大约有 3,300 项符合查询结果(耗时:0.0288秒) [XML]

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How to create module-wide variables in Python? [duplicate]

...enforces NOT using global if you don't assign the var. module_var = '/dev/hello' def readonly_access(): connect(module_var) def readwrite_access(): global module_var module_var = '/dev/hello2' connect(module_var) ...
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Should 'using' directives be inside or outside the namespace?

...c static void Main(string[] args) { Guid g = new Guid("hello"); } } } The code fails on the following compiler error, found on the line containing Guid g = new Guid("hello"); CS0576: Namespace 'Microsoft.Sample' contains a definition conflicting with alias 'Guid' ...
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Polymorphism in C++

..., but are controlled by the cast-to type: f(const std::string& x); f("hello"); // invokes `std::string::string(const char*)` Implications of compiler-provided overloads, conversions and coercion Consider: void f() { typedef int Amount; Amount x = 13; x /= 2; std::cout <&...
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Should I use past or present tense in git commit messages? [closed]

...'t write a diary entry such as "Dear diary, today I meet a boy and he says hello to me.", but instead you write "I met a boy and he said hello to me." Finally, for such non-distributed projects, 99.99% of the time a person will be reading a commit message is for reading history - history is read in...
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How to read keyboard-input?

...ad_keyboard_input.py Ready for keyboard input: hey input_str = hey hello input_str = hello 7000 input_str = 7000 exit input_str = exit Exiting serial terminal. End. References: https://pyserial.readthedocs.io/en/latest/pyserial_api.html *****https://www.tutorialspoint.com...
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Confirm deletion in modal / dialog using Twitter Bootstrap?

...works with Bootstrap 3.0.0 The simplest possible example: bootbox.alert("Hello world!"); From the site: The library exposes three methods designed to mimic their native JavaScript equivalents. Their exact method signatures are flexible as each can take various parameters to customise labels...
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When splitting an empty string in Python, why does split() return an empty list while split('\n') re

...account the last line that do not end with \n, even though this means that Hello, World! and Hello, World!\n have the same line count(which for me is reasonable), otherwise you can simply add 1 to the count of \n. share ...
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How to get string objects instead of Unicode from JSON?

...orm return data Example usage: >>> json_loads_byteified('{"Hello": "World"}') {'Hello': 'World'} >>> json_loads_byteified('"I am a top-level string"') 'I am a top-level string' >>> json_loads_byteified('7') 7 >>> json_loads_byteified('["I am inside a list"]...
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Singleton: How should it be used

...t language. Do you often accidentally write std::ostream os; os << "hello world\n"; When you intended to write std::cout << "hello world\n"; Of course not. We don't need protection against this error, because that kind of error just doesn't happen. If it does, the correct response ...
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How to avoid null checking in Java?

...an use in method and parameters, like this: @NotNull public static String helloWorld() { return "Hello World"; } or @Nullable public static String helloWorld() { return "Hello World"; } The second example won't compile (in IntelliJ IDEA). When you use the first helloWorld() function i...