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Why are unnamed namespaces used and what are their benefits?
...e takes around 70% of the run time if the anonymous namespace is used (x86-64 gcc-4.6.3 and -O2; note that the extra code in add_val makes the compiler not want to include it twice).
#include <iostream>
namespace {
double a;
void b(double x)
{
a -= x;
}
void add_val(double x)
...
Nginx not picking up site in sites-enabled?
...
ditto, fixed it on ubuntu/trusty64 image
– Bryan A
Jan 17 '19 at 18:46
2
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Using HTML5/JavaScript to generate and save a file
...e etc., but e.g. Firefox 3.6.12 works until at least 256k. Encoding in Base64 instead using encodeURIComponent might make things more efficient, but for me that was ok.
3) open a new window and "redirect" it to this URI prompts for a download location of my JavaScript generated page:
newWindow = w...
RGB to hex and hex to RGB
...
Tim DownTim Down
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How to make a flat list out of list of lists?
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64
@TimDierks: I'm not sure "this requires you to understand Python syntax" is an argument against using a given technique in Python. Sure, co...
Find row where values for column is maximal in a pandas DataFrame
....140767 0.394940 1.068890
2 0.742023 1.343977 -0.579745
3 2.125299 -0.649328 -0.211692
4 -0.187253 1.908618 -1.862934
>>> df['A'].argmax()
3
>>> df['B'].argmax()
4
>>> df['C'].argmax()
1
Alternatively you could also use numpy.argmax, such as numpy.argmax(df['A']) ...
How to get IP address of the device from code?
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64
I used following code:
The reason I used hashCode was because I was getting some garbage values...
Installing Java 7 on Ubuntu
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flupflup
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Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
...rence Assemblies\Microsoft\Framework\.NETFramework\v4.0" folder in case of 64 bit windows versions, in that case check if you have a "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0" folder.
– Maarten Docter
May 29 '13 at 10:1...
When to use margin vs padding in CSS [closed]
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64
yet, the correct answer is by @pavon below. margins of adjacent elements overlap whereas padding does not overlap. i. e., the total separat...