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What does && mean in void *p = &&abc;
... defined in the current function.
void *p = &&abc is illegal in standard C99 and C++.
This compiles with g++.
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Why does NULL = NULL evaluate to false in SQL server
...d and in the most varied contexts:
3.4 Arithmetic and NULLs 109
3.5 Converting Values to and from NULL 110
3.5.1 NULLIF() Function 110
6 NULLs: Missing Data in SQL 185
6.4 Comparing NULLs 190
6.5 NULLs and Logic 190
6.5.1 NULLS in Subquery Predicates 191
6.5.2 Standard SQL S...
SQL query for finding records where count > 1
...AYMENT . Within this table I have a user ID, an account number, a ZIP code and a date. I would like to find all records for all users that have more than one payment per day with the same account number.
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Unnamed/anonymous namespaces vs. static functions
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The C++ Standard reads in section 7.3.1.1 Unnamed namespaces, paragraph 2:
The use of the static keyword is
deprecated when declaring objects in a
namespace scope, the unnamed-namespace
provides a superior alternative.
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ASP.NET MVC - Set custom IIdentity or IPrincipal
...to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
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What is the difference between 127.0.0.1 and localhost
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Well, by IP is faster.
Basically, when you call by server name, it is converted to original IP.
But it would be difficult to memorize an IP, for this reason the domain name was created.
Personally I use http://localhost instead of http://127.0.0.1 or http://username.
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Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
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Instead of doing
convertView = infalInflater.inflate(R.layout.list_item, null);
do
convertView = infalInflater.inflate(R.layout.list_item, parent, false);
It will inflate it with the given parent, but won't attach it to the parent.
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Can I load a UIImage from a URL?
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Doesn't the data need to be converted from PNG (or JPG) file format to UIImage data? Or does UIImage figure that out somehow?
– progrmr
May 6 '10 at 19:03
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How to put a new line into a wpf TextBlock control?
...de the string had double backslashes.
\\r\\n
To fix this I wrote a ValueConverter to strip the extra backslash.
public class XmlStringConverter : IValueConverter
{
public object Convert(
object value,
Type targetType,
object parameter,
CultureInfo culture)
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How do I use format() on a moment.js duration?
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convert duration to ms and then to moment:
moment.utc(duration.as('milliseconds')).format('HH:mm:ss')
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