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Linux 进程卡住了怎么办? - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...很多常用的调试工具,比如 strace, pstack 等也都失灵了,是怎么回事?
此时,我们使用 ps 查看进程列表,可以看到卡住的进程状态显示为 D。
man ps 中描述 D 状态是 Uninterruptible Sleep。
Linux 进程有两种睡眠状态:
Interrupt...
Programmatically get the cache line size?
...
On x86, you can use the CPUID instruction with function 2 to determine various properties of the cache and the TLB. Parsing the output of function 2 is somewhat complicated, so I'll refer you to section 3.1.3 of the Intel Proces...
Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine
... I had the same issue. I changed the application configuration to x86, then it worked!
– s.k.paul
Jul 18 '13 at 4:31
9
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Signed versus Unsigned Integers
...
GregGreg
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为什么我们程序员写不出好代码? - 杂谈 - 清泛网 - 专注C/C++及内核技术
...复数进行统计,并且作用一种衡量标准。他们认为,统计是一种衡量,而衡量肯定是有好处的。
然后他们根据此标准为开发者的工作能力进行排名。开发者犹如网络游戏中的玩家,他们将更加关心自己的排名,而不是如何让代...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...13f3: (106) Invalid instruction 0x00dd
printf crashes. "O_O"
gcc 4.4@x86_64-suse-linux
We like to think that:
..05 int has the size of pointers
but 'sizeof(int)==sizeof(void*)' is false.
..08 overshifting is okay
but '(1<<bits_per_int)==0' is false.
..09a minus shifts backwards
but '(t=-...
How to ALTER multiple columns at once in SQL Server
...NONCLUSTERED
(
Diary_ID
) WITH( PAD_INDEX = OFF, FILLFACTOR = 86, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON T3_Data_2
GO
CREATE UNIQUE CLUSTERED INDEX tblDiary_ID ON dbo.tblDiary
(
Diary_ID
) WITH( PAD_INDEX = OFF, F...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...了22,80,25端口.
如果你在安装linux时没有选择启动防火墙,是这样的
[root@tp ~]# iptables -L -n
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destinati...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...变量以外不依赖于任何环境(包括static),这样的函数就是purecode(纯代码)可重入,可以允许有该函数的多个副本在运行,由于它们使用的是分离的栈,所以不会互相干扰。一、可重入(reentrance)函数:
首先来看下APUE中,列出...
解决:CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...SetCheck / GetCheck来设置和获取指定
节点的选择状态。
但是奇怪的是,在对话框中按照常规的方法使用了SetCheck,最后CTreeCtrl并没有显示节点被选
中,下面是测试例子:
1、用wizard创建一个对话框工程,并且在上面放置一个CTr...
