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Executing multi-line statements in the one-line command-line?
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The issue is not actually with the import statement, it's with anything being before the for loop. Or more specifically, anything appearing before an inlined block.
For example, these all work:
python -c "import sys; print 'rob'"
python -c "imp...
“PKIX path building failed” and “unable to find valid certification path to requested target”
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Note that instructions should be repeated for all certificates in the chain. Also certificate's alias name in command line should be unique.
– Lu55
Sep 12 '17 at 18:50
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Revert a range of commits in git
...th the reverted changes. The revert only modifies the working tree and the index.
Don't forgot to commit the changes after
git commit -m "revert commit range B to D"
You can also revert multiple unrelated commits in a single commit, using same method. for example to revert B and D but not C
g...
Mock functions in Go
I'm puzzled with dependencies. I want to be able to replace some function calls with mock ones. Here's a snippet of my code:
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Calculate distance between 2 GPS coordinates
...y solution:
#include <math.h>
#include "haversine.h"
#define d2r (M_PI / 180.0)
//calculate haversine distance for linear distance
double haversine_km(double lat1, double long1, double lat2, double long2)
{
double dlong = (long2 - long1) * d2r;
double dlat = (lat2 - lat1) * d2r;
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How does data binding work in AngularJS?
...nd bind-once databinding to help with this problem. Furthermore it now has indexes for your repeater source, which lets you modify the list without rebuilding the dom for the entire content.
– Gaute Løken
Mar 3 '14 at 11:34
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How to copy an object in Objective-C
...deep, logical copy. In this, we make a copy of the object, but without actually doing it bit by bit - we want an object that behaves the same for all intents and purposes, but isn't (necessarily) a memory-identical clone of the original - the Objective C manual calls such an object "functionally ind...
Does “\d” in regex mean a digit?
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@FarazAhmad, probably not, you have to specify all characters separately
– Kirill Polishchuk
Dec 28 '17 at 23:26
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Nested defaultdict of defaultdict
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For an arbitrary number of levels:
def rec_dd():
return defaultdict(rec_dd)
>>> x = rec_dd()
>>> x['a']['b']['c']['d']
defaultdict(<function rec_dd at 0x7f0dcef81500>, {})
>>> print json.dumps(x)
{"a": {"b": {"c": {"d": {}}}}}
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Custom exception type
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This will not allow you stack traces unless you inherit from Error
– Luke H
Jul 30 '14 at 19:53
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