Recent questions tagged Variable

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variable variables - java String to class

I have got a bean class named Bean1. In my main method I have got a string containing the name of the ... class and access the Bean properties? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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variable declaration within the while loop C/C++

according to me following while loop should be infinite but it runs only thrice main() { int i=3; while(i--) ... it runs infinite times..WHY??? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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variable assignment - C++ Copy constructor, temporaries and copy semantics

For this program #include <iostream> using std::cout; struct C { C() { cout << "Default C called! "; ... temporary passed-in as its argument? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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variable assignment - var vs := in Go

In the Go web server example here: http://golang.org/doc/effective_go.html#web_server The following line of code ... different inside a block. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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variable assignment - var vs := in Go

In the Go web server example here: http://golang.org/doc/effective_go.html#web_server The following line of code ... different inside a block. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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422 views

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variable number of variables in C++

Is it possible to make variable number of variables? For instance, say I want to declare some unknown number ... input file the program receives See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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variable assignment - Is a += b more efficient than a = a + b in C?

I know in some languages the following: a += b is more efficient than: a = a + b because it removes the need ... and, therefore also -= *= etc) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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variable not getting update inside if condition in batch script

@echo off SET CONFIGS_QUASAR1=Q1_1 Q1_2 Q1_3 Q1_4 Q1_5 Q1_6 SET CONFIGS_QUASAR2=Q2_1 Q2_2 Q2_3 Q2_4 Q2_5 Q2_6 SET ... Q0B_3 Q0B_4 Q0B_5 Q0B_6 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

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variable variables - what is "$$" in PHP

I saw this code if (is_null($$textVarName)) { $$textVarName = $_defaultTexts[$type]; } what is code "$$" ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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869 views

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variable length - javascript object max size limit

I'm trying to pass a JavaScript variable to the server-side using jquery.ajax method. I'm trying to create a ... there is some limit about that. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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