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Converting A String To Hexadecimal In Java
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This method is actually the correct one. Try byte[] data = { -1, 1 }; -- code in this answer works fine, whereas that with 17 upvotes fails.
– hudolejev
Mar 1 '12 at 23:36
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fastest (low latency) method for Inter Process Communication between Java and C/C++
...leep(0) (which as strace shows causes a single sched_yield() Linux kernel call to be executed) takes 0.3 microsecond - so named pipes scheduled to single core still have much overhead
Some shared memory measurement:
September 14, 2009 – Solace Systems announced today that its Unified Messaging...
Printing the correct number of decimal points with cout
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@blackforest-tom -- Maybe you are right, can't recall --- I generally copy-paste working programs, so this might have run as-is in Visual Studio or somewhere else.
– Manohar Reddy Poreddy
Oct 9 '19 at 15:21
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Advantages of stateless programming?
I've recently been learning about functional programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? ...
scale Image in an UIButton to AspectFit?
...on, and also want to scale my image to fit with the UIButton (make image smaller). Please show me how to do it.
16 Answers
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Ruby get object keys as array
...Hash:
http://ruby-doc.org/core-1.9.3/Hash.html#method-i-keys
You'll find all the different methods available for each class.
If you don't know what you're dealing with:
puts my_unknown_variable.class.to_s
This will output the class name.
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How does UTF-8 “variable-width encoding” work?
... standard has enough code-points in it that you need 4 bytes to store them all. That's what the UTF-32 encoding does. Yet the UTF-8 encoding somehow squeezes these into much smaller spaces by using something called "variable-width encoding".
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Using port number in Windows host file
After installing TeamViewer, I have changed the wampserver port to 8080, so the address is http://localhost:8080.
10 Answe...
Turn Pandas Multi-Index into column
...he parameter is drop=False (which will keep the index values as columns).
All you have to do add .reset_index(inplace=True) after the name of the DataFrame:
df.reset_index(inplace=True)
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Why does jQuery or a DOM method such as getElementById not find the element?
...ts from top to bottom. Elements are added to the DOM and scripts are (generally) executed as they're encountered. This means that order matters. Typically, scripts can't find elements which appear later in the markup because those elements have yet to be added to the DOM.
Consider the following mar...