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Programmatic equivalent of default(Type)
...ties AND setting them to "default" - this works brilliantly. I use it when converting from a SqlDataReader to an object using reflection.
– Arno Peters
Jun 23 '13 at 9:13
...
Java generics type erasure: when and what happens?
...ric, and what the constraints are etc. But when generics are used, they're converted into compile-time checks and execution-time casts. So this code:
List<String> list = new ArrayList<String>();
list.add("Hi");
String x = list.get(0);
is compiled into
List list = new ArrayList();
lis...
Dynamic Anonymous type in Razor causes RuntimeBinderException
...y opinion.
Here is a quick and nice extension to fix this problem i.e. by converting the anonymous object into an ExpandoObject right away.
public static ExpandoObject ToExpando(this object anonymousObject)
{
IDictionary<string, object> anonymousDictionary = new RouteValueDictionary(ano...
A html space is showing as %2520 instead of %20
...since % is a valid filename character and as such it will be encoded) when converting to a proper URL (see next point).
if you provide a URL with the file:// protocol, you are basically stating that you have taken all precautions and encoded what needs encoding, the rest should be treated as special...
How to center a subview of UIView
...
You can do this and it will always work:
child.center = [parent convertPoint:parent.center fromView:parent.superview];
And for Swift:
child.center = parent.convert(parent.center, from:parent.superview)
share
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Meaning of -
...stem to interpret those bytes as actual characters (and so display them or convert them to another encoding), it needs to know the encoding used in the XML.
Since most common encodings are compatible with ASCII, as far as basic alphabetic characters and symbols go, in these cases, the declaration i...
PHP case-insensitive in_array function
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Seems like the easier way to go is to just convert to lowercase.
– Joshua Dance
Mar 26 '14 at 15:51
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What is the best way to implement nested dictionaries?
...sults are quite unreadable. The solution typically given is to recursively convert back to a dict for manual inspection. This non-trivial solution is left as an exercise for the reader.
Performance
Finally, let's look at performance. I'm subtracting the costs of instantiation.
>>> import ti...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
...er];
DECLARE @kill varchar(8000) = '';
SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';'
FROM sys.dm_exec_sessions
WHERE database_id = db_id('MyDB')
EXEC(@kill);
For MS SQL Server 2000, 2005, 2008
USE master;
DECLARE @kill varchar(8000); SET @kill = '';
SELECT @kill...
Plotting two variables as lines using ggplot2 on the same graph
...
The general approach is to convert the data to long format (using melt() from package reshape or reshape2) or gather()/pivot_longer() from the tidyr package:
library("reshape2")
library("ggplot2")
test_data_long <- melt(test_data, id="date") # co...