bss section). Given that information, the compiler decides during compilation in what address of that static memory area the array will be.
Of cours...
Getting the exception value in Python
...'s no error message whereas using repr as pyfunc recommends will at least display the class of the exception. My take is that if you're printing it out, it's for an end user that doesn't care what the class is and just wants an error message.
It really depends on the class of exception that you are...
Get the last non-empty cell in a column in Google Sheets
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There may be a more eloquent way, but this is the way I came up with:
The function to find the last populated cell in a column is:
=INDEX( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ; ROWS( FILTER( A:A ; NOT( ISBLANK( A:A ) ) ) ) )
So if you combine it with your cur...