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How do shift operators work in Java? [duplicate]

... System.out.println(Integer.toBinaryString(2 << 11)); Shifts binary 2(10) by 11 times to the left. Hence: 1000000000000 System.out.println(Integer.toBinaryString(2 << 22)); Shifts binary 2(10) by 22 times to the left. Hence : 1000000000000000...
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How to get the number of Characters in a String?

How can I get the number of characters of a string in Go? 7 Answers 7 ...
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How to convert std::string to NSString?

Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck. 6 Answers ...
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Testing two JSON objects for equality ignoring child order in Java

...return false; } if (_children != null) { for (Map.Entry<String, JsonNode> en : _children.entrySet()) { String key = en.getKey(); JsonNode value = en.getValue(); JsonNode otherValue = other.get(key); if (otherValue == null || !ot...
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How to avoid warning when introducing NAs by coercion

...roblematic characters to NA first. For your particular problem, taRifx::destring does just that. This way if you get some other, unexpected warning out of your function, it won't be suppressed. > library(taRifx) > x <- as.numeric(c("1", "2", "X")) Warning message: NAs introduced by coerc...
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C: Run a System Command and Get Output? [duplicate]

... parameter - command would be fine. What they don't do is take the entire string and pass it to a shell interpreter thereby allowing you to perform shell-style redirections, etc. It is therefore impossible to use exec in the manner described to achieve the OP's goal. – Alnita...
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【解决】模拟器启动失败:ERROR: x86_64 emulation currently requires har...

...,路径: ....\resources\app.asar.unpacked\Emulator\from-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager 在线版下载后的目录是:Emulator\from-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager 安装:haxm-7.6.5-setup.exe 如果报错,请参考...
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Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)

...onstructor tells me: "Don't worry about this dependency I only created an extra constructor for testing or a one-off case". The factory method tells me "There is a dependency to be aware of, but here's the most likely implementation you're looking for" – Steve Jackson ...
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What’s the best way to check if a file exists in C++? (cross platform)

...on in the stream: #include <fstream> bool checkExistence(const char* filename) { ifstream Infield(filename); return Infield.good(); } share | improve this answer | ...
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How do you programmatically set an attribute?

Suppose I have a python object x and a string s , how do I set the attribute s on x ? So: 4 Answers ...