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How to delete all Annotations on a MKMapView
Is there a simple way to delete all the annotations on a map without iterating through all the displayed annotations in Objective-c?
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Formatting a float to 2 decimal places
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Just in case you're unsure (I was), all of these ways for formatting a float value do provide rounding.
– RenniePet
Nov 12 '17 at 15:03
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Correct Bash and shell script variable capitalization
I run across many shell scripts with variables in all caps, and I've always thought that there is a severe misunderstanding with that. My understanding is that, by convention (and perhaps by necessity long ago), environment variables are in all-caps.
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How do I “undo” a --single-branch clone?
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You can tell Git to pull all branches like this:
git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
git fetch origin
If you look in .git/config, it'll look something like this:
[core]
repositoryformatversion = 0
filemode...
Maven command to determine which settings.xml file Maven is using
...utput until maven 3 was released, but your post some 2.5 years later is finally the exact answer I was looking for (sorry for the 6 month delay in noticing it).
– harschware
Nov 12 '12 at 17:25
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Hibernate Criteria returns children multiple times with FetchType.EAGER
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This is actually the expected behaviour if I understood your configuration correctly.
You get the same Order instance in any of the results, but since now you are doing a join with the OrderTransaction, it has to return the same amount ...
Is using a lot of static methods a bad thing?
I tend to declare as static all the methods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
Event system in Python
...r methods', which is a
simple implementation of the Observer pattern.
Basically, the handler methods (callables) are stored in an array and are each called when the event 'fires'.
Publish-Subscribe
The disadvantage of Observer event systems is that you can only register the handlers on the actual Ev...
Transposing a NumPy array
...of a 1D array is still a 1D array! (If you're used to matlab, it fundamentally doesn't have a concept of a 1D array. Matlab's "1D" arrays are 2D.)
If you want to turn your 1D vector into a 2D array and then transpose it, just slice it with np.newaxis (or None, they're the same, newaxis is just mor...
Notification passes old Intent Extras
...gIntent contentIntent = PendingIntent.getActivity(context, UNIQUE_INT_PER_CALL, notificationIntent, 0);
intents are not created if you send the same params. They are reused.
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