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How to URL encode a string in Ruby
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str = "\x12\x34\x56\x78\x9a\xbc\xde\xf1\x23\x45\x67\x89\xab\xcd\xef\x12\x34\x56\x78\x9a".force_encoding('ASCII-8BIT')
puts CGI.escape str
=> "%124Vx%9A%BC%DE%F1%23Eg%89%AB%CD%EF%124Vx%9A"
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Linq 多字段排序，二次排序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...段排序，二次排序Linq：ordered = source.OrderByDescending( t => t.f1 ).ThenBy( t => t.f2 );类似SQL：select * from t1 order by f1 d...Linq：ordered = source.OrderByDescending( t => t.f1 ).ThenBy( t => t.f2 );
类似SQL：select * from t1 order by f1 desc ,f2 asc
这种写法里 Orde...
How is the fork/join framework better than a thread pool?
... if (n <= 1) {
return n;
}
Fibonacci f1 = new Fibonacci(n - 1);
f1.fork();
Fibonacci f2 = new Fibonacci(n - 2);
return f2.compute() + f1.join();
}
}
The steps that this Task is split into are way too short and thus this will perform ...
How to create a Custom Dialog box in android?
...ndroid:id="@+id/a"
android:gravity="center"
android:background="#DA5F6A"
android:src="@drawable/dialog_cross"
android:scaleType="fitCenter" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TEXTO"
android:id="@+...
What is “rvalue reference for *this”?
...mentioned transformation, the overload-set looks something like this:
void f1(test&); // will only match lvalues, linked to 'void test::f() &'
void f2(test&&); // will only match rvalues, linked to 'void test::f() &&'
Then the argument list, containing an implied object argu...
What is `git diff --patience` for?
...robnitz/fib/fact diff can be seen at gist.github.com/roryokane/6f9061d3a60c1ba41237
– George V. Reilly
Dec 27 '17 at 5:47
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string to string array conversion in java
... answered Aug 5 '10 at 10:00
f1shf1sh
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How to create a memory leak in Java?
...der (to continue the analogy) your iterator-removal technique to be a drip-pan under a leak; the leak still exists regardless of the drip pan.
– corsiKa
Jun 26 '11 at 20:24
95
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Hash function that produces short hashes?
...b.sha1("my message".encode("UTF-8")).hexdigest()
>>> hash
'104ab42f1193c336aa2cf08a2c946d5c6fd0fcdb'
>>> hash[:10]
'104ab42f11'
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When should we use Observer and Observable?
...ermanent address is changed then you need to notify passport authority and pan card authority. So here passport authority and pan card authority are observers and You are a subject.
On Facebook also, If you subscribe to someone then whenever new updates happen then you will be notified.
When to us...