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How to prevent favicon.ico requests?
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@BT the server or the browser? :D
– Ionuț G. Stan
Jul 4 at 17:02
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...TING -i eth0 -s 192.168.0.0/16 -j DROP
如果我们想,比如阻止MSN,QQ,BT等的话,需要找到它们所用的端口或者IP,(个人认为没有太大必要)
例：
禁止与211.101.46.253的所有连接
[root@tp ~]# iptables -t nat -A PREROUTING -d 211.101.46.253 -j DROP
禁用FT...
Printing all global variables/local variables?
...es of a calling function use select-frame before info locals
E.g.:
(gdb) bt
#0 0xfec3c0b5 in _lwp_kill () from /lib/libc.so.1
#1 0xfec36f39 in thr_kill () from /lib/libc.so.1
#2 0xfebe3603 in raise () from /lib/libc.so.1
#3 0xfebc2961 in abort () from /lib/libc.so.1
#4 0xfebc2bef in _assert_c...
How can I reverse a NSArray in Objective-C?
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For obtaining a reversed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator.
For reversing a mutable array, you can add the following category to your code:
@implementation NSMutableArray (Reverse)
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How to get IP address of the device from code?
... The code only return first IP, a phone may have celluar, WIFI and BT address at same time
– reker
Jun 14 '18 at 8:04
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Advantage of switch over if-else statement
...ate the same code as a if-else chain, so you don't lose anything. If in doubt put the most common cases first into the switch statement.
In the best case the optimizer may find a better way to generate the code. Common things a compiler does is to build a binary decision tree (saves compares and ju...
How to generate a core dump in Linux on a segmentation fault?
...wered Jan 26 '10 at 13:46
t0mm13bt0mm13b
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How can I make SQL case sensitive string comparison on MySQL?
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@BT To make utf8 column case sensitive you could use bin colation like: SELECT 'email' COLLATE utf8_bin = 'Email'
– piotrekkr
Apr 23 '13 at 11:43
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More than 10 lines in a node.js stack error?
...r.stack from what I can see. Built-in debugger always displays full stack (bt command).
– x-yuri
Nov 17 '17 at 18:32
A...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...误的调试拉。
清泛网注：出现段错误的时候，使用 'bt' 命令即可查看堆栈信息，快速定位崩溃位置，是一个非常实用的gdb命令。
3）还有一个catchsegv命令
通过查看帮助信息，可以看到
Catch segmentation faults in program...