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What are the uses for Cross Join?
...wer the question, but, if it's true (and I'm not even sure of that) it's a fun bit of history.
In the early days of Oracle, one of the developers realized that he needed to duplicate every row in a table (for example, it's possible it was a table of events and he needed to change it separate "start...
Split output of command by columns using Bash?
..." "
Now, for this particular case of pid numbers (not names), there is a function called pgrep:
$ pgrep ssh
Shell functions
However, in general it is actually still possible to use shell functions in a concise manner, because there is a neat thing about the read command:
$ <command> | w...
Should I use px or rem value units in my CSS? [closed]
I am designing a new website and I want it to be compatible with as much browsers and browser settings as possible. I am trying to decide what unit of measurement I should use for the sizes of my fonts and elements, but am unable to find a conclusive answer.
...
Effective method to hide email from spam bots
...t">
gen_mail_to_link('john.doe','example.com','Feedback about your site...');
</script>
<noscript>
<em>Email address protected by JavaScript. Activate JavaScript to see the email.</em>
</noscript>
Because I have been getting email via Gmail since 2005, spam ...
How to use Google App Engine with my own naked domain (not subdomain)?
...s doesn't respond. Right now wehearttoronto.com is directing to the google sites...
– TimLeung
May 15 '09 at 21:39
1
...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...
Functions are in English, but that error is in Hebrew. I'm not sure if any other errors are in Hebrew though.
– alex
Mar 1 '09 at 0:11
...
Test if something is not undefined in JavaScript
...defined", instead of a useful message about an "un-caught exception @ line 123 of file xyz.js". Eventually a second developer will probably comment out the console.log() statement, making it more difficult for a 3rd developer to come in and fix a bug happening deep within doSomething().
...
站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...
...是非常不利的。
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Open URL under cursor in Vim with browser
...to anything you want.
Original answer:
Don't remember where I get this function. There is a bug with hash (#) in the url, but the function works well enough that I won't bother fixing it.
function! HandleURL()
let s:uri = matchstr(getline("."), '[a-z]*:\/\/[^ >,;]*')
echo s:uri
if s:ur...
What does .SD stand for in data.table in R
...ed as a list where each element is a column -- thus, sapply/lapply applies FUN to each column and returns the result as sapply/lapply usually would (here, FUN == is.character returns a logical of length 1, so sapply returns a vector).
The syntax to convert these columns to factor is very similar --...