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What should my Objective-C singleton look like? [closed]
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The thing is this is the Apple sample code for "creating a singleton". But yeah, you're absolutely right.
– Colin Barrett
Oct 23 '08 at 1:39
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log4net vs. Nlog
...gging framework experience. I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you.
My recommendation for our project is this:
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Is there a way of having git show lines added, lines changed and lines removed?
...he -m option is for showing the number of modified lines.
Sample output:
app/controllers/application_controller.rb | 30 -------------------!!!
1 files changed, 0 insertions(+), 26 deletions(-), 4 modifications(!)
The count for the number of lines modified is approximate, as man diffstat says:...
Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
I am in the early stages of creating an app where I would like to save, sync and backup data. The app will not store any files just data in a database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work to...
How to Rotate a UIImage 90 degrees?
... you may call UIGraphicsGetCurrentContext function from any thread of your app.
– bentford
Aug 27 '13 at 17:51
3
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Token Authentication for RESTful API: should the token be periodically changed?
...}
return HttpResponse(json.dumps(response_data), content_type="application/json")
return HttpResponse(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
obtain_expiring_auth_token = ObtainExpiringAuthToken.as_view()
yourmodule/urls.py:
from django.conf.urls import patter...
How to reset postgres' primary key sequence when it falls out of sync?
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If your application cares about gaps in sequences, your application is broken. Gaps in sequences are normal, and can occur due to unplanned database shutdowns, transaction rollbacks after errors, etc.
– Craig Ri...
getSupportActionBar from inside of Fragment ActionBarCompat
I'm starting a new project that uses the AppCompat/ActionBarCompat in v7 support library. I'm trying to figure out how to use the getSupportActionBar from within a fragment. My activity that hosts the fragment extends ActionBarActivity , but I don't see a similar support class for Fragments.
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Why is IntelliJ 13 IDEA so slow after upgrading from version 12?
...restart it was much faster.
For IntelliJ 2020 going back to 2017 on Mac
/Applications/IntelliJ IDEA.app/Contents/bin/idea.vmoptions
On a Mac, this file is located in this path:
For IntelliJ 14 or 15 on Mac
/Applications/IntelliJ IDEA 14.app/Contents/bin/idea.vmoptions
For IntelliJ 13 on Mac
/U...
Apache Spark: The number of cores vs. the number of executors
...s a little more concrete, here’s a worked example of configuring a Spark app to use as much of the cluster as
possible: Imagine a cluster with six nodes running NodeManagers, each
equipped with 16 cores and 64GB of memory. The NodeManager capacities,
yarn.nodemanager.resource.memory-mb and
yarn.no...