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How do I output coloured text to a Linux terminal?
...
You need to output ANSI colour codes. Note that not all terminals support this; if colour sequences are not supported, garbage will show up.
Example:
cout << "\033[1;31mbold red text\033[0m\n";
Here, \033 is the ESC character, ASCII 27. It is followed by [, then zero o...
What do *args and **kwargs mean? [duplicate]
... @PaulD.Waite: No problem. I wonder how many rookies found this error by trying to use your code, but were telling themselves "I must be doing something wrong here, this answer has so many votes" ;) Another upvote from me, because it is very clear and very good.
– Ta...
PHP code to convert a MySQL query to CSV [closed]
...ELECT * FROM table_name";
$export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) );
$fields = mysql_num_fields ( $export );
for ( $i = 0; $i < $fields; $i++ )
{
$header .= mysql_field_name( $export , $i ) . "\t";
}
while( $row = mysql_fetch_row( $export ) )
{
$line...
Generate random numbers with a given (numerical) distribution
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@stackoverflowuser2010: It shouldn't matter (modulo errors in floating point)
– sdcvvc
Jun 7 '13 at 12:52
...
Are lists thread-safe?
...s but keep the numbers big enough and run a few times and you will see the error
The FLAWED version
import threading
import time
# Change this number as you please, bigger numbers will get the error quickly
count = 1000
l = []
def add():
for i in range(count):
l.append(i)
tim...
模拟器怎么让程序重新加载？不用重置连接，一个菜单就搞定 - AI 助手 - 清...
...启动一次模拟器？
解答：
其实很简单，不用重置连接再重新启动模拟器。
在已经正常连接好的状态下，点击顶部菜单栏的 连接 菜单，选择 刷新AI伴侣屏幕 就可以了。
这个操作会让模拟器（或手机AI Companion）强...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...前几篇文章。
任意登陆一个机器，比如登陆192.168.0.136，连接mongodb
#设置第一个分片副本集
/data/mongodbtest/mongodb-linux-x86_64-2.4.8/bin/mongo 127.0.0.1:22001
#使用admin数据库
use admin
#定义副本集配置
config = { _id:"shard1", members:[
...
'printf' vs. 'cout' in C++
...iceable when you print many arguments. If you have to write something like Error 2: File not found., assuming error number, and its description is placeholder, the code would look like this. Both examples work identically (well, sort of, std::endl actually flushes the buffer).
printf("Error %d: %s....
Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
...化。可以使用哪些HTML标签取决于Android系统的实现。有关提示，请参见：
Mark Murphy’s Technical Stuff
Daniel Lew’s Coding Thoughts
关于权限
Android 13（SDK版本33）引入了 Manifest.permission.POST_NOTIFICATIONS 权限。必须授...
What really happens in a try { return x; } finally { x = null; } statement?
... return 3;
} finally {
// This is not a compile error!
// Return value unchanged, Store new value referenced variable
i = 3000;
}
}
}
Like any other flow construct "try-return-finally" has its place and can allow for cleaner looking co...