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Look up all descendants of a class in Ruby
I can easily ascend the class hierarchy in Ruby:
15 Answers
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Coding Practices which enable the compiler/optimizer to make a faster program
...y years ago, C compilers were not particularly smart. As a workaround K&R invented the register keyword, to hint to the compiler, that maybe it would be a good idea to keep this variable in an internal register. They also made the tertiary operator to help generate better code.
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Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
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Is this a bug?
Yes.
Congratulations, you have found a bug in overload resolution. The bug reproduces in C# 4 and 5; it does not reproduce in the "Roslyn" version of the semantic analyzer. I've informed the C# 5 test team, and hopefully we can get this investigated and resolved befor...
How to terminate script execution when debugging in Google Chrome?
When stepping through JavaScript code in Google Chrome debugger, how do I terminate script execution if I do not want to continue? The only way I found is closing the browser window.
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What reason is there to use null instead of undefined in JavaScript?
I've been writing JavaScript for quite a long time now, and I have never had a reason to use null . It seems that undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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iPhone 5 CSS media query
The iPhone 5 has a longer screen and it's not catching my website's mobile view. What are the new responsive design queries for the iPhone 5 and can I combine with existing iPhone queries?
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How to add one day to a date? [duplicate]
...e Calendar class for that:
Date dt = new Date();
Calendar c = Calendar.getInstance();
c.setTime(dt);
c.add(Calendar.DATE, 1);
dt = c.getTime();
Solution 2: You should seriously consider using the Joda-Time library, because of the various shortcomings of the Date class. With Joda-Time you can do...
ReSharper “Cannot resolve symbol” even when project builds
...dio → menu Tools → Options → ReSharper, Suspend button and Resume again (no need to close the window). This works in my case.
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How to get the return value from a thread in python?
The function foo below returns a string 'foo' . How can I get the value 'foo' which is returned from the thread's target?
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Find out which remote branch a local branch is tracking
How can I find out which remote branch a local branch is tracking?
23 Answers
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