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多媒体组件 · App Inventor 2 中文网
...来控制视频播放器的行为。
视频文件应为 3GPP (.3gp) 或 MPEG-4 (.mp4) 格式。更多详细信息格式，见 Android 支持的媒体格式。
App Inventor 只允许 1 MB 以下的视频文件，并将应用程序的总大小限制为 5 MB，并非所有文件都可用于媒体（...
Regular expression to match DNS hostname or IP Address?
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edited Oct 31 '12 at 13:57
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How do I record audio on iPhone with AVAudioRecorder?
...nt to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any examples of how to best do this in the iPhone Dev Center and only reference to the classes. I am a newbie at iPhone development, so I am looking for a simple sample to get me started...
Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
... JSPs unless I was tortured until I cried for my mommy.
Do I have to be compatible/deploy to a specific product because of someone's mandate? Is there no way to ignore them or convince them otherwise? If so, there's your answer.
Do I have to use EJBs? Really? Avoid them if at all possible--the...
How does __proto__ differ from constructor.prototype?
...are added to the objects for making easy to know where we are after some jumps:
Object.O1='';
Object.prototype.Op1='';
Function.F1 = '';
Function.prototype.Fp1 = '';
Cat = function(){};
Cat.C1 = '';
Cat.prototype.Cp1 = '';
mycat = new Cat();
o = {};
// EDITED: using console.dir now instead of c...
Service vs IntentService in the Android platform
I am seeking an example of something that can be done with an IntentService that cannot be done with a Service (and vice-versa)?
...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...the user presses q again, don't wrap. So basically, quit search by tapping qq instead of q! (And if you do want to wrap, just type y.)
:,$s/BEFORE/AFTER/gce|echo 'Continue at beginning of file? (y/q)'|if getchar()!=113|1,''-&&|en
I actually have this mapped to a hotkey. So, for example, i...
Choosing a Java Web Framework now? [closed]
...rk which provides built-in support for ajax, rich media content, mashup, templates based layout, validation, maximum html/java code separation. Grails looked like a good choice, however, we do not want to use a scripting language. We want to continue using java. Template based layout is a primary co...
How can I create directory tree in C++/Linux?
...ipt
** PREFIX=mkpath.$$
** NAME=./$PREFIX/sa/32/ad/13/23/13/12/13/sd/ds/ww/qq/ss/dd/zz/xx/dd/rr/ff/ff/ss/ss/ss/ss/ss/ss/ss/ss
** : ${MKPATH:=mkpath}
** ./$MKPATH $NAME &
** [...repeat a dozen times or so...]
** ./$MKPATH $NAME &
** wait
** rm -fr ./$PREFIX/
*/
int main(int argc, char **argv...
Detect & Record Audio in Python
...
As a follow up to Nick Fortescue's answer, here's a more complete example of how to record from the microphone and process the resulting data:
from sys import byteorder
from array import array
from struct import pack
import pyaudio
import wave
THRESHOLD = 500
CHUNK_SIZE = 1024
FOR...