In math, certain blackboard (double-barred) letters Z, N, R, etc. represent sets of numbers (integers, natural numbers, rational numbers, etc). These can be included in a LaTeX document using the \mathbb{[letter]} tag from within the math environment. Note that this requires the amssymb package to be included (ie: add \usepackage{amssymb} to the top of the [...]
Posts Tagged ‘syntax’
Math blackboard (double-barred) font in LaTeX
Posted: 28th April 2010 by Tim in LaTeXTags: amssymb, black board, blackboard, code, document, environment, font, forall, LaTeX, layout, math, syntax
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Incorrect referencing in LaTeX documents
Posted: 24th February 2010 by Tim in LaTeXTags: algorithm, document, figure, LaTeX, markup, reference, referencing, syntax, table
If you’ve written up a LaTeX document and find that some of the figures, tables, algorithms, etc. are being referenced wrong (such as Figure 2.4 being referenced as figure 6), chances are you’ve put your caption and \label tags in the wrong order. LaTeX needs \label to be after \caption, or for \label to be [...]
DESCRIBE table in PostgreSQL
Posted: 20th January 2010 by Tim in PostgreSQLTags: describe, detail, MySQL, sql, syntax, table
MySQL has a nice way to get the details of a table structure through the DESCRIBE command. PostgreSQL can also do this for you with \d table_name. For example (sorry about the poor layout): tim=# \d test_table Table “public.test_table” Column | Type | Modifiers ———+—————————–+——————- test_id | integer | not null default nextval(‘test_table_test_id_seq’::regclass) name | [...]
Highlighting Doxygen tags in Vim
Posted: 30th December 2009 by Tim in Software Development, Ubuntu, VimTags: configuration, doxygen, syntax, syntax highlighting, vim
Doxygen highlighting is set up by default on most Vim installations, but for some reason it’s disabled. There are two options for enabling it. First, it can be enabled globally. This means adding the parameters to the global Vim configuration. Note that you may need to be root for this to work (ie: sudo echo [...]