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Performance of foreach, array_map with lambda and array_map with static function
...xdebug adds quite a lot of overhead, esp to function calls.
This is FGM's script run using 5.6
With xdebug
ForEach : 0.79232501983643
MapClosure: 4.1082420349121
MapNamed : 1.7884571552277
Without xdebug
ForEach : 0.69830799102783
MapClosure: 0.78584599494934
MapNamed : 0.85125398635864
...
Refreshing web page by WebDriver when waiting for specific condition
...
In Java or JavaScript:
driver.navigate().refresh();
This should refresh page.
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fo...
How to filter files when using scp to copy dir recursively?
...
Since you can scp you should be ok to ssh,
either script the following or login and execute...
# After reaching the server of interest
cd /usr/some/unknown/number/of/sub/folders
tar cfj pack.tar.bz2 $(find . -type f -name *.class)
return back (logout) to local server and ...
Opening port 80 EC2 Amazon web services [closed]
...: any internet accessible box is liable to be portscanned by blackhats and script kiddies, even if naked to the internet for only a short time. "Reverting back", then continuing to use the potentially compromised server is a no-no for production use. Instead, burn the instance in the fires of hell a...
How to remove non-alphanumeric characters?
...of:
\p{L}: a letter from any language.
\p{N}: a numeric character in any script.
: a space character.
+ greedily matches the character class between 1 and unlimited times.
This will preserve letters and numbers from other languages and scripts as well as A-Z:
preg_replace('/[^\p{L}\p{N} ]+/', ...
How to convert/parse from String to char in java?
...ngIndexOutOfBoundsException: String index out of range: 5
Here is a full script:
import java.util.Scanner;
class demo {
String accNo,name,fatherName,motherName;
int age;
static double rate=0.25;
static double balance=1000;
Scanner scanString=new Scanner(System.in);
Scanne...
OSX - How to auto Close Terminal window after the “exit” command executed.
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You could use AppleScript through the osascript command:
osascript -e 'tell application "Terminal" to quit'
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Accessing MP3 metadata with Python [closed]
... it can handle other formats, such as mp4, FLAC etc. I've written several scripts with a lot of success using this API.
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Python equivalent of D3.js
...You could use d3py a python module that generate xml pages embedding d3.js script. For example :
import d3py
import networkx as nx
import logging
logging.basicConfig(level=logging.DEBUG)
G = nx.Graph()
G.add_edge(1,2)
G.add_edge(1,3)
G.add_edge(3,2)
G.add_edge(3,4)
G.add_edge(4,2)
# use 'with' i...
How to clear the interpreter console?
...e's my take on the code to put in (or add to your existing) Python startup script:
# ==== pythonstartup.py ====
# add something to clear the screen
class cls(object):
def __repr__(self):
import os
os.system('cls' if os.name == 'nt' else 'clear')
return ''
cls = cls()
...