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size_t vs. uintptr_t
The C standard guarantees that size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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Random row from Linq to Sql
What is the best (and fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true?
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What are C++ functors and their uses?
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A functor is pretty much just a class which defines the operator(). That lets you create objects which "look like" a function:
// this is a functor
struct add_x {
add_x(int val) : x(val) {} // Constructor
int operator()(int y) co...
Is it feasible to compile Python to machine code?
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Try ShedSkin Python-to-C++ compiler, but it is far from perfect. Also there is Psyco - Python JIT if only speedup is needed. But IMHO this is not worth the effort. For speed-critical parts of code best solution would be to write them as C/C++ extensions.
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Best way to get application folder path
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AppDomain.CurrentDomain.BaseDirectory is probably the most useful for accessing files whose location is relative to the application install directory.
In an ASP.NET application, this will be the application root directory, not the bin subfolder - which is probab...
Difference between DTO, VO, POJO, JavaBeans?
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JavaBeans
A JavaBean is a class that follows the JavaBeans conventions as defined by Sun. Wikipedia has a pretty good summary of what JavaBeans are:
JavaBeans are reusable software components for Java that can be manipulated visually in a bui...
How to wrap async function calls into a sync function in Node.js or Javascript?
...ll it to get actual data:
var output = getData();
Under the hood data is saved in a file so you implemented getData using Node.js built-in fs.readFileSync . It's obvious both getData and fs.readFileSync are sync functions. One day you were told to switch the underlying data source to a r...
How do I exit a WPF application programmatically?
...down behavior of your application by specifying a ShutdownMode:
Shutdown is implicitly called by Windows Presentation Foundation (WPF) in the following situations:
When ShutdownMode is set to OnLastWindowClose.
When the ShutdownMode is set to OnMainWindowClose.
When a user ends a session and the ...
How can I verify if one list is a subset of another?
I need to verify if a list is a subset of another - a boolean return is all I seek.
15 Answers
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Enter triggers button click
I have a page with two buttons. One is a <button> element and the other is a <input type="submit"> . The buttons appear on the page in that order. If I'm in a text field anywhere in the form and press <Enter> , the button element's click event is triggered. I assume that's be...