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How do shift operators work in Java? [duplicate]
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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...
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...
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...
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...
【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...
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();
}
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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
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