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How do I iterate over an NSArray?
...cts in a collection which conforms to the NSFastEnumeration protocol. This approach has a speed advantage because it stores pointers to several objects (obtained via a single method call) in a buffer and iterates through them by advancing through the buffer using pointer arithmetic. This is much fas...
How to copy directories in OS X 10.7.3?
...s under the sourcedir being copied (instead of sourcedir as well), that's happening because you kept the trailing slash for sourcedir:
cp -R <sourcedir>/ <destdir>
The above only copies the files and their directories inside of sourcedir. Typically, you want to include the directory y...
Escape a string for a sed replace pattern
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Because this applies only to substitute, this should be saying: The s command (as in substitute) of sed allows you to use other characters instead of / as a separator. Also, this would be an answer to how to use sed on URL with slash char...
':app:lintVitalRelease' error when generating signed apk
...stead, check what the error is and fix it.
The error report is saved to [app module]/build/reports/lint-results-yourBuildName-fatal.html. You can open this file in a browser to read about the errors.
It would be nice if Gradle could make it a little more clear where the error report is generated....
Embedding Python in an iPhone app
So it's a new millennium; Apple has waved their hand; it's now legal to include a Python interpreter in an iPhone (App Store) app.
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INSTALL_FAILED_NO_MATCHING_ABIS when install apk
I tried to install my app into Android L Preview Intel Atom Virtual Device, it failed with error:
24 Answers
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Accessing an SQLite Database in Swift
I'm looking for a way to access an SQLite database in my app with Swift code.
12 Answers
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What is the correct syntax of ng-include?
... is important to know that ng-include requires the url path to be from the app root directory and not from the same directory where the partial.html lives. (whereas partial.html is the view file that the inline ng-include markup tag can be found).
For example:
Correct:
div ng-include src=" '...
Differences between Intent and PendingIntent
...ge from one component to another component either inside or outside of the application. Intents can communicate messages among any of the three core components of an application -- Activities, Services, and BroadcastReceivers.
The intent itself, an Intent object, is a passive data structure. It hol...
Reference one string from another string in strings.xml?
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A nice way to insert a frequently used string (e.g. app name) in xml without using Java code:
source
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE resources [
<!ENTITY appname "MyAppName">
<!ENTITY author "MrGreen">
]>
<...