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Difference between path.normalize and path.resolve in Node.js
...nother ressource, which can be used inside HTML to reference a file chosen by the user for example. As the normalized path is always simple (no extra ../) it can be easily checked to ensure the user only choses files from certain locations and has no chance viewing private files outside this locatio...
Difference between fmt.Println() and println() in Go
... that print and println report to stderr, not stdout.
The family provided by fmt, however, are built to be in production code. They report predictably to stdout, unless otherwise specified. They are more versatile (fmt.Fprint* can report to any io.Writer, such as os.Stdout, os.Stderr, or even a net...
'str' object does not support item assignment in Python
...y ways:
# Copy the string
foo = 'Hello'
bar = foo
# Create a new string by joining all characters of the old string
new_string = ''.join(c for c in oldstring)
# Slice and copy
new_string = oldstring[:]
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Difference between Array and List in scala
...er conversion is required.
A scala Array should be implemented on the JVM by a Java array, and hence an Array[Int] may be much more performant (as an int[]) than a List[Int] (which will box its contents, unless you are using the very latest versions of Scala which have the new @specialized feature)...
How do I change tab size in Vim?
...l cause Vim to actually insert spaces (the number of them being controlled by tabstop) when you press tab; you might want to use softtabstop to make backspace work properly (that is, reduce indentation when that's what would happen should tabs be used, rather than always delete one char at a time).
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Right query to get the current number of connections in a PostgreSQL DB
... count(*) from pg_stat_activity where pid <> pg_backend_pid() group by 1 order by 1;
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Use a LIKE statement on SQL Server XML Datatype
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Beat me to it by 5 seconds. Another possibility is to consider using free text search, if your data is amenable...
– RickNZ
Dec 2 '09 at 13:51
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Disable XML validation in Eclipse
...shows how to exclude certain folders (or files) for XML validation.
Begin by right clicking the root of your Eclipse project. Select the last item: Properties...
(If your browser scales this image very small, right click and open in a new window or tab.)
Eclipse appears to be very sensitive i...
What is the recommended batch size for SqlBulkCopy?
...6M qualified rows, averaging 5 columns of decimal and short text, about 30 bytes per row.
Given this scenario, I found a batch size of 5,000 to be the best compromise of speed and memory consumption. I started with 500 and experimented with larger. I found 5000 to be 2.5x faster, on average, than ...
Resync git repo with new .gitignore file
...iles will remain in your repository and will have to be removed explicitly by enclosing their path with double quotes:
git rm --cached "<path.to.remaining.file>"
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