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Xcode 5 - “iOS Simulator failed to install application” every time I switch simulators
....0 or 6.1 simulators to test, I get the error "iOS Simulator failed to install application." When I reset the simulator it works, but this is getting very tiring.
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Why doesn't delete set the pointer to NULL?
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Stroustrup himself answers. An excerpt:
C++ explicitly allows an
implementation of delete to zero out
an lvalue operand, and I had hoped
that implementations would do that,
but that idea doesn't seem to have
become popular with implementers.
But the main issue he rais...
Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
...00%, even in cases where Apple's code fails)
use shift-command-f to find all uses of the file
select "replace" in the search settings
"replace-all"
do the following for the .h file, and REPEAT IT FOR THE .m FILE (if you have one):
right click the original file, and select "show in finder"
delete ...
How to detect the screen resolution with JavaScript?
Is there a way that works for all browsers?
12 Answers
12
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How to extract year and month from date in PostgreSQL without using to_char() function?
...s for quick reply, but can't we do it in single function or do we have to call it twice for month and year separately
– mokNathal
Apr 24 '17 at 15:22
2
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Sqlite primary key on multiple columns
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@pratnala In standard SQL, yes. In SQLite, NULL is allowed in primary keys. This answer emphasizes that if you want more standard behavior, you need to add the NOT NULL yourself. My answer is just the very basic syntax for a multi-column primary key.
– B...
What is the use of GO in SQL Server Management Studio & Transact SQL?
...te a query using the right click "Script As" menu. Why? What does GO actually do?
7 Answers
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Xml serialization - Hide null values
When using a standard .NET Xml Serializer, is there any way I can hide all null values? The below is an example of the output of my class. I don't want to output the nullable integers if they are set to null.
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Why is Hibernate Open Session in View considered a bad practice?
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Because sending possibly uninitialised Proxies, especially collections, in the view layer and triggering hibernate loading from there can be troubling from both a performance and understanding point of view.
Understanding:
Using OSIV 'pollutes' the view layer with concerns rel...
Delete forked repo from GitHub
... git and GitHub and there's a project I'm watching on GitHub. I unintentionally clicked to fork it. Now it appears as a new project to me.
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