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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, ...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
...the object into an integer" not a gurantee, but the default implementation from Sun. Things like s = "Hello" and t = "Hello" would probably result in s and t having the same identityHashCode as they really are the same object.
– TofuBeer
Feb 24 '09 at 15:23
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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 ...
GPL and LGPL open source licensing restrictions [closed]
...rest of the application, should anyone want to heavily modify, or re-write from scratch, that DLL.
– thomasrutter
Feb 12 '13 at 0:45
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How to copy files across computers using SSH and MAC OS X Terminal [closed]
... ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
3 Answers
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Regular Expression to match only alphabetic characters
...de letters then use:
/^\p{L}+$/u
Here, \p{L} matches any kind of letter from any language
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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. $_SERVER['HTTP_FOOBAR'] for example is entirely safe to store in a database, but I most certainly wouldn't eval it.
As such, let's divide those values into thre...
Characters allowed in a URL
...
From RFC 1738 specification:
Thus, only alphanumerics, the special characters "$-_.+!*'(),", and
reserved characters used for their reserved purposes may be used
unencoded within a URL.
EDIT: As @Jukka K. Korpela co...
Root user/sudo equivalent in Cygwin?
...question.
Here is the proper way to elevate permissions in Cygwin, copied from my own answer on SuperUser:
I found the answer on the Cygwin mailing list. To run command with elevated privileges in Cygwin, precede the command with cygstart --action=runas like this:
$ cygstart --action=runas comman...