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Is an index needed for a primary key in SQLite?
...constraint) on the parent/referenced field(s) if it doesn't exist; it is recommended that the child/referencing field(s) have an index (which usually won't be unique): see here
– TripeHound
Mar 20 '14 at 14:01
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NSDefaultRunLoopMode vs NSRunLoopCommonModes
...esome blog post by Jörn suggests an alternative option, using NSRunLoopCommonModes for connection.
1 Answer
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I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
For example, in the following master branch, I need to trash just the commit af5c7bf16e6f04321f966b4231371b21475bc4da, which is the second due to previous rebase:
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Difference between Destroy and Delete
... edited Mar 5 '18 at 21:56
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answered Mar 31 '14 at 9:03
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“From View Controller” disappears using UIViewControllerContextTransitioning
...nspect the view hierarchy after the screen goes black. The key UIWindow is completely empty – no view hierarchy at all!
I played around a bit and it looks like there is an easy workaround, for simple cases. You can just re-add the toViewController's view as a subview of the key window's:
trans...
Why do all browsers' user agents start with “Mozilla/”?
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How to get Scala List from Java List?
...T: Note that this is deprecated since 2.12.0. Use JavaConverters instead. (comment by @Yaroslav)
Since Scala 2.8 this conversion is now built into the language using:
import scala.collection.JavaConversions._
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lst.toList.foreach{ node => .... }
works. asScala did not work
In 2.12.x use im...
Function that creates a timestamp in c#
...# from a datetime?
I need a millisecond precision value that also works in Compact Framework(saying that since DateTime.ToBinary() does not exist in CF).
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How to undo a git merge with conflicts
... state it was in before the merge. That means that it should restore any uncommitted changes from before the merge, although it cannot always do so reliably. Generally you shouldn't merge with uncommitted changes anyway.
Prior to version 1.7.4:
git reset --merge
This is older syntax but does the...