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php Replacing multiple spaces with a single space [duplicate]
I'm trying to replace multiple spaces with a single space. When I use ereg_replace , I get an error about it being deprecated.
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Pairwise crossproduct in Python [duplicate]
How can I get the list of cross product pairs from a list of arbitrarily long lists in Python?
3 Answers
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How do I update the element at a certain position in an ArrayList? [duplicate]
I have one ArrayList of 10 String s. How do I update the index 5 with another String value?
5 Answers
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Remove duplicate entries using a Bash script [duplicate]
I want to remove duplicate entries from a text file, e.g:
4 Answers
4
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How to create user for a db in postgresql? [closed]
I have installed PostgreSQL 8.4 on my CentOS server and connected to root user from shell and accessing the PostgreSQL shell.
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linux ls、ll命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
linux ls、ll命令详解ls只是简单的列出目录下文件名，ll更加详细的列出了文件的类型、文件所有者权限、文件所有者组权限、文件大小、文件最后修改时间。ls只是简单的列出目录下文件名，ll更加详细的列出了文件的类型、文件...
通过API获取IP信息、IP归属地 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...p://ip.taobao.com/service/getIpInfo.php?ip=8.8.8.8
{"code":0,"data":{"country":"\u7f8e\u56fd","country_id":"US","area":"","area_id":"","region":"","region_id":"","city":"","city_id":"","county":"","county_id":"","isp":"","isp_id":"","ip":"8.8.8.8"}}
注意：返回的json中有嵌套，解析时...
内网时间同步问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...证足够的走时精度，从而避免调整时钟。
48 */1 * * * /usr/sbin/ntpdate -u 172.16.58.40 172.16.58.14 172.23.32.142 172.24.18.141 172.24.147.11
1 1 * * * /sbin/hwclock -w
目前 Linux 系统上面有两个时间喔，一个是 Linux 系统，另一个则是 BIOS 时间(真...
MIT官方已升级至2.71版本，几乎就是仅增加一个全新主题 - App Inventor 2 ...
2.71 版本主要更新内容：Changes between nb196 and nb197 (July 7, 2024)
This is a component release which includes bugfixes and improvements. It includes a new Android MIT AI2 Companion versions 2.71 (from Google Play) and 2.71u (directly downloaded from MIT App Inventor).
Features:
Ne...
大模型拓展接入 kimi 报错？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
Error 3300: Error 429 in extension LLMAI2Ext:
HTTP Error 429: {"error": {"message"."Your account org-d7ccde2140934cbc85d
ea0b696cb99c2 u003cak-f
3ihf3beyqfi11hf6zk1\u003e
request reached organization max RPM: 3, please try again after 1 seconds","type"...