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How to pass arguments and redirect stdin from a file to program run in gdb?
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Pass the arguments to the run command from within gdb.
$ gdb ./a.out
(gdb) r < t
Starting program: /dir/a.out < t
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Converting an array of objects to ActiveRecord::Relation
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162
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What's the fastest way to convert String to Number in JavaScript?
...By this quick test I made, it actually depends on browsers.
http://jsperf.com/best-of-string-to-number-conversion/2
Implicit marked the fastest on 3 browsers, but it makes the code hard to read… So choose whatever you feel like it!
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$on and $broadcast in angular
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Are there any recommended practices for storing these strings somewhere rather than hardcoding the broadcast message?
– rperryng
Sep 13 '14 at 5:52
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Multiple aggregations of the same column using pandas GroupBy.agg()
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108
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What are 'get' and 'set' in Swift?
...ght before you get the variable.
In Swift, we can have properties that are computed when gotten and can do something when set. We could do this in Objective-C too:
// .h
@property (nonatomic) double perimeter;
//.m
- (double)perimeter
{
return self.sideLength * 3.0;
}
- (void)setPerimeter:(do...
JavaScript function in href vs. onclick
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995
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What does Expression.Quote() do that Expression.Constant() can’t already do?
...suppose we wish to represent this as an expression tree that will later be compiled and executed. What should the body of the expression tree be? It depends on whether you want the compiled state to return a delegate or an expression tree.
Let's begin by dismissing the uninteresting case. If we wis...
What is the difference between visibility:hidden and display:none?
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No comment about performance of one and another? I'm curious which method to use to hide absolutely positioned elements, that get displayed and hidden often.
– Tomáš Zato - Reinstate Monica
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Can you use a trailing comma in a JSON object?
...y generating a JSON object or array, it's often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode):
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