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What is a memory fence?
...ead/writes occur in the order you expect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence.
Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemen...
How can I check if character in a string is a letter? (Python)
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str.isalpha()
Return true if all characters in the string are alphabetic and there is at least one character, false otherwise. Alphabetic characters are those characters defined in the Unicode character database as “Letter”, i.e., those with general ...
What are Aggregates and PODs and how/why are they special?
... virtual functions (10.3).
So, OK, let's parse this definition. First of all, any array is an aggregate. A class can also be an aggregate if… wait! nothing is said about structs or unions, can't they be aggregates? Yes, they can. In C++, the term class refers to all classes, structs, and unions....
In Python, if I return inside a “with” block, will the file still close?
... dbrdbr
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Appending a vector to a vector [duplicate]
...end(a), std::begin(b), std::end(b));
The second variant is a more generically applicable solution, as b could also be an array. However, it requires C++11. If you want to work with user-defined types, use ADL:
using std::begin, std::end;
a.insert(end(a), begin(b), end(b));
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How to quickly open a file in Visual Studio 2012
...arch of the file name. In the whole procedure I don't need to use mouse at all.
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ImportError in importing from sklearn: cannot import name check_build
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Worked for me after installing scipy.
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Execute JavaScript using Selenium WebDriver in C#
...rfaces to model functionality that may be supported by one driver, but not all. In the Support assembly (WebDriver.Support.dll, available via NuGet in the Selenium.Support package), there's an extension method that handles the casting for you and makes it look like the driver has an ExecuteJavaScrip...
How can you make a custom keyboard in Android?
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First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if the folder does not exist, created it).
<?xml version="1.0" encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com...
Installing SciPy with pip
It is possible to install NumPy with pip using pip install numpy .
15 Answers
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