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How do I get current date/time on the Windows command line in a suitable format for usage in a file/
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See Windows Batch File (.bat) to get current date in MMDDYYYY format:
@echo off
For /f "tokens=2-4 delims=/ " %%a in ('date /t') do (set mydate=%%c-%%a-%%b)
For /f "tokens=1-2 delims=/:" %%a in ('time /t') do (set mytime=%%a%%b)
echo %mydate%_%mytime%
If you prefer the time in 24 hou...
OO Design in Rails: Where to put stuff
...es classes when the object is intended to be used by helpers (for instance Form Builders).
This is a really general overview. Please provide more details about specific examples if you want to get more customized suggestions. :)
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Undefined behavior and sequence points
... of the C++ standard. The C++11 and C++14 versions of the standard do not formally contain 'sequence points'; operations are 'sequenced before' or 'unsequenced' or 'indeterminately sequenced' instead. The net effect is essentially the same, but the terminology is different.
Disclaimer : Okay. T...
What is 'Pattern Matching' in functional languages?
... of equivalence instead of assignment.
Long answer: Pattern matching is a form of dispatch based on the “shape” of the value that it's given. In a functional language, the datatypes that you define are usually what are known as discriminated unions or algebraic data types. For instance, what'...
Why is “while ( !feof (file) )” always wrong?
...d in fact unreasonable, to ask an I/O system whether it will be able to perform an I/O operation. The only possible way we can interact with it (just as with a concurrent container) is to attempt the operation and check whether it succeeded or failed. At that moment where you interact with the envir...
Column order manipulation using col-lg-push and col-lg-pull in Twitter Bootstrap 3
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
What is the difference between LR, SLR, and LALR parsers?
... me is an enormously useful fact. I build program analyzers and code transformers and parsers are necessary but "uninteresting"; the interesting work is what you do with the parsed result and so the focus is on doing the post-parsing work. Using GLR means I can relatively easily build working gram...
Would it be beneficial to begin using instancetype instead of id?
...blem. For instance, [[NSFileHandle fileHandleWithStandardOutput] writeData:formattedData] will generate an error on Mac OS X (only) Multiple methods named 'writeData:' found with mismatched result, parameter type or attributes. The reason is that both NSFileHandle and NSURLHandle provide a writeData...
What exactly is a reentrant function?
...The objects from the STL are designed to be not thread-safe (because of performance issues), and thus, if a user want to share a std::string between two threads, the user must protect its access with concurrency primitives;
7.5. Make sure your thread-safe code is recursive-safe
This means using re...
The Use of Multiple JFrames: Good or Bad Practice? [closed]
...feel it should be offered to the user both ways (certainly not only in MDI form). For example: 1) I currently use TextPad, and by configuration at my choice, it opens separate instances, that each offer multiple documents shown in a list. 2) Although I'll typically use FF in tabbed mode, occasio...