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What does “zend_mm_heap corrupted” mean
... 0x4C2F7E3: memcpy@@GLIBC_2.14 (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==9749== by 0x40061B: main (an.c:13)
==9749== Address 0x50 is not stack'd, malloc'd or (recently) free'd
==9749==
==9749==
==9749== Process terminating with default action of signal 11 (SIGSEGV): dumping co...
What is the difference between NaN and None?
...n reason to use NaN (over None) is that it can be stored with numpy's float64 dtype, rather than the less efficient object dtype, see NA type promotions.
# without forcing dtype it changes None to NaN!
s_bad = pd.Series([1, None], dtype=object)
s_good = pd.Series([1, np.nan])
In [13]: s_bad.dtype...
When to use std::size_t?
...duction of the --> "goes to" operator (see stackoverflow.com/questions/1642028/…). Have incorporated your suggestion into the answer.
– paxdiablo
Feb 15 '16 at 1:21
...
C++11 range based loop: get item by value or reference to const
...answered Mar 2 '13 at 15:33
Mr.C64Mr.C64
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How do I view all commits for a specific day?
...ceda1d653eed3346fcae8f5e6 Mike Slinn 2018-10-13 21:32:27 -0700 'a comment' 64d6e16 64d6e16338657b82c91ac94bea8ebf7b80dc4c28 Mike Slinn 2018-10-13 18:28:41 -0700 'nother comment' d5eb26e d5eb26e49fc9dceee9b9f5a2d8fa052bff2cfbbc Mike Slinn 2018-10-13 18:16:20 -0700 'no comment' d8a4992 d8a4992df208ba5...
Should IBOutlets be strong or weak under ARC?
...
PS: weak is a quite a bit cheaper in ARM64 :D
– hypercrypt
Dec 10 '13 at 22:11
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使用NPAPI编写浏览器插件的源码实例(windows 7/linux) - C/C++ - 清泛网 - ...
...器(chrome,firefox)的插件非常感兴趣搜了一下,讲的几乎全都是在讲的方法和A...用于种种原因,最近对制作浏览器(chrome,firefox)的插件非常感兴趣，搜了一下,讲的几乎全都是在讲的方法和API,找个简单可以运行的代码实例还真是难！
不...
xpath路径表达式笔记 - C/C++ - 清泛网 - 专注C/C++及内核技术
xpath路径表达式笔记简单说，xpath就是选择XML文件中节点的方法。所谓节点（node），就是XML文件的最小构成单位，一共分成7种。- element（元素节点）- attri...简单说，xpath就是选择XML文件中节点的方法。
所谓节点（node），就是XML...
C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
...imer，WaitForSingleObject( m_hCreatePackage, 0 ); 每次查状态，如果是WAIT_OBJECT_0，就说明完成了，然后KillTimer。
这种方式，当权限不足时（Win7以上非管理员运行），会无限等待....
2.---------------------CreateProcessAsUser-------------------
HANDLE ...
socket网络编程中read与recv区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...长度的数据，read 完一次需要判断读到的数据长度再决定是否还需要再次读取。
recv 原则：
recv 中有一个MSG_WAITALL 的参数:
recv(sockfd, buff, buff_size, MSG_WAITALL),
正常情况下recv 是会等待直到读取到buff_size 长度的数据，但是这...