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Why is printing to stdout so slow? Can it be sped up?
...s to disk. I gave up waiting for 100,000 lines to write, but extrapolating from the previous, it would take over an hour.
That puts the terminal's 11 seconds into perspective, doesn't it?
So to answer your original question, writing to a terminal is actually blazingly fast, all things considered, ...
Find merge commit which include a specific commit
...erl -ne 'print if ($seen{$_} .= @ARGV) =~ /10$/' file1 file2
(perl code from http://www.cyberciti.biz/faq/command-to-display-lines-common-in-files/ , which took it from "someone at comp.unix.shell news group").
See process substitution if you want to make it a one-liner.
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What's the best way to refactor a method that has too many (6+) parameters?
...e things apply to other languages, too.
You have several options:
switch from constructor to property setters. This can make code more readable, because it's obvious to the reader which value corresponds to which parameters. Object Initializer syntax makes this look nice. It's also simple to im...
Hexadecimal To Decimal in Shell Script
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To convert from hex to decimal, there are many ways to do it in the shell or with an external program:
With bash:
$ echo $((16#FF))
255
with bc:
$ echo "ibase=16; FF" | bc
255
with perl:
$ perl -le 'print hex("FF");'
255
with ...
Javascript communication between browser tabs/windows [duplicate]
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Tomáš Zato, be aware the answer is from 2010 - when HTML5 was not supported by all the browsers and the share of IE6 and IE7 was pretty high. There are better solutions now.
– Roman Goyenko
Feb 7 '17 at 15:42
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C# declare empty string array
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@newStackExchangeInstance, just copied code "as is" from the question. Both lines compile fine, although I agree that following one style is better.
– Andrei
May 30 '13 at 10:59
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Which $_SERVER variables are safe?
...ues that the user controls and you need to be aware of where a value comes from and hence whether it can be trusted for a certain purpose. $_SERVER['HTTP_FOOBAR'] for example is entirely safe to store in a database, but I most certainly wouldn't eval it.
As such, let's divide those values into thre...
Python Regex instantly replace groups
.... Groups are counted the same as by the group(...) function, i.e. starting from 1, from left to right, by opening parentheses.
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Best way to allow plugins for a PHP application
...se extends inheritance because you may already be inheriting in your class from some other class. Wouldn't it be great to have a generic way to make any class pluggable without much effort? Here's how:
<?php
////////////////////
// PART 1
////////////////////
class Plugin {
private $_RefO...
Manifest merger failed : uses-sdk:minSdkVersion 14
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What about a library compiled from Maven ? How to exclude the "old" dependancy ?
– Arnaud
Jun 26 '14 at 19:41
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