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How do I remove the file suffix and path portion from a path string in Bash?
....*}
$ echo $y
/foo/fizzbuzz.bar
$ y=${x%%.*}
$ echo $y
/foo/fizzbuzz
Docum>me m>ntation can be found in the Bash manual. Look for ${param>me m>ter%word} and ${param>me m>ter%%word} trailing portion matching section.
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How can I display a JavaScript object?
...le.log('My object : ' + obj)
Note ': You can also use a comma in the log m>me m>thod, then the first line of the output will be the string and after that the object will be rendered:
console.log('My object: ', obj);
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Sort NSArray of date strings or objects
...NSMutableArray sortUsingSelector:] and pass @selector(compare:) as the param>me m>ter. The -[NSDate compare:] m>me m>thod will order dates in ascending order for you. This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison function. (NSDate objects know how to comp...
How to get current page URL in MVC 3
I am using the Facebook comm>me m>nts plugin on a blog I am building. It has som>me m> FBXML tags that are interpreted by the facebook javascript that is referenced on the page.
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How to empty a list?
...t1
del lst1[:]
print(lst2)
For the sake of completeness, the slice assignm>me m>nt has the sam>me m> effect:
lst[:] = []
It can also be used to shrink a part of the list while replacing a part at the sam>me m> tim>me m> (but that is out of the scope of the question).
Note that doing lst = [] does not empty the li...
Good tutorial for using HTML5 History API (Pushstate?) [closed]
...pulating_the_browser_history
Unfortunately, the HTML5 History API is implem>me m>nted differently in all the HTML5 browsers (making it inconsistent and buggy) and has no fallback for HTML4 browsers. Fortunately, History.js provides cross-compatibility for the HTML5 browsers (ensuring all the HTML5 brows...
pull out p-values and r-squared from a linear regression
...uared value directly from the summary object summary(fit)$r.squared. See nam>me m>s(summary(fit)) for a list of all the items you can extract directly.
Model p-value: If you want to obtain the p-value of the overall regression model,
this blog post outlines a function to return the p-value:
lmp <- ...
How to write a foreach in SQL Server?
I am trying to achieve som>me m>thing along the lines of a for-each, where I would like to take the Ids of a returned select statem>me m>nt and use each of them.
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How do I get the first n characters of a string without checking the size or going out of bounds?
...trick, he/she has to think harder to understand the code. IMO, the code's m>me m>aning is more obvious in the if / else version. For a cleaner / more readable solution, see @paxdiablo's answer.
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How to check Oracle database for long running queries
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This one shows SQL that is currently "ACTIVE":-
select S.USERNAm>ME m>, s.sid, s.osuser, t.sql_id, sql_text
from v$sqltext_with_newlines t,V$SESSION s
where t.address =s.sql_address
and t.hash_value = s.sql_hash_value
and s.status = 'ACTIVE'
and s.usernam>me m> <> 'SYSTEM'
order by s.sid,t.p...