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Create Directory if it doesn't exist with Ruby
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You are probably trying to create nested directories. Assuming foo does not exist, you will receive no such file or directory error for:
Dir.mkdir 'foo/bar'
# => Errno::ENOENT: No such file or directory - 'foo/bar'
To create nested directories at once, FileUtils is needed:
require...
Xml Namespace breaking my xpath! [duplicate]
...this particular file. The file would be semantically identical were it <foo:List xmlns:foo="http://schemas.microsoft.com/sharepoint/soap/"><foo:Fields><foo:Field></foo:Field></foo:Fields></foo:List>
– Anomie
Mar 9 '11 at 0:10...
Python dictionary from an object's fields
...on 2.7 is to use new-style classes (not needed with Python 3), i.e.
class Foo(object):
...
Also, there's a difference between an 'object' and a 'class'. To build a dictionary from an arbitrary object, it's sufficient to use __dict__. Usually, you'll declare your methods at class level and your...
Google Guava isNullOrEmpty for collections
...y, then get all that ambiguity out of the way up front, like this:
Set<Foo> foos = NaughtyClass.getFoos();
if (foos == null) {
foos = ImmutableSet.of();
}
or like this (if you prefer):
Set<Foo> foos = MoreObjects.firstNonNull(
NaughtyClass.getFoos(), ImmutableSet.<Foo>of(...
PHP Function Comments
... */
class Net_Sample
{
// {{{ properties
/**
* The status of foo's universe
* Potential values are 'good', 'fair', 'poor' and 'unknown'.
* @var string $foo
*/
public $foo = 'unknown';
/**
* The status of life
* Note that names of private properties or ...
Clear text from textarea with selenium
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driver.find_element_by_id('foo').clear()
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Hidden Features of C#? [closed]
...ntheses to automagically instantiate collections for me.
private IList<Foo> _foo;
public IList<Foo> ListOfFoo
{ get { return _foo ?? (_foo = new List<Foo>()); } }
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Outputting data from unit test in python
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What if I call a method foo inside testSomething and it logs something. How can I see the output for that without passing the logger to foo?
– simao
Nov 2 '10 at 0:57
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What is the difference between UNION and UNION ALL?
... duplicates (especially when developing reports).
UNION Example:
SELECT 'foo' AS bar UNION SELECT 'foo' AS bar
Result:
+-----+
| bar |
+-----+
| foo |
+-----+
1 row in set (0.00 sec)
UNION ALL example:
SELECT 'foo' AS bar UNION ALL SELECT 'foo' AS bar
Result:
+-----+
| bar |
+-----+
| fo...
How do I get the path and name of the file that is currently executing?
...ere is a summary of experiments with Python 2 and 3. With
main.py - runs foo.py
foo.py - runs lib/bar.py
lib/bar.py - prints filepath expressions
| Python | Run statement | Filepath expression |
|--------+---------------------+----------------------------------------|
|...