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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
How can I get GLIBCXX_3.4.15 in Ubuntu? I can't run some programs that I'm compiling.
19 Answers
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Bare asterisk in function arguments?
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232
Bare * is used to force the caller to use named arguments - so you cannot define a function wit...
What is “(program)” in Chrome debugger’s profiler?
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3 Answers
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
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Mehrdad AfshariMehrdad Afshari
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How do you round a floating point number in Perl?
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13 Answers
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How to override to_json in Rails?
...Longer explanation of to_json, as_json, and rendering:
In ActiveSupport 2.3.3, as_json was added to address issues like the one you have encountered. The creation of the json should be separate from the rendering of the json.
Now, anytime to_json is called on an object, as_json is invoked to creat...
Saving grid.arrange() plot to file
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answered Jun 12 '13 at 21:07
baptistebaptiste
68.6k1313 gold badges173173 silver badges258258 bronze badges
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Make copy of an array
I have an array a which is constantly being updated. Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
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Most efficient way to reverse a numpy array
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edited May 23 '17 at 12:26
Community♦
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answered Jul 21 '11 at 5:25
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How to implement “select all” check box in HTML?
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316
<script language="JavaScript">
function toggle(source) {
checkboxes = document.getElem...
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