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How do I convert between big-endian and little-endian values in C++?
...32 bit numbers:
unsigned long _byteswap_ulong(unsigned long value);
For 64 bit numbers:
unsigned __int64 _byteswap_uint64(unsigned __int64 value);
8 bit numbers (chars) don't need to be converted.
Also these are only defined for unsigned values they work for signed integers as well.
For floa...
Difference between float and decimal data type
...most environments is a binary floating-point type. It can accurately store base-2 values (to a certain point), but cannot accurately store many base-10 (decimal) values. Floats are most appropriate for scientific calculations. They're not appropriate for most business-oriented math, and inappropriat...
Example images for code and mark-up Q&As [closed]
...enerated using Java as originally seen in this answer. It includes a Java based interface that defines the URLs and makes them easy to access.
Details: 32x32 pixel PNG (4 colors x 5 shapes) with partial transparency (along the edges).
Categories: png icons
...
Unsupported major.minor version 52.0 [duplicate]
...d 25.51-b03, mixed mode)
Configuring Environment Variables
Most of Java-based applications use environment variables to work. Set the Java environment variables using the following commands:
Setup JAVA_HOME Variable
# export JAVA_HOME=/opt/jdk1.8.0_51
Setup JRE_HOME Variable
# export JRE_HOME=...
AppInventor2 二进制文件的读写 - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
...：如果想要保存二进制到文件，可以考虑转换成 ascii 或 base64 化，然后通过文件管理器保存为文件，具体请帮助，...蓝牙客户端或 ble 都可以接收二进制数组，返回的数据是列表：
如果想要保存二进制到文件，可以考虑转换...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is size_t in C?
... the return type
of size_t. Further, the most
frequently used compiler-based
operator sizeof should evaluate to a
constant value that is compatible with
size_t.
As an implication, size_t is a type guaranteed to hold any array index.
...
/usr/lib64/gcc/ ... /bin/ld: cannot find -lxxx 踩坑记录 - C/C++ - 清泛网 - 专注C/C++及内核技术
/usr/lib64/gcc/ ... /bin/ld: cannot find -lxxx 踩坑记录编译一个模块时依赖xxx模块，在确认依赖路径及依赖xxx so文件名均正确的前提下，编译仍然报错： usr lib64 gcc bin ld: cannot find -lxxx最后才发现，xxx目录生成的目 编译一个模块时依...
尝试加载 Oracle 客户端库时引发 BadImageFormatException。如果在安装 32 ...
...atException。如果在安装 32 位 Oracle 客户端组件的情况下以 64 位模式运行，将出现此问题。尝试加载 Oracle 客户端库时引发 BadImageFormatException。如果在安装 32 位 Oracle 客户端组件的情况下以 64 位模式运行，将出...“尝试加载 Oracle ...
Debian/Linux下安装OpenJDK8 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...T090326Z/pool/updates/main/o/openjdk-8/openjdk-8-jdk_8u322-b06-1~deb9u1_amd64.deb
wget http://snapshot.debian.org/archive/debian-security/20220210T090326Z/pool/updates/main/o/openjdk-8/openjdk-8-jdk-headless_8u322-b06-1~deb9u1_amd64.deb
wget http://snapshot.debian.org/archive/debian-security/20220...