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线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...就是Windows对象(句柄)和C++对象的一个映射，它是在窗口调用CWnd::Create()，CWnd::CreateEx()时，就添加到映射表里的。映射表的一个重要的特征，它只存于一个线程当中。当你在B线程使用A线程的窗口对象指针pWnd，B线程对此对象指针...
Find full path of the Python interpreter?
...OSTNAME ~
$ whereis python
python: /usr/bin/python /usr/bin/python3.4 /usr/lib/python2.7 /usr/lib/python3.4 /usr/include/python2.7 /usr/include/python3.4m /usr/share/man/man1/python.1.gz
kuvivek@HOSTNAME ~
$ which python3
/usr/bin/python3
kuvivek@HOSTNAME ~
$ command -v python
/usr/bin/pyth...
What are file descriptors, explained in simple terms?
...587 /bin/sleep
sleep 14726 root mem REG 8,1 11864720 1186503 /usr/lib/locale/locale-archive
sleep 14726 root mem REG 8,1 2030544 137184 /lib/x86_64-linux-gnu/libc-2.27.so
sleep 14726 root mem REG 8,1 170960 137156 /lib/x86_64-linux-gnu/ld-2.27.so
sleep 14726 root ...
Visual Studio: Relative Assembly References Paths
...
Yes, just create a directory in your solution like lib/, and then add your dll to that directory in the filesystem and add it in the project (Add->Existing Item->etc). Then add the reference based on your project.
I have done this several times under svn and under c...
How do I provide JVM arguments to VisualVM?
...
Should be able to modify the memory settings in %JDK_HOME%\lib\visualvm\etc\visualvm.conf
Xms and Xmx are in the default_options line.
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instantiate a class from a variable in PHP?
...re the full namespace path of a class.
MyClass.php
namespace com\company\lib;
class MyClass {
}
index.php
namespace com\company\lib;
//Works fine
$i = new MyClass();
$cname = 'MyClass';
//Errors
//$i = new $cname;
//Works fine
$cname = "com\\company\\lib\\".$cname;
$i = new $cname;
...
App Inventor 2 Encrypt.Security 安全性扩展：MD5哈希，SHA1和SHA256哈希...
...个变量，即RSA私钥和RSA公钥。
方法
BASE64Encode
此方法用于BASE64编码一个字符串。输入 plaintext
BASE64Decode
此方法用于BASE64解码字符串。输入 ciphertext
GenerateRsaKeyPair
此方法用于生成一对RSA加密/解密密钥（including a private key ...
Installing pip packages to $HOME folder
...lled in $HOME/.local/bin/hg and the rest of the hg package in $HOME/.local/lib/pythonx.y/site-packages/.
Note, that the above is true for Python 2.6. There has been a bit of controversy among the Python core developers about what is the appropriate directory location on Mac OS X for PEP370-style u...
Python multiprocessing PicklingError: Can't pickle
...eption in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 552, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 505, in run
self.__target(*self.__args, **self.__kwargs)
File "/usr/lib/python2.7/multiprocessing...
阿里的线下野心 - 资讯 - 清泛网 - 专注C/C++及内核技术
...
从支付到会员数据
有了“双11”的成功之鉴后，阿里已用了三年时间逐渐深耕线下实体商业市场，进行线上线下融合。
阿里旗下主攻实体商业的O2O平台喵街日前宣布，将于7月4日升级2.0版本，该版本中推出了通用积分系统“...