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Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
...without the quotes. Moreover you need to specify the timezone in the input string.
Example : 2013-09-29T18:46:19-0700
And the format as "yyyy-MM-dd'T'HH:mm:ssZ"
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...
Query an XDocument for elements by name at any depth
...
using System.Xml.Linq;
class Test
{
static void Main()
{
string xml = @"
<root>
<child id='1'/>
<child id='2'>
<grandchild id='3' />
<grandchild id='4' />
</child>
</root>";
XDocument doc = XDocument.Parse(xml);
...
Read-only list or unmodifiable list in .NET 4.0
...oking for ReadOnlyCollection, which has been around since .NET2.
IList<string> foo = ...;
// ...
ReadOnlyCollection<string> bar = new ReadOnlyCollection<string>(foo);
or
List<string> foo = ...;
// ...
ReadOnlyCollection<string> bar = foo.AsReadOnly();
This creates...
Why do we usually use || over |? What is the difference?
...nd Peter mentioned, for short-circuiting is the null reference check:
if(string != null && string.isEmpty())
{
//we check for string being null before calling isEmpty()
}
more info
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How to match “anything up until this sequence of characters” in a regular expression?
...n: /^[^abc]/ . This will match any single character at the beginning of a string, except a, b, or c.
12 Answers
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Rails Root directory path?
... 3 and newer:
Rails.root
which returns a Pathname object. If you want a string you have to add .to_s. If you want another path in your Rails app, you can use join like this:
Rails.root.join('app', 'assets', 'images', 'logo.png')
In Rails 2 you can use the RAILS_ROOT constant, which is a string...
Python regular expressions return true/false
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re.match(...) would return true if the string's beginning part match the regular pattern. While search will confirm the pattern anywhere in the string.
– Yu Shen
Jun 8 '13 at 9:57
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What are the differences between Abstract Factory and Factory design patterns?
...ase.
interface IMessageQueueFactory
{
IMessageQueue CreateOutboundQueue(string name);
IMessageQueue CreateReplyQueue(string name);
}
public class AzureServiceBusQueueFactory : IMessageQueueFactory
{
IMessageQueue CreateOutboundQueue(string name)
{
//init queue
...
Send an Array with an HTTP Get
.... There is no definitive standard for this. See also a.o. Wikipedia: Query string:
While there is no definitive standard, most web frameworks allow multiple values to be associated with a single field (e.g. field1=value1&field1=value2&field2=value3).[4][5]
Generally, when the target se...
How to iterate over rows in a DataFrame in Pandas
...ed to a lot of waiting.
Do you want to print a DataFrame? Use DataFrame.to_string().
Do you want to compute something? In that case, search for methods in this order (list modified from here):
Vectorization
Cython routines
List Comprehensions (vanilla for loop)
DataFrame.apply(): i) Reductions th...