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NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint
I am very new to this. I followed Apple's tutorial step by step for the iPhone project "HelloWorld". I ran it in the iPhone 5.0 simulator and it crashed:
...
How to delete a column from a table in MySQL
... DROP IsDeleted. Also, to drop multiple columns, you have to separate them by commas and include the DROP for each one.
ALTER TABLE tbl_Country
DROP COLUMN IsDeleted,
DROP COLUMN CountryName;
This allows you to DROP, ADD and ALTER multiple columns on the same table in the one statement. From ...
Java split string to array [duplicate]
...in String.split(String regex) (emphasis mine):
This method works as if by invoking the two-argument split method with the given expression and a limit argument of zero. Trailing empty strings are therefore not included in the resulting array.
If you want those trailing empty strings included, ...
Unsure if I understand TransactionAwarePersistenceManagerFactoryProxy
...y to create a transaction aware persistence manager? If the object managed by the factory is a singleton, does this change things? Why not just access the PersistenceManagerFactory directly? Perhaps PersistenceManagerFactoryUtils.getPersistenceManager would be more suited to my needs? Can getObje...
LibStatusBar icon disappears on 3rd-party app launch
...the LSStatusBarItem is not being released, it's possible it's being hidden by Springboard or another app. Consider setting icon.visible = YES explicitly. You also might want to consider setting timeHidden on LSStatusBarServer to NO explicitly by calling [item setHidesTime:NO].
Additionally, if yo...
I want to use CASE statement to update some records in sql server 2005
...o].[ProductionQueueProcessAutoclaveNominals]
WHERE
[QueueId] = 3
ORDER BY
[BaseDimensionId], [ElastomerTypeId], [Id];
---- (403 row(s) affected)
UPDATE [dbo].[ProductionQueueProcessAutoclaveNominals]
SET
[CycleId] = X.[CycleId]
FROM
[dbo].[ProductionQueueProcessAutoclaveNominals]
...
putting current class as return type annotation [duplicate]
...
In python-3.7 this issue has been resolved by not evaluating the annotations at function definition time. Instead, they are preserved in __annotations__ in string form. This is called Postponed Evaluation of Annotations, introduced in PEP 563.
Also note:
Depreca...
JavaScript click handler not working as expected inside a for loop [duplicate]
...his in an anonymous function and pass i as argument. Primitives are copied by value in function calls.
for(var i=1; i<6; i++) {
(function (i) {
$("#div" + i).click(
function () { alert(i); }
);
})(i);
}
UPDATE
Updated DEMO
Or you can use 'let' instead va...
How do I create a user with the same privileges as root in MySQL/MariaDB? [closed]
...
% mysql --user=root mysql
CREATE USER 'monty'@'localhost' IDENTIFIED BY 'some_pass';
GRANT ALL PRIVILEGES ON *.* TO 'monty'@'localhost' WITH GRANT OPTION;
CREATE USER 'monty'@'%' IDENTIFIED BY 'some_pass';
GRANT ALL PRIVILEGES ON *.* TO 'monty'@'%' WITH GRANT OPTION;
CREATE USER 'admin'@'local...
How to go to a URL using jQuery? [duplicate]
... want to load in your page, then you just have to chose where to load it.
By the way, using document.location by adding a #something won't refresh your page.
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