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什么是 Hex 编码方式？AppInventor 支持 Hex 编码传输吗？ - App Inventor ...
Hex 编码方式通常指：
将二进制数据按十六进制文本形式表示。
也就是：binary data → hex string
使用 ByteArray 拓展可以转换 Hex 编码。
https://www.fun123.cn/reference/ ... l#ByteArray-Methods
What's the difference between Require.js and simply creating a element in the DOM? [closed]
... define statements, configuration files, collisions with other systems and libraries that haven't implemented the AMD specification, etc. I tried using Require.JS in a node-webkit project, and Require.JS fought me every step of the way... Contrast that with simply ordering scripts in a certain manne...
DLL and LIB files - what and why?
I know very little about DLL's and LIB's other than that they contain vital code required for a program to run properly - libraries. But why do compilers generate them at all? Wouldn't it be easier to just include all the code in a single executable? And what's the difference between DLL's and LIB's...
How to import classes defined in __init__.py
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'lib/'s parent directory must be in sys.path.
Your 'lib/__init__.py' might look like this:
from . import settings # or just 'import settings' on old Python versions
class Helper(object):
pass
Then the following exam...
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...le to a 64 bit target. Based on my research, I have installed the g++-multilib package.
8 Answers
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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
How can I get GLIBCXX_3.4.15 in Ubuntu? I can't run some programs that I'm compiling.
19 Answers
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Eclipse cannot load SWT libraries
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on my Ubuntu 12.04 32 bit. I edit the command to:
ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86/
And on Ubuntu 12.04 64 bit try:
ln -s /usr/lib/jni/libswt-* ~/.swt/lib/linux/x86_64/
share
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Maven: missing net.sf.json-lib
I found net.sf.json-lib in the central repository . Copy-pasted the dependency (with version 2.3), and then when I build I get this error:
...
Hadoop “Unable to load native-hadoop library for your platform” warning
...doop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
Here is the way if you do want to eliminate this warning, download...
Which version of Python do I have installed?
...ut for a single Python installation should look something like this:
/usr/lib64/python2.7/site.py
/usr/lib64/python2.7/site.pyc
/usr/lib64/python2.7/site.pyo
Multiple installations will have output something like this:
/root/Python-2.7.6/Lib/site.py
/root/Python-2.7.6/Lib/site.pyc
/root/Python-2...