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Extract substring in Bash

...o-based) and "5" is the length. Also, +1 for @gontard 's link that lays it all out! – Doktor J Sep 12 '14 at 17:32 ...
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text-overflow:ellipsis in Firefox 4? (and FF5)

... Spudley, you could achieve the same thing by writing a small JavaScript using jQuery: var limit = 50; var ellipsis = "..."; if( $('#limitedWidthTextBox').val().length > limit) { // -4 to include the ellipsis size and also since it is an index var trimmedText = $('#limited...
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Escape double quotes in parameter

... batch file myscript.bat containing just @echo.%1 or even @echo.%~1, I get all quotes: '"test"' Perhaps you can try the escape character ^ like this: myscript '^"test^"'? share | improve this answe...
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foldl versus foldr behavior with infinite lists

...ed. If f always uses its first argument, this means Haskell has to recurse all the way down to the innermost term, then work backwards computing each application of f. This is obviously a far cry from the efficient tail-recursion most functional programmers know and love! In fact, even though fold...
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Building a minimal plugin architecture in Python

... Mine is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitorin...
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What is the boundary in multipart/form-data?

...ust the 'key' to separate the multiple "parts" of a multipart payload. Normally something like '&' is enough to separate the variables but you need something more unique to separate the payloads within the payload. – user2483724 Mar 18 '14 at 18:30 ...
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How do I add a bullet symbol in TextView?

...st to clarify: use setText("\u2022 Bullet"); to add the bullet programmatically. 0x2022 = 8226 share | improve this answer | follow | ...
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General guidelines to avoid memory leaks in C++ [closed]

... programs? How do I figure out who should free memory that has been dynamically allocated? 29 Answers ...
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What are “Groovy” and “Grails” and what kinds of applications are built using them?

... Groovy on Grails? It doesn't exist under this name anymore. It's simply called Grails now. What is Groovy? Originally, a dynamic language for the JVM. However, since Groovy 2.0, both static and dynamic typing are supported. What is Grails? Grails (previously known as "Groovy on Grails") is a pro...
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Common MySQL fields and their appropriate data types

I am setting up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as...