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What is the purpose of `text=auto` in `.gitattributes` file?
...he core.autocrlf configuration variable to determine if the file should be converted.
What does core.autocrlf do? From the docs:
core.autocrlf
Setting this variable to "true" is almost the same as setting the text attribute to "auto" on all files except that text files are not guarantee...
How to get UTF-8 working in Java webapps?
...
I would still prefer UTF-8 above Greek (and convert your current Greek data to UTF-8) so that your application is ready for world domination.
– BalusC
Dec 4 '09 at 14:34
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SQL statement to select all rows from previous day
...
To get the "today" value in SQL:
convert(date, GETDATE())
To get "yesterday":
DATEADD(day, -1, convert(date, GETDATE()))
To get "today minus X days": change the -1 into -X.
So for all yesterday's rows, you get:
select * from tablename
where date &g...
Create a hexadecimal colour based on a string with JavaScript
....toUpperCase();
return "00000".substring(0, 6 - c.length) + c;
}
To convert you would do:
intToRGB(hashCode(your_string))
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Checking if a variable is an integer
...) rescue false This will not work for "1" if you want to check if it will convert
– mc.
Feb 18 '14 at 18:15
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Unique fields that allow nulls in Django
... return value
if value is None:
# If db has NULL, convert it to ''.
return ''
# Otherwise, just return the value.
return value
def get_prep_value(self, value):
"""
Catches value right before sending to db.
"""
...
What is the difference between Serialization and Marshaling?
...ats remote objects specially. (RFC 2713)
To "serialize" an object means to convert its state into a byte stream in such a way that the byte stream can be converted back into a copy of the object.
So, marshalling also saves the codebase of an object in the byte stream in addition to its state.
...
Rails: fields_for with index?
...e = "#{object_name}[#{association_name}_attributes]"
association = convert_to_model(association)
if association.respond_to?(:persisted?)
association = [association] if @object.send(association_name).is_a?(Array)
elsif !association.respond_to?(:to_ary)
ass...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...e queries are really fast, but it's the round trips that wreak havok. I've converted "WHERE Id = const" to "WHERE Id IN (const, const, ...)" and gotten orders of magnitude increases out of it.
– Hans
Oct 2 '12 at 23:07
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Java FileReader encoding issue
I tried to use java.io.FileReader to read some text files and convert them into a string, but I found the result is wrongly encoded and not readable at all.
...