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How can I replace a newline (\n) using sed?

...ated label $!ba ($! means not to do it on the last line as there should be one final newline). Finally the substitution replaces every newline with a space on the pattern space (which is the whole file). Here is cross-platform compatible syntax which works with BSD and OS X's sed (as per @Benjie c...
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How can one see the structure of a table in SQLite? [duplicate]

... one common mistake here is confusing these utility functions with sql statements.. the former doesn't require a ; at the end of the command where as the latter does. – abbood Jun 26 '13 ...
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How do I skip an iteration of a `foreach` loop?

... I would do if I had nested for loops, and wanted to skip the iteration of one of the extended ones? for (int[] numbers in numberarrays) { for (int number in numbers) { // What to do if I want to // jump the (numbers/numberarrays)? } } A continue always applies ...
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Difference between Python's Generators and Iterators

..., but not vice versa. A generator is built by calling a function that has one or more yield expressions (yield statements, in Python 2.5 and earlier), and is an object that meets the previous paragraph's definition of an iterator. You may want to use a custom iterator, rather than a generator, when...
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Regular expression for letters, numbers and - _

...int "$s is NO match!!!\n"; }; } ?> The above prints (as seen on ideone.com): screen123.css is a match screen-new-file.css is a match screen_new.js is a match screen new file.css is NO match!!! Note that the pattern is slightly different, using \w instead. This is the character class for "...
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How can we make xkcd style graphs?

...anks for the great package. I am having trouble with installing the fonts! One correction in the intro file, (sec-2.1, line 5, .tff -> .ttf). Another one still pending!! – Shambho Apr 22 '14 at 23:45 ...
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PostgreSQL Crosstab Query

Does any one know how to create crosstab queries in PostgreSQL? For example I have the following table: 6 Answers ...
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How to get last inserted id?

...005+, if there is no insert trigger, then change the insert statement (all one line, split for clarity here) to this INSERT INTO aspnet_GameProfiles(UserId,GameId) OUTPUT INSERTED.ID VALUES(@UserId, @GameId) For SQL Server 2000, or if there is an insert trigger: INSERT INTO aspnet_GameProfiles(...
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What are good examples of genetic algorithms/genetic programming solutions? [closed]

...result. I added the caveat that each gene started with a fixed amount of money and could thus potentially go broke and be removed from the gene pool entirely. After each evaluation of a population, the survivors were cross-bred randomly (by just mixing bits from two parents), with the likelihood o...
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How to get rid of blank pages in PDF exported from SSRS

...king 4 pages due to its width, where the 2nd and 4th pages were displaying one of my fields from the table. I tried to set the layout size in report properties as width=18in and height =8.5in. ...