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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]

...opt] int32 x) cil managed { .param [1] = int32(5) .maxstack 8 L_0000: nop L_0001: ret } .method //this is a new method private hidebysig static //it is private, ???, and static void foo //it returns nothing (void) and is named Foo ([opt] int32 x) //it has one parameter, which i...
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The model backing the context has changed since the database was created

... Ps, this goes in Global.asax Application_Start() – BritishDeveloper Feb 23 '13 at 0:08 48 ...
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Cannot create an NSPersistentStoreCoordinator with a nil model

... Your right. It's null and so this line is causing the error: ` __persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]];` Changing to mom doesn't seem to fix anything though – Dominic Williams ...
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How can we match a^n b^n with Java regex?

... testAll($r, $tests) { foreach ($tests as $test) { $isMatch = preg_match($r, $test, $groups); $groupsJoined = join('|', $groups); print("$test $isMatch $groupsJoined\n"); } } $tests = array('aaa', 'aaab', 'aaaxb', 'xaaab', 'b', 'abbb'); $r1 = '/^a+(?=b+)/'; # └...
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How to customize the background/border colors of a grouped table view cell?

...kgroundView.h // // Created by Mike Akers on 11/21/08. // Copyright 2008 __MyCompanyName__. All rights reserved. // #import <UIKit/UIKit.h> typedef enum { CustomCellBackgroundViewPositionTop, CustomCellBackgroundViewPositionMiddle, CustomCellBackgroundViewPositionBottom, ...
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How to think in data stores instead of databases?

...operty(db.Key) #all the users who are able to view this league def get_managers(self): # This returns the models themselves, not just the keys that are stored in teams return UserPrefs.get(self.managers) def get_coaches(self): # This returns the models themselves, n...
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How do you find out the type of an object (in Swift)?

... adding as! AnyClass after the type but then program crashes with some "EXC_BAD_INSTRUCTION" and other jiberrish that I cannot decipher. – LightningStryk Mar 10 '17 at 0:36 ...
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Unique BooleanField value in Django?

...rn it off). class Character(models.Model): name = models.CharField(max_length=255) is_the_chosen_one = models.BooleanField() def save(self, *args, **kwargs): if self.is_the_chosen_one: try: temp = Character.objects.get(is_the_chosen_one=True) ...
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MySQL get the date n days ago as a timestamp

... DATE_SUB will do part of it depending on what you want mysql> SELECT DATE_SUB(NOW(), INTERVAL 30 day); 2009-06-07 21:55:09 mysql> SELECT TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day)); 2009-06-07 21:55:09 mysql> SELECT U...
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Can I run multiple programs in a Docker container?

... you to sepcify behaviour for each process such as autorestart=true, stdout_logfile, stderr_logfile etc. Take a look at docs.docker.com/engine/admin/using_supervisord – Andreas Lundgren Aug 12 '16 at 7:39 ...