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What is the documents directory (NSDocumentDirectory)?
Can someone explain to me what the documents directory is on an iOS app and when to use it?
9 Answers
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Repeat a task with a time delay?
... * perform UIUpdates on a specified time interval.
*
* @param uiUpdater A runnable containing the update routine.
*/
public UIUpdater(final Runnable uiUpdater) {
mStatusChecker = new Runnable() {
@Override
public void ru...
How to add a browser tab icon (favicon) for a website?
...make the /favicon.ico request to your website return your favicon. This option unfortunately doesn't allow you to use a PNG icon.
See also favicon.png vs favicon.ico - why should I use PNG instead of ICO?
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Read .mat files in Python
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An import is required, import scipy.io...
import scipy.io
mat = scipy.io.loadmat('file.mat')
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Programmatically get own phone number in iOS
...of getting negative marks, I want to suggest that the highest ranking solution (currently the first response) violates the latest SDK Agreement as of Nov 5, 2009. Our application was just rejected for using it. Here's the response from Apple:
"For security reasons, iPhone OS restricts an applicatio...
Should IBOutlets be strong or weak under ARC?
I am developing exclusively for iOS 5 using ARC. Should IBOutlet s to UIView s (and subclasses) be strong or weak ?
11...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
...特殊的文件，一些socket函数就是对其进行的操作（读/写IO、打开、关闭）
既然Unix/Linux是将socket以一种io的形式来编程实现，那对于socket的研究必然有几个概念要理解：
1、阻塞/非阻塞：这两个概念是针对 IO 过程中进程的状态...
JAX-RS — How to return JSON and HTTP status code together?
...ple:
@GET
@Path("retrieve/{uuid}")
public Response retrieveSomething(@PathParam("uuid") String uuid) {
if(uuid == null || uuid.trim().length() == 0) {
return Response.serverError().entity("UUID cannot be blank").build();
}
Entity entity = service.getById(uuid);
if(entity == ...
Generating all permutations of a given string
...he Coding Interview" (P54):
/**
* List permutations of a string.
*
* @param s the input string
* @return the list of permutations
*/
public static ArrayList<String> permutation(String s) {
// The result
ArrayList<String> res = new ArrayList<String>();
// If inpu...
Enum type constraints in C# [duplicate]
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This is an occasionally requested feature.
As I'm fond of pointing out, ALL features are unimplemented until someone designs, specs, implements, tests, documents and ships the feature. So far, no one has done that for this one. There's no ...