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Why does Dijkstra's algorithm use decrease-key?
...the runtime? That depends on what priority queue you use. Here's a quick table that shows off different priority queues and the overall runtimes of the different Dijkstra's algorithm implementations:
Queue | T_e | T_d | T_k | w/o Dec-Key | w/Dec-Key
---------------+--------+--...
Exotic architectures the standards committees care about
...rfaced:
Unisys C Compiler Programming Reference Manual
Section 4.5 has a table of data types with 9, 18, 36, and 72 bits.
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When to wrap quotes around a shell variable?
...ull
file:I can't get this @&$*!! quoting right.
Double quotes are suitable when variable interpolation is required. With suitable adaptations, it is also a good workaround when you need single quotes in the string. (There is no straightforward way to escape a single quote between single quot...
django unit tests without a db
... database tool. Then run the following command to create the corresponding tables:
./manage.py syncdb --settings=mysite.no_db_settings
If you're using South, also run the following command:
./manage.py migrate --settings=mysite.no_db_settings
OK!
You can now run unit tests blazingly fast (and...
Why JSF saves the state of UI components on server?
...t of codes and projects which unnecessarily duplicates the entire database table into Java's memory in flavor of a session scoped bean where Java is been used instead of SQL to filter/group/arrange the records. With ~1000 records, that would easily go over 10MB per user session.
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How to have no pagebreak after \include in LaTeX
...ent. The others will not show up, but are considered for counters, labels, tables of contents when the corresponding aux files are included.
In other words, by using include and includeonly one can keep the compile time short in a draft while having correct references.
Further reading on Wikibooks....
How to repeat a “block” in a django template
...his in more complex scenarios where I wanted to repeat the footer row of a table a the top. And the <tr> row was rather complex.
– caram
Dec 6 '19 at 11:36
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How does Apple know you are using private API?
...y's trying to import (info no doubt easily available to them in the symbol table thereof) and ding you if any of those symbols are found in their "private API list". Pretty easy to automate, in fact.
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MSSQL Error 'The underlying provider failed on Open'
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How is this done when using Linq to access the tables (using EF4)?
– Brett Rigby
Jul 30 '10 at 15:15
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What characters are forbidden in Windows and Linux directory names?
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Let's keep it simple and answer the question, first.
The forbidden printable ASCII characters are:
Linux/Unix:
/ (forward slash)
Windows:
< (less than)
> (greater than)
: (colon - sometimes works, but is actually NTFS Alternate Data Streams)
" (double quote)
/ (forward slash)
\ (backs...