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For files in directory, only echo filename (no path)
...o for f in $(...) ... fails if any filename contains whitespace unless you set IFS, may fail if any filename contains a glob char unless you set -f/-o noglob, and depending on system or shell echo may fail if any filename is hyphen+letter or contains backslash. OTOH just ls -1 /path/to/dir all by it...
ls command: how can I get a recursive full-path listing, one line per file?
How can I get ls to spit out a flat list of recursive one-per-line paths?
24 Answers
2...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
I've long been under the impression that goto should never be used if possible. While perusing libavcodec (which is written in C) the other day, I noticed multiple uses of it. Is it ever advantageous to use goto in a language that supports loops and functions? If so, why?
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How do I mock an open used in a with statement (using the Mock framework in Python)?
... currently at voidspace.org.uk/python/mock/magicmock.html which explicitly sets __enter__ and __exit__ to mock objects as well — is the latter approach out of date, or still useful?
– Brandon Rhodes
May 24 '11 at 16:18
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parseInt vs unary plus, when to use which?
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#Please see this answer for a more complete set of cases
Well, here are a few differences I know of:
An empty string "" evaluates to a 0, while parseInt evaluates it to NaN. IMO, a blank string should be a NaN.
+'' === 0; //true
isNaN(parseInt('',1...
Is it possible to Pivot data using LINQ?
... grouping by N-dimensions (n>2) and will work fine for rather small datasets. For large datasets (up to 1 mln of records and more) or for cases when pivot configuration cannot be hardcoded I've written special PivotData library (it is free):
var pvtData = new PivotData(new []{"CustID","OrderDate...
Best way to make Django's login_required the default
...dified from a snippet found elsewhere:
import re
from django.conf import settings
from django.contrib.auth.decorators import login_required
class RequireLoginMiddleware(object):
"""
Middleware component that wraps the login_required decorator around
matching URL patterns. To use, add...
How does Dijkstra's Algorithm and A-Star compare?
...ility function to find the vertex with minimum distance value, from
// the set of vertices not yet included in shortest path tree
int minDistance(int dist[], bool sptSet[])
{
// Initialize min value
int min = INT_MAX, min_index;
for (int v = 0; v < V; v++)
if (sptSet[v] == false &&...
'is' versus try cast with null check
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Because there's only one cast. Compare this:
if (myObj.myProp is MyType) // cast #1
{
var myObjRef = (MyType)myObj.myProp; // needs to be cast a second time
// before using it as a MyType
...
}
to this:
var myObjRef = m...
How do I pass a unique_ptr argument to a constructor or a function?
...'t know very well how to handle unique_ptr parameters in constructors or functions. Consider this class referencing itself:
...