大约有 3,000 项符合查询结果（耗时：0.0154秒） [XML]
ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared - C/...
ThreadXxx.cc:100: error: ‘::pthread_kill’ has not been declared#include <pthread.h>#include <signal.h>除了pthread.h外，还要引入signal.h头文件才行，解决。#include <pthread.h>
#include <signal.h>
除了pthread.h外，还要引入signal.h头文件才行，解决。pthread_kill
9 句话看懂 Photoshop CC 2017 新功能 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术
9 句话看懂 Photoshop CC 2017 新功能一觉醒来看到朋友圈有 po 不少 Adobe Max 现场的图，羡慕之余只能赶紧更新一下新版、看看官方的更新通告，似乎没啥值得大书特书的，所...
一觉醒来看到朋友圈有 po 不少 Adobe Max 现场的图，羡慕...
App Inventor 2 列表代码块 · App Inventor 2 中文网
...对元素。
例如，如果列表为 [[a,apple], [d,Dragon], [,boxcar], [cat,100]]，则查找 b 将返回 boxcar。
如果列表中没有这样的对，则 在键值对中查找 将返回未找到参数。 如果 键值对 不是列表对，则操作将发出错误信号。
分隔符拼接成...
Find size of Git repository
...list of all files in the repo history:
git rev-list --objects --all | git cat-file --batch-check="%(objectsize) %(rest)" | cut -d" " -f1 | paste -s -d + - | bc
You can replace --all with a treeish (HEAD, origin/master, etc.) to calculate the size of a branch.
...
get all keys set in memcached
...v/tcp/localhost/11211
printf "%s\n%s\n" "$*" quit >&${memcache}
cat <&${memcache}
}
Memcached 1.4.31 and above
You can use lru_crawler metadump all command to dump (most of) the metadata for (all of) the items in the cache.
As opposed to cachedump, it does not cause severe perfo...
When to use Spring Integration vs. Camel?
...xternal parties which usually requires format conversions sending it using ftp/sftp/... or attaching it to an email and sending it out.
We found the edit-compile-debug cycle reduced. Using groovy to experiment setting up routes are added bonuses.
Spring-Integration is a great product too, and I am...
Combine two or more columns in a dataframe into a new column with a new name
...f$s)
df
# n s b x
# 1 2 aa TRUE 2 aa
# 2 3 bb FALSE 3 bb
# 3 5 cc TRUE 5 cc
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Linux反编译全攻略 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...在目录。运行“ objdump -x cm2 ”，显示如下：
代码:
[ncc2008@localhost]$ objdump -x cm2
cm2: file format elf32-i386
cm2
architecture: i386, flags 0x00000102:
EXEC_P, D_PAGED
start address 0x08048080
程序头：
LOAD off 0x00000000 vaddr 0x08048000 paddr 0x...
How do I determine k when using k-means clustering?
...t Bischof, Ales Leonardis, and Alexander Selb in Pattern Analysis and Applications vol. 2, p. 59-72, 1999.
Finally, you can start with one cluster, then keep splitting clusters until the points assigned to each cluster have a Gaussian distribution. In "Learning the k in k-means" (NIPS 2003), Greg ...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...T
[root@tp ~]# iptables -A INPUT -p tcp --dport 25 -j ACCEPT
如果做了FTP服务器,开启21端口
[root@tp ~]# iptables -A INPUT -p tcp --dport 21 -j ACCEPT
[root@tp ~]# iptables -A INPUT -p tcp --dport 20 -j ACCEPT
如果做了DNS服务器,开启53端口
[root@tp ~]# iptables -A INPUT -p t...