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Extract value of attribute node via XPath
...
To get just the value (without attribute names), use string():
string(//Parent[@id='1']/Children/child/@name)
The fn:string() fucntion will return the value of its argument as xs:string. In case its argument is an attribute, it will therefore return the attribute's value as x...
How to overload __init__ method based on argument type?
...ou to do with the datatype it gave you. The problem with isinstance(x, basestring) is that there is no way for the caller to tell you, for instance, that even though the type is not a basestring, you should treat it as a string (and not another sequence.) And perhaps the caller would like to use the...
What is the difference between String.Empty and “” (empty string)?
In .NET, what is the difference between String.Empty and "" , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem?
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Why does Node.js' fs.readFile() return a buffer instead of string?
...asis mine):
Why does Node.js' fs.readFile() return a buffer instead of string?
Because files aren't always text
Even if you as the programmer know it: Node has no idea what's in the file you're trying to read. It could be a text file, but it could just as well be a ZIP archive or a JPG image ...
jQuery or CSS selector to select all IDs that start with some string [duplicate]
How can I select all elements whose id starts with "player_"?
4 Answers
4
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How can I use UUIDs in SQLAlchemy?
...ve storing as binary(16 bytes) should end up being more efficient than the string representation(36 bytes?), And there seems to be some indication that indexing 16 byte blocks should be more efficient in mysql than strings. I wouldn't expect it to be worse anyway.
One disadvantage I've found is tha...
Is there a wikipedia API just for retrieve content summary?
...:
https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&titles=Stack%20Overflow
or use pageids
https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&...
Converting any string into camel case
How can I convert a string into camel case using javascript regex?
33 Answers
33
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Android: upgrading DB version and adding new table
...ldVersion, int newVersion) {
switch (oldVersion) {
case 1:
String sql = "ALTER TABLE " + TABLE_SECRET + " ADD COLUMN " + "name_of_column_to_be_added" + " INTEGER";
db.execSQL(sql);
break;
case 2:
String sql = "SOME_QUERY";
db.execSQL(sql);
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Why are exclamation marks used in Ruby methods?
...e that someone else might have a reference to. Here's a simple example for strings:
foo = "A STRING" # a string called foo
foo.downcase! # modifies foo itself
puts foo # prints modified foo
This will output:
a string
In the standard libraries, there are a lot of places you'll see...