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Modulo operation with negative numbers
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Should the compiler be smart enough and detect that an unsigned modulo another unsigned is always positive? Currently (well, GCC 5.2) the compiler seems to think that "%" returns an "int" in this case, rather than "unsigned" even when both operands are uint32_...
Saving interactive Matplotlib figures
Is there a way to save a Matplotlib figure such that it can be re-opened and have typical interaction restored? (Like the .fig format in MATLAB?)
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
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I'm trying to understand this system. So here is a question: What if a new release has a feature and a bug fix, what should I increment?
– iTurki
Jul 16 '13 at 19:36
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Make $JAVA_HOME easily changable in Ubuntu [closed]
In Ubuntu, I'd like to switch my JAVA_HOME environment variable back and forth between Java 5 and 6.
8 Answers
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How many system resources will be held for keeping 1,000,000 websocket open? [closed]
Websocket is good, but would it be able to handle 1,000,000 concurrent connections?
How many system resources will be held for keeping 1,000,000 websocket open?
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Installing Ruby Gem in Windows
...ckage management system of your
distribution or third-party tools (rbenv and RVM).
On OS X machines, you can use third-party tools (rbenv and RVM).
On Windows machines, you can use RubyInstaller.
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What is the difference between currying and partial application?
...rn value is a closure of lambda(z){z(x(y))} with passed-in the values of x and y to f(x,y).
One way to use partial application is to define functions as partial applications of generalized functions, like fold:
function fold(combineFunction, accumulator, list) {/* ... */}
function sum = curry...
Why not use java.util.logging?
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Disclaimer: I am the founder of log4j, SLF4J and logback projects.
There are objective reasons for preferring SLF4J. For one, SLF4J allows the end-user the liberty to choose the underlying logging framework. In addition, savvier users tend to prefer logback which offe...
The Concept of 'Hold space' and 'Pattern space' in sed
I'm confused by the two concepts in sed: hold space and pattern space. Can someone help explain them?
3 Answers
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What is the difference between a cer, pvk, and pfx file?
What is the difference between a cer, pvk, and pfx file? Also, which files do I keep and which am I expected to give to my counter-parties?
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