大约有 40,000 项符合查询结果(耗时:0.0468秒) [XML]

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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?

... C++) However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actually use true and false. In a C compiler, this is equivalent to 0 and 1. (note that removing the parentheses will break that due to order of operations) ...
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Creating functions in a loop

...cated way which involved using a closure as a "function factory": def make_f(i): def f(): return i return f and in your loop use f = make_f(i) instead of the def statement. share | ...
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What version of Visual Studio is Python on my computer compiled with?

... Visual C++ version _MSC_VER Visual C++ 4.x 1000 Visual C++ 5 1100 Visual C++ 6 1200 Visual C++ .NET 1300 Visual C++ .NET 2003 1310 Visual C++ 2005 (8.0) ...
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How do I use HTML as the view engine in Express?

... routing. Instead, just use the static middleware: app.use(express.static(__dirname + '/public')); share | improve this answer | follow | ...
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Datepicker: How to popup datepicker when click on edittext

...e: <EditText android:id="@+id/Birthday" custom:font="@string/font_avenir_book" android:clickable="true" android:editable="false" android:hint="@string/birthday"/> Now in Java File: final Calendar myCalendar = Calendar.getInstance(); EditText edittext= (EditText) findViewByI...
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Where can I learn how to write C code to speed up slow R functions? [closed]

...: SEXP foobar(){ SEXP ab; PROTECT(ab = allocVector(STRSXP, 2)); SET_STRING_ELT( ab, 0, mkChar("foo") ); SET_STRING_ELT( ab, 1, mkChar("bar") ); UNPROTECT(1); } Using Rcpp, you can write the same function as: SEXP foobar(){ return Rcpp::CharacterVector::create( "foo", "bar" ) ; } ...
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Random String Generator Returning Same String [duplicate]

...ce of calls to Convert and Floor and NextDouble): private readonly Random _rng = new Random(); private const string _chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; private string RandomString(int size) { char[] buffer = new char[size]; for (int i = 0; i < size; i++) { buffer[i] = _c...
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Python: Tuples/dictionaries as keys, select, sort

...u wish. For this case, I'd use the following class: class Fruit: def __init__(self, name, color, quantity): self.name = name self.color = color self.quantity = quantity def __str__(self): return "Name: %s, Color: %s, Quantity: %s" % \ (self.name, self...
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Pythonic way to print list items

...myList, sep='\n') You can get the same behavior on Python 2.x using from __future__ import print_function, as noted by mgilson in comments. With the print statement on Python 2.x you will need iteration of some kind, regarding your question about print(p) for p in myList not working, you can just...
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Best way to serialize an NSData into a hexadeximal string

...rsion.h #import <Foundation/Foundation.h> @interface NSData (NSData_Conversion) #pragma mark - String Conversion - (NSString *)hexadecimalString; @end NSData+Conversion.m #import "NSData+Conversion.h" @implementation NSData (NSData_Conversion) #pragma mark - String Conversion - (NSStr...