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NSUserDefaults - How to tell if a key exists
I'm working on a small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple.
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How to listen for changes to a MongoDB collection?
...ata. Replicas Sets function by listening to changes on this oplog and then applying the changes locally.
Does this sound familiar?
I cannot detail the whole process here, it is several pages of documentation, but the tools you need are available.
First some write-ups on the oplog
- Brief descri...
Can I embed a custom font in an iPhone application?
I would like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel . Is this possible?
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Creating a temporary directory in Windows?
...ption if tempDirectory already exists, this case won't be detected by your application. And then you may have two applications stepping on each other's work. Is there any safer alternative in .NET?
– Chris
Aug 20 '09 at 18:31
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How to determine CPU and memory consumption from inside a process?
... of determining the following performance parameters from inside a running application:
9 Answers
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What is the max size of localStorage values?
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Actually Opera doesn't have 5MB limit. It offers to increase limit as applications requires more. User can even choose "Unlimited storage" for a domain.
You can easily test localStorage limits/quota yourself.
share
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How do I update each dependency in package.json to the latest version?
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Looks like npm-check-updates is the only way to make this happen now.
npm i -g npm-check-updates
ncu -u
npm install
On npm <3.11:
Simply change every dependency's version to *, then run npm update --save. (Note: broken in recent (3.11) versions of npm).
Before:
"depende...
System.currentTimeMillis vs System.nanoTime
... values change. Differences
in successive calls that span greater
than approximately 292 years (263
nanoseconds) will not accurately
compute elapsed time due to numerical
overflow.
For example, to measure how long some code takes to execute:
long startTime = System.nanoTime();
// .....
How to debug in Django, the good way? [closed]
...hen using the development server on your local machine, as the prompt will appear in the console.
– Daniel Roseman
Jul 13 '09 at 8:31
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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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