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Do sealed classes really offer performance Benefits?
... = new NormalClass();
00000000 push ebp
00000001 mov ebp,esp
00000003 sub esp,8
00000006 cmp dword ptr ds:[00585314h],0
0000000d je 00000014
0000000f call 70032C33
00000014 xor edx,edx
00000016 mov dword ptr [ebp-4],edx
0...
How can one see content of stack with GDB?
...o
To read the memory at given addresses you should take a look at x
x/x $esp for hex x/d $esp for signed x/u $esp for unsigned etc. x uses the format syntax, you could also take a look at the current instruction via x/i $eip etc.
...
How can I display an RTSP video stream in a web page?
I have an ip camera which provides a live RTSP video stream. I can use VLC media player to view the feed by providing it with the URL:
...
How can I use jQuery to make an input readonly?
...nswered Sep 1 '09 at 12:19
Russ CamRuss Cam
114k2929 gold badges187187 silver badges243243 bronze badges
...
String literals: Where do they go?
...rt literals, I could see the compiler generating code such as movb $65, 8(%esp); movb $66, 9(%esp); movb $0, 10(%esp) for the string "AB", but the vast majority of the time, it will be in a non-code segment such as .data or .rodata or the like (depending on whether or not the target supports read-on...
Using jquery to get all checked checkboxes with a certain class name
...swered Mar 27 '11 at 15:15
Russ CamRuss Cam
114k2929 gold badges187187 silver badges243243 bronze badges
...
Is errno thread-safe?
...0: 55 push ebp
1: 89 e5 mov ebp,esp
3: 83 e4 f0 and esp,0xfffffff0
6: e8 fc ff ff ff call 7 <main+0x7> ; get address of errno in EAX
b: c7 00 00 00 00 00 mov DWORD PTR [eax],0x0 ; store 0 in errno
11: b8 00...
JavaScript function similar to Python range()
...is greater than start (and swap them if not).
– Russ Cam
Nov 25 '11 at 18:46
1
@RussCam: Thanks f...
BLE通信数据不能超过20字节？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
...没问题，用AI2就截断了，只有20字符。
答复：
1-在 ESP32 代码中，我放置了这一行：BLEDevice::setMTU(192);
2- 在应用程序中，我将调用 Request MTU 放在 .Connected 块上，请求相同的 192 字节；
就我而言，当我必须发送< 23字节的...
水果vs蔬菜智能分类器 - EdgeML图像识别项目 · App Inventor 2 中文网
...最受欢迎的机器学习应用之一，部署在微型设备上，如 ESP32-CAM 或 Raspberry Pi。该项目使用 Edge Impulse 作为机器学习平台。现在，让我们探索如何使用 App Inventor 的 Personal Image Classifier (PIC) 扩展在 Android 智能手机上实现相同的目标...