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Why does viewWillAppear not get called when an app comes back from the background?
I'm writing an app and I need to change the view if the user is looking at the app while talking on the phone.
7 Answers
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How can I list all foreign keys referencing a given table in SQL Server?
...ema:
EXEC sp_fkeys @pktable_name = 'TableName', @pktable_owner = 'dbo'
Without specifying the schema, the docs state the following:
If pktable_owner is not specified, the default table visibility rules
of the underlying DBMS apply.
In SQL Server, if the current user owns a table with t...
How to print the values of slices
... precision, you can use %#v to print the object using Go-syntax, as for a literal:
%v the value in a default format.
when printing structs, the plus flag (%+v) adds field names
%#v a Go-syntax representation of the value
For basic types, fmt.Println(projects) is enough.
Note: for a slice ...
When to use IMG vs. CSS background-image?
In what situations is it more appropriate to use an HTML IMG tag to display an image, as opposed to a CSS background-image , and vice-versa?
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Add alternating row color to SQL Server Reporting services report
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edited Dec 3 '09 at 4:00
Shimmy Weitzhandler
88.9k116116 gold badges372372 silver badges585585 bronze badges
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How to serialize an object to XML without getting xmlns=“…”?
Is there a way for me to serialize an object in .NET without the XML Namespaces automatically serializing also? It seems that by default .NET believes the XSI and XSD namespaces should be included, but I don't want them there.
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Ruby: How to turn a hash into HTTP parameters?
That is pretty easy with a plain hash like
13 Answers
13
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Random record from MongoDB
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Starting with the 3.2 release of MongoDB, you can get N random docs from a collection using the $sample aggregation pipeline operator:
// Get one random document from the mycoll collection.
db.mycoll.aggregate([{ $sample: { size: 1 } ...
Exception thrown in NSOrderedSet generated accessors
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I reproduced your setup both with your data model and one of my own with different names. I got the same error in both cases.
Looks like a bug in Apple's autogenerated code.
sh...
argparse module How to add option without any argument?
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edited May 23 '17 at 12:18
Community♦
111 silver badge
answered Mar 11 '11 at ...