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One-liner to recursively list directories in Ruby?
What is the fastest, most optimized, one-liner way to get an array of the directories (excluding files) in Ruby?
9 Answer...
Get name of caller function in PHP?
... Many solutions seen on the web get the second element of the backtrace array to get the instance caller: can we be so sure about it? Is the second element always the one we are searching for? I thought a __construct() which includes inside another call such as parent::__construct() could shift o...
Python - List of unique dictionaries
... only):
import numpy as np
list_of_unique_dicts=list(np.unique(np.array(list_of_dicts)))
To get it worked with Python 3.x (and recent versions of numpy), you need to convert array of dicts to numpy array of strings, e.g.
list_of_unique_dicts=list(np.unique(np.array(list_of_dicts).asty...
Google maps API V3 - multiple markers on exact same spot
...more than 1 point shares the same lat/long
// the size of the cluster array will be 1 AND
// the number of markers in the cluster will be > 1
// REMEMBER: maxZoom was already reached and we can't zoom in anymore
if (cluster.length == 1 && cluster[0].markers_.length >...
Why does parseInt yield NaN with Array#map?
...
The callback function in Array.map has three parameters:
From the same Mozilla page that you linked to:
callback is invoked with three arguments: the value of the element, the index of the element, and the Array object being traversed."
So if ...
const char* concatenation
...ing one.
will not work. Instead you should have a separate variable(char array) to hold the result. Something like this:
char result[100]; // array to hold the result.
strcpy(result,one); // copy string one into the result.
strcat(result,two); // append string two to the result.
...
How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
... This tells the server you only want changes after this time stamp.
A JSON array containing all items with sync_status=1.
The server gets the request and does this:
It takes the contents from the JSON array and modifies or adds the records it contains. The last_modified field is automatically u...
Error handling in Bash
... -n "${lines[1]}"
then
array=( ${lines[1]} )
for (( i=2; i<${#array[@]}; i++ ))
do
error_file="$error_file ${array[$i]}"
...
When do we need curly braces around shell variables?
... foobar.
Curly braces are also unconditionally required when:
expanding array elements, as in ${array[42]}
using parameter expansion operations, as in ${filename%.*} (remove extension)
expanding positional parameters beyond 9: "$8 $9 ${10} ${11}"
Doing this everywhere, instead of just in potent...
Can we convert a byte array into an InputStream in Java?
Can we convert a byte array into an InputStream in Java? I have been looking on the internet but couldn't find it.
2 Answer...