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How do I parse JSON with Objective-C?
...防止乱码，
NSString* jsonString = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
//将字符串写到缓冲区。
NSData* jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
NSError *jsonError;
id allKeys = [NSJSONSerialization JSONObjectWi...
What is JSONP, and why was it created?
...quest we have to use script HTML tags, the ones you usually use to load js files, in order for js to get data from another domain. Sounds weird?
Thing is - turns out script tags can be used in a fashion similar to XMLHttpRequest! Check this out:
script = document.createElement('script');
script.ty...
How to delete images from a private docker registry?
...service: registry
storage:
cache:
blobdescriptor: inmemory
filesystem:
rootdirectory: /var/lib/registry
delete:
enabled: true
http:
addr: :5000
headers:
X-Content-Type-Options: [nosniff]
health:
storagedriver:
enabled: true
interval: 10s
...
When should I use std::thread::detach?
...had crashed or had been killed. Hopefully the OS will release the locks on files, etc... but you could have corrupted shared memory, half-written files, and the like.
So, should you use join or detach ?
Use join
Unless you need to have more flexibility AND are willing to provide a synchronizati...
Is it possible to rotate a drawable in the xml description?
...ould be avoided, I'd rather deal with the overhead of updating a couple of files than having transformations on one):
Note: Android Studio is a great source for vector assets.
res\values\styles.xml
<!--ImageView-->
<style name="Details_Buttons_Top_Left_Button">
<item name="androi...
What's the difference between streams and datagrams in network programming?
...a stream socket when having information in order and intact is important. File transfer protocols are a good example here. You don't want to download some file with its contents randomly shuffled around and damaged!
You'd use a datagram socket when order is less important than timely delivery (th...
How do you create an asynchronous method in C#?
...ple of an asynchronous I/O call. Let’s say a request needs to write to a file. The request thread calls the asynchronous write method. WriteAsync is implemented by the Base Class Library (BCL), and uses completion ports for its asynchronous I/O. So, the WriteAsync call is passed down to the OS as ...
How to implement if-else statement in XSLT?
...;
<tr>
<th>File Name</th>
<th>File Size</th>
<th>Date</th>
<th>Time</th>
<th>...
How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
...B.remote = remoteR.
Think of 'refs' as C++ pointers. Physically, they are files containing SHA-digests, but basically they are just pointers into the commit tree. git fetch will add many nodes to your commit-tree, but how git decides what pointers to move is a bit complicated.
As mentioned in anot...
What is the closest thing Windows has to fork()?
...eter must be a handle of the SEC_IMAGE section object created on
the EXE file before calling ZwCreateProcess().
Though note that Corinna Vinschen indicates that Cygwin found using ZwCreateProcess() still unreliable:
Iker Arizmendi wrote:
> Because the Cygwin project relied solely on...