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What is the difference between LL and LR parsing?
... and accept a much smaller set of grammars than LR parsers do. LR parsers come in many flavors (LR(0), SLR(1), LALR(1), LR(1), IELR(1), GLR(0), etc.) and are far more powerful. They also tend to have much more complex and are almost always generated by tools like yacc or bison. LL parsers also co...
How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...ised. If you need refreshing on how namespaces work, have a look at jclark.com/xml/xmlns.htm
– JeniT
Sep 26 '08 at 8:25
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Store pictures as files or in the database for a web app?
... Server 2008. There was a new type introduced FILESTREAM technet.microsoft.com/en-us/library/bb895234.aspx which allowes to take advantage of "performance of the file system and at the same time maintain transactional consistency between the unstructured data and corresponding structured data"
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Selectors in Objective-C?
...t, you have to add the extra argument names along with their colons, as in compare:options:range:locale:.
You can also look at the documentation and note the presence or absence of a trailing colon.
share
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In Bash, how to add “Are you sure [Y/n]” to any command or alias?
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These are more compact and versatile forms of Hamish's answer. They handle any mixture of upper and lower case letters:
read -r -p "Are you sure? [y/N] " response
case "$response" in
[yY][eE][sS]|[yY])
do_something
;;
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Git and Mercurial - Compare and Contrast
...doesn't allow octopus merges (with more than two parents), nor tagging non-commit objects.
Tags: Mercurial uses versioned .hgtags file with special rules for per-repository tags, and has also support for local tags in .hg/localtags; in Git tags are refs residing in refs/tags/ namespace, and by defau...
Leaflet - How to find existing markers, and delete markers?
...ave started using leaflet as an open source map, http://leaflet.cloudmade.com/
9 Answers
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How do you debug PHP scripts? [closed]
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community wiki
4 revs, 4 users 50%John Downey
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How can I plot with 2 different y-axes?
...to mislead the viewer of the graphic. Check the following two examples and comments on this issue (example1, example2 from Junk Charts), as well as this article by Stephen Few (which concludes “I certainly cannot conclude, once and for all, that graphs with dual-scaled axes are never useful; only ...
How to run a C# console application with the console hidden
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It did not work for invoking a command line tool. Used yourprocess.StartInfo.CreateNoWindow=true; instead, see below.
– Christian
Apr 20 '14 at 23:05
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