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我帮儿子用App Inventor 2给遥控车装了"蓝牙大脑"，手机一划车就...
...景下比较麻烦，好在我的场景主要是手机单向发送指令，问题不大。
最终效果
成果超出预期：
- 手机放在沙发上，20米内流畅控制（HC-05标称10米，实测无遮挡30米都可控）
- 方向盘实时映射，没有肉眼可见的延迟
- 儿子...
Replacing a char at a given index in string? [duplicate]
... bit on how to make a decent function that does what I need. I suppose the CPU cost is high, but the string sizes are small so it's all ok
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What exactly is node.js used for? [closed]
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Blogs, CMS, Social Applications.
Utilities and Tools
Anything that is not CPU intensive.
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java.lang.OutOfMemoryError: GC overhead limit exceeded [duplicate]
...d / high memory pressure situations, but on the other hand it used up more CPU, so that the requests took 5-10% longer to execute under normal load situations.
– anre
Oct 13 '16 at 20:40
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Best lightweight web server (only static content) for Windows [closed]
...emory footprint compared to other web-servers, effective management of the cpu-load, and advanced feature set (FastCGI, SCGI, Auth, Output-Compression, URL-Rewriting and many more) lighttpd is the perfect solution for every server that is suffering load problems. And best of all it's Open Source lic...
Convert audio files to mp3 using ffmpeg
... with a flash player. The only benefit they have is that they require less cpu to encode, but the drawbacks are not worth it.
– Daniel F
Apr 15 '18 at 21:29
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How can I get list of values from dict?
... std. dev. of 7 runs, 100 loops each)
Done on Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz.
# Name Version Build
ipython 7.5.0 py37h24bf2e0_0
The result
For small dictionaries * operator is quicker
For big dictionaries where it mat...
How to change the blue highlight color of a UITableViewCell?
... over using selectedBackgroundView, it uses less memory, and slightly less CPU, not that u would even notice unless u display hundreds of cells.
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scale Image in an UIButton to AspectFit?
...u should resize it before using it. Resizing it at run time will just lose CPU cycles.
This is the category I'm using to scale an image :
UIImage+Extra.h
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize;
@end;
UIImage+Extra.m
@implementation UIIm...
Get mouse wheel events in jQuery?
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You don't need to divide by 120 it is useless waste of cpu
– venimus
Sep 30 '13 at 11:21
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