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char类型移动跨平台踩过的坑 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一些嵌入式设备
char强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C/C++及内核技术
...zypper install bcc-devel
#zypper install bcc-devel-0.22.0-lp151.127.1.x86_64 #安装失败的话,可以尝试
3、安装bpftrace(参考:INSTALL.md):
OCICLI https://software.opensuse.org/ymp/home:pavlix:Kernel/openSUSE_Leap_15.1/bpftrace.ymp
4、验证:
bpftrace
USAGE:
...
char类型移动跨平台踩过的坑 - C/C++ - 清泛网 - 专注C/C++及内核技术
...符号处理的,但是在ARM32下被当成了无符号导致问题,ARM64正常有符号。经调查,在PC上,char类型默认为signed-char,但是在一些嵌入式设备
char强转int时,发现在x86平台下是按照有符号处理的,但是在ARM32下被当成了无符号导致问...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...zypper install bcc-devel
#zypper install bcc-devel-0.22.0-lp151.127.1.x86_64 #安装失败的话,可以尝试
3、安装bpftrace(参考:INSTALL.md):
OCICLI https://software.opensuse.org/ymp/home:pavlix:Kernel/openSUSE_Leap_15.1/bpftrace.ymp
4、验证:
bpftrace
USAGE:
...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展之:RequestMTU是否有上限? -...
...uestMTU
没反应,是不是因为这个值1024太大了
1024没触发,64触发了
MTU设64不报错,设100报错 128报错.256不报错.
----
连上后,调用,没有触发回调?
待调查研究这个函数是否有上限。见这篇帖子《ble蓝牙 RequestMTU 请求没有反...
为什么会提示AppInventor2.exe 不是有效的 Win32 - App Inventor 2 离线版 ...
本帖最后由 lmn2005 于 2025-04-15 18:35 编辑
电脑系统为64位win7,安装AppInventor2后运行,提示C:\AppInventor2\AppInventor2.exe 不是有效的 Win32 应用程序 这是为什么?
https://aka.ms/vs/16/release/vc_redist.x64.exe
装一个运行环境试试,如果还...
Converting a Java Keystore into PEM Format
... pub:
00:e2:66:5c:e0:2e:da:e0:6b:a6:aa:97:64:59:14:
7e:a6:2e:5a:45:f9:2f:b5:2d:f4:34:27:e6:53:c7:
bash$ keytool -importkeystore -srckeystore foo.jks \
-destkeystore foo.p12 \
-srcstoretype jks \
-deststoretype pkcs12
Enter ...
How to get the first column of a pandas DataFrame as a Series?
... [7]: df.iloc[:,0]
Out[7]:
0 1
1 2
2 3
3 4
Name: x, dtype: int64
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Is there “0b” or something similar to represent a binary number in Javascript
...gned a number that looks like it's in binary, but is actually being parsed base 10. The parseInt function expects a string as the first arg, so it turns it into "1111" (base 10 representation), then re-parses it as if it were base 2.
– Ted Hopp
Sep 12 '12 at 21...
py2exe - generate single executable file
...ads-L1-1-0.dll',
'API-MS-Win-Security-Base-L1-1-0.dll',
'KERNELBASE.dll',
'POWRPROF.dll',
],
#compressed=None, # Compress librar...
