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How does the Java 'for each' loop work?
... is an array rather than an Iterable object, the internal code uses an int index counter and checks against array.length instead. See the Java Language Specification.
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How to jump to a particular line in a huge text file?
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+1: Also, if the file doesn't change, the line number index can be pickled and reused, further amortizing the initial cost of scanning the file.
– S.Lott
Mar 6 '09 at 21:48
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Using Python String Formatting with Lists
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Since I just learned about this cool thing(indexing into lists from within a format string) I'm adding to this old question.
s = '{x[0]} BLAH {x[1]} FOO {x[2]} BAR'
x = ['1', '2', '3']
print (s.format (x=x))
Output:
1 BLAH 2 FOO 3 BAR
However, I still haven't f...
FIND_IN_SET() vs IN()
...CompanyIDs | '}')::INT[])
WHERE orderID = 1
and this would even use an index on companyID.
Unfortunately, this does not work in MySQL since the latter does not support arrays.
You may find this article interesting (see #2):
10 things in MySQL (that won’t work as expected)
Update:
If the...
Setting up two different static directories in node.js Express framework
...${port}` );
console.log(__dirname);
});
// folder structure
/cheatsheet/index.html
/stylesheet/style.css
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Options for HTML scraping? [closed]
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FYI, this is a PHP library
– Tristan Havelick
Apr 18 '10 at 15:19
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ToList()— does it create a new list?
...owed (C# compile-time error). That is because the return value of the list indexer's get accessor is not a variable (it is a returned copy of a struct value), and therefore setting its member .SimpleInt with an assignment expression is not allowed (it would mutate a copy that is not kept). Well, who...
Regular expression to match any character being repeated more than 10 times
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PHP's preg_replace example:
$str = "motttherbb fffaaattther";
$str = preg_replace("/([a-z])\\1/", "", $str);
echo $str;
Here [a-z] hits the character, () then allows it to be used with \\1 backreference which tries to matc...
Grep and Sed Equivalent for XML Command Line Processing
When doing shell scripting, typically data will be in files of single line records like csv. It's really simple to handle this data with grep and sed . But I have to deal with XML often, so I'd really like a way to script access to that XML data via the command line. What are the best tools?
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Oracle find a constraint
...l constraints an explicit name. For instance, if the database creates an index for the primary key (which it will do if that column is not already indexed) it will use the constraint name oo name the index. You don't want a database full of indexes named like SYS_C00935191.
To be honest most p...