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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...
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...
New to MongoDB Can not run command mongo
...applies that you also see the lock file):
first>youridhere@ubuntu:/var/lib/mongodb$ sudo service mongodb start
then >youridhere@ubuntu:/var/lib/mongodb$ sudo rm mongod.lock*
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TypeError: p.easing[this.easing] is not a function
...tion to only include the easing in the download, or at least just the base library plus easing.
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How to inspect the return value of a function in GDB?
... as "ppc64-yellowdog-linux-gnu"...
(no debugging symbols found)
Using host libthread_db library "/lib64/libthread_db.so.1".
(gdb) break __libc_start_main
Breakpoint 1 at 0x10013cb0
(gdb) r
Starting program: /bin/ls
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols foun...
How do I check whether a checkbox is checked in jQuery?
...ggle(this.checked);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="checkbox" id="isAgeSelected"/>
<div id="txtAge" style="display:none">Age is something</div>
...
Removing an item from a select box
...e='option1']").remove();
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select name="selectBox" id="selectBox">
<option value="option1">option1</option>
<option value="option2">option2</option>
<option...
How do I auto-submit an upload form when a file is selected?
...target').submit();
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<form id="target" action="destination.html">
<input type="file" id="file" value="Go" />
</form>
...
How to make System.out.println() shorter
Please advice on where can I find the lib in order to use the shorter expression of System.out.println() and where should I place that lib.
...
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 ...