大约有 43,000 项符合查询结果（耗时：0.0330秒） [XML]
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.
...
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...
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...
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 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...
Why does isNaN(“ ”) (string with spaces) equal false?
...fails the isNAN test. You can use parseInt on the string first which won't convert the empty string to 0. The result should then fail isNAN.
share
|
improve this answer
|
fol...
PHP expresses two different strings to be the same [duplicate]
...string or the comparison involves
numerical strings, then each string is converted to a number and the
comparison performed numerically.
http://php.net/manual/en/language.operators.comparison.php
Attention:
What about the behavior in javascript which also has both == and ===?
The answer is ...
Git status ignore line endings / identical files / windows & linux environment / dropbox / mled
...s:
text - Changes line endings to OS native line endings.
text eol=crlf - Converts line endings to CRLF on checkout.
text eol=lf - Converts line endings to LF on checkout.
text=auto - Sensible default that leaves line handle up to Git's discretion.
Here is the content of a sample .gitattributes fi...
Set object property using reflection
...
If you aren't dealing with all strings you might wanna convert the data first: var val = Convert.ChangeType(propValue, propInfo.PropertyType); source: devx.com/vb2themax/Tip/19599
– LostNomad311
Jul 18 '12 at 20:23
...
Converting JSON String to Dictionary Not List
I am trying to pass in a JSON file and convert the data into a dictionary.
6 Answers
6...