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PostgreSQL error 'Could not connect to server: No such file or directory'
...u are on OS X
Here is the fix:
Stop the database
cd /var
sudo rm -r pgsql_socket
sudo ln -s /tmp pgsql_socket
chown _postgres:_postgres pgsql_socket
Restart PostgreSQL (not your computer)
More information is available at "postgresql 9.0.3. on Lion Dev Preview 1".
...
How to fix “containing working copy admin area is missing” in SVN?
...
fwiw, I had a similar situation and used svn --force delete __dir__. That solved the issue for me. Then i continued working with my working copy as normal.
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How to escape single quotes within single quoted strings
...uotes and double quotes in the alias string!
– Uphill_ What '1
Jun 1 '11 at 10:09
19
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How is null + true a string?
...ing str = null + true;
it's as bellow:
.locals init ([0] string str)
IL_0000: nop
IL_0001: ldc.i4.1
IL_0002: box [mscorlib]System.Boolean
IL_0007: call string [mscorlib]System.String::Concat(object)
IL_000c: stloc.0
...
How to determine height of UICollectionView with FlowLayout
...verride func layoutSubviews() {
super.layoutSubviews()
if !__CGSizeEqualToSize(bounds.size, self.intrinsicContentSize) {
self.invalidateIntrinsicContentSize()
}
}
override var intrinsicContentSize: CGSize {
return contentSize
}
}
...
Multiple ModelAdmins/views for same model in Django admin
...l may be registered only once.
class PostAdmin(admin.ModelAdmin):
list_display = ('title', 'pubdate','user')
class MyPost(Post):
class Meta:
proxy = True
class MyPostAdmin(PostAdmin):
def get_queryset(self, request):
return self.model.objects.filter(user = request.user...
A cron job for rails: best practices?
...> :environment do
puts "Pulling new requests..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and ans...
Can't use Swift classes inside Objective-C
...wift enum
ObjcClass.h
#import <Foundation/Foundation.h>
typedef NS_ENUM(NSInteger, ObjcEnum) {
ObjcEnumValue1,
ObjcEnumValue2,
ObjcEnumValue3
};
@interface ObjcClass : NSObject
+ (void) PrintEnumValues;
@end
ObjcClass.m
#import "ObjcClass.h"
#import "SwiftCode.h"
@impleme...
Changing the cursor in WPF sometimes works, sometimes doesn't
...
public class OverrideCursor : IDisposable
{
static Stack<Cursor> s_Stack = new Stack<Cursor>();
public OverrideCursor(Cursor changeToCursor)
{
s_Stack.Push(changeToCursor);
if (Mouse.OverrideCursor != changeToCursor)
Mouse.OverrideCursor = changeToCursor;
}
pu...
Unittest setUp/tearDown for several tests
...(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls._connection = createExpensiveConnectionObject()
@classmethod
def tearDownClass(cls):
cls._connection.destroy()
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