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Can a C++ enum class have methods?
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Concentrating on the description of the question instead of the title a possible answer is
struct LowLevelMouseEvent {
enum Enum {
mouse_event_uninitialized = -2000000000, // generate crash if try to use it uninitialized.
mo...
Using NSPredicate to filter an NSArray based on NSDictionary keys
...like[cd] means “case- and diacritic-insensitive like.”) For a complete description of the string syntax and a list of all the operators available, see Predicate Format String Syntax.
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imp...
Using vagrant to run virtual machines with desktop environment
... to move one step further, and use the capabilities of Vagrant to have the description of the machine in a text file and then be able to "raise" that machine based on that text file. Combined to puppet, this would solve us the problem that everyone have different software versions installed in the V...
What are the rules for JavaScript's automatic semicolon insertion (ASI)?
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The most contextual description of JavaScript's Automatic Semicolon Insertion I have found comes from a book about Crafting Interpreters.
JavaScript’s “automatic semicolon insertion” rule is the odd one. Where other languages assume mo...
How do I write a “tab” in Python?
...uence.
Here is a table of some of the more useful escape sequences and a description of the output from them.
Escape Sequence Meaning
\t Tab
\\ Inserts a back slash (\)
\' Inserts a single quote (')
\" Inserts a dou...
Really Cheap Command-Line Option Parsing in Ruby
...same type as the default value, generates short and long accessors, prints descriptive error messages if invalid arguments are given and more.
I compared several option-parser by using each option-parser for the problem I had.
You can use these examples and my summary to make an informative decisio...
Shell Script — Get all files modified after
I'd rather not do this in PHP so I'm hoping a someone decent at shell scripting can help.
9 Answers
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How to get the error message from the error code returned by GetLastError()?
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GetLastError returns a numerical error code. To obtain a descriptive error message (e.g., to display to a user), you can call FormatMessage:
// This functions fills a caller-defined character buffer (pBuffer)
// of max length (cchBufferLength) with the human-readable error message...
Does Java support default parameter values?
...communicate: as a reader of your blog, a 50 line example with a brief text description of what's going on would help me more than 300 lines without context.
– Christian Aichinger
Jan 27 '16 at 22:12
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What is the difference between and ?
...the list (which would be used as en-scouse):
Type: variant
Subtag: scouse
Description: Scouse
Added: 2006-09-18
Prefix: en
Comments: English Liverpudlian dialect known as 'Scouse'
There are all sorts of subtags available; a quick scroll has already revealed fr-1694acad (17th century French).
The ...