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What is the difference between trie and radix trie data structures?
Are the trie and radix trie data structures the same thing?
3 Answers
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Hidden Features of VB.NET?
I have learned quite a bit browsing through Hidden Features
of C# and was surprised when I couldn't find something
similar for VB.NET.
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Populating a ListView using an ArrayList?
My Android app needs to populate the ListView using the data from an ArrayList .
5 Answers
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What does “1 line adds whitespace errors” mean when applying a patch?
I'm editing some markdown files of a cloned remote repository, and wanted to test creating and applying patches from one branch to another. However, every time I make any change at all, I get the following message during git apply :
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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...ar-PYTHONPATH
What you're looking for is PATH.
export PATH=$PATH:/home/randy/lib/python
However, to run your python script as a program, you also need to set a shebang for Python in the first line. Something like this should work:
#!/usr/bin/env python
And give execution privileges to it:
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ruby on rails f.select options with custom attributes
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This is not possible directly with Rails, and you'll have to create your own helper to create the custom attributes. That said, there are probably two different ways to accomplish what you want:
(1) Using a custom attribute name in HTML5. In HTML5 you are allowed to...
System.Timers.Timer vs System.Threading.Timer
I have been checking out some of the possible timers lately, and System.Threading.Timer and System.Timers.Timer are the ones that look needful to me (since they support thread pooling).
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Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...nly accept CONSTRAINTs to be added, not indexes. The fact that primary key and unique constraints are implemented in terms of an index is a side effect. To manage indexes, you have CREATE/ALTER/DROP INDEX, as you are well aware.
Why do you have a such a requirement as to add non-unique-non-clustere...
how to mysqldump remote db from local machine
... like to use the mysqldump on my machine to connect to the remote database and do the dump on my machine.
4 Answers
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List of standard lengths for database fields
I'm designing a database table and once again asking myself the same stupid question: How long should the firstname field be?
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