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What is the difference between graph search and tree search?
...g vertices in the order obtained by topological sorting).
As for directed vs undirected, an undirected graph is a special case of a directed one, namely the case that follows the rule “if there is an edge (link, transition) from u to v there is also an edge from v to u.
Update: Note that if what...
Check if a string is null or empty in XSLT
...egoryName.equals(""))
For more details e.g., distinctly identifying null vs. empty, see johnvey's answer below and/or the XSLT 'fiddle' I've adapted from that answer, which includes the option in Michael Kay's comment as well as the sixth possible interpretation.
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Convert a Unicode string to a string in Python (containing extra symbols)
...actly what I needed. Also, great presentation to show the effect of ignore vs replace
– Jonny Brooks
Apr 11 '17 at 12:19
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Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
...sing their command line tool, which calls MSBuild. I'm using Win 7 64-bit, VS2013 express, cocos2d-x version 3.3, .NET Framework 4.5 installed.
I fixed the problem by setting the following before running the cocos.py publish command:
SET VCTargetsPath=C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v...
How to remove item from array by value? [duplicate]
... than -1, there are like millions of options, choose wisely jsperf.com/not-vs-gt-vs-ge/4
– ajax333221
May 29 '12 at 21:19
32
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Difference between StringBuilder and StringBuffer
... }
}
}
A test run gives the numbers of 2241 ms for StringBuffer vs 753 ms for StringBuilder.
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The provided URI scheme 'https' is invalid; expected 'http'. Parameter name: via
...t to the service fine for development with all the standard stuff, letting VS create the classes for me, which then get compiled into the DLL. It's just at runtime I can't upload the config file with all the connection information.
– eidylon
Jan 4 '19 at 21:28
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What is the difference between Factory and Strategy patterns?
...sts:
Real World Example of the Strategy Pattern
Design Patterns: Factory vs Factory method vs Abstract Factory
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How do I import global modules in Node? I get “Error: Cannot find module ”?
.../en/blog/npm/npm-1-0-link/
https://nodejs.org/en/blog/npm/npm-1-0-global-vs-local-installation/
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Check if value exists in Postgres array
...al ways to use it:
SQLAlchemy: how to filter on PgArray column types?
IN vs ANY operator in PostgreSQL
Important difference: Array operators (<@, @>, && et al.) expect array types as operands and support GIN or GiST indices in the standard distribution of PostgreSQL, while the ANY ...