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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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...
Git Tag list, display commit sha1 hashes
...08cf8df08571d3 commit refs/tags/1.4.9
e25952a74bf379783944bef9c4fcc60600cb764c commit refs/tags/1.4.8
19b1c2c96a9678837f57eac86cf3d22842731510 commit refs/tags/1.4.7
7208212a55c4a56af34da781a7f730d6ddd557a1 commit refs/tags/1.4.6
62ec20337a4125496bd4f56288f3283963153194 commit refs/tags/1.4.5
Resu...
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
...
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...