大约有 6,600 项符合查询结果(耗时:0.0257秒) [XML]
mingw-w64 threads: posix vs win32
...talling mingw-w64 on Windows and there are two options: win32 threads and posix threads. I know what is the difference between win32 threads and pthreads but I don't understand what is the difference between these two options. I doubt that if I will choose posix threads it will prevent me from calli...
Hand Coded GUI Versus Qt Designer GUI [closed]
...ou would then compile into your application. We started using for that purpose but with all generated code, once you edit it, you can no longer go back and regenerate it without losing your edits. We ended up just taking the generated code and doing everything by hand henceforth.
Qt4
Qt4 has impro...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
...d how many open WebSocket connections a server can handle. Maybe leaving those connections open isn't a problem in reality, but it feels like it is.
...
Custom toast on Android: a simple example
...
really anybody could explain purpose of findViewById(R.id.toast_layout_root)? it's gonna be null anyway, and it works perfectly well with just passing null
– sergey.n
Oct 2 '17 at 17:36
...
Retrieve a Fragment from a ViewPager
I'm using a ViewPager together with a FragmentStatePagerAdapter to host three different fragments:
23 Answers
...
Push Notifications in Android Platform
...
(cross-posting from an answer I gave to a similar question - Does Android support near real time push notification? )
I recently started playing with MQTT http://mqtt.org for Android as a way of doing this sort of thing (i.e. p...
How to concatenate two MP4 files using FFmpeg?
... files using ffmpeg. I need this to be an automatic process hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to keep the quality the same or as clos...
Why do you not use C for your web apps?
...s having a look at a few different web servers this morning when I came across G-WAN . As I understand, its a web server written in C and you have to make use of it by writing your websites/webapps in C. One clear benefit is speed as the G-WAN site suggests.
...
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...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...
The count method of NSArray returns an NSUInteger, and on the 64-bit OS X platform
NSUInteger is defined as unsigned long, and
unsigned long is a 64-bit unsigned integer.
int is a 32-bit integer.
So int is a "smaller" datatype than NSUInteger, therefore the compiler warning.
See also NSUI...