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root.python-eggs

occurred while trying to extract file(s) to the Python eggcache:   Permission denied: root.python-eggs The Python egg cache directory is currently set to:   root.python-eggs解决办法:让开发在代码中声明一下环境变量。

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Python eggs异常

最近在使用Python的时候发现有异常,异常内容为python-eggs is writable ……,详细异常如下:usrlocallibpython2.7site-packagessetuptools -24.0.2-py2.7.eggpkg_resources__init__.py:1268: UserWarning: homehduser06.python-eggs is writable by 最后探讨问题,发现是由于权限问题导致,解决办法:cd homehduser06chmod g-wx,o-wx .python-eggs

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    Ubuntu 20.04系统备份SystemBack+Penguins Eggs

    Penguins Eggs支持如下:arm64armeli386amd64penguins-eggs 是一个控制台实用程序,正在积极开发中,它允许重新管理系统并将其重新分发为 iso 映像或通过 PXE penguins-eggs,目前2021可能是一个成熟的工具,非常有用,可以轻松创建您的个人定制iso或组织学校版本的Linux并将其部署在局域网上,将其作为USB密钥送给朋友或在互联网上发布鸡蛋! 试试 penguins-eggs 是的,它是一个控制台实用程序 - 没有 GUI - 但不要害怕, penguins-eggs 是一个控制台命令 - 真的很简单 - 如果你能够打开一个终端,你可以使用它 Eggs 将在 armel 和 arm64 架构上运行,但我们需要为此构建生成一个新的 UEFI 部分。Screenshot from 2021-06-10 11-06-44.png

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    python开发_function annotations

    __annotations__)... print(Arguments:, ham, eggs)...>>> f(wonderful)Annotations: {eggs: , return: Nothing __annotations__)3 print(Arguments:, ham, eggs)4 5 f(wonderful)运行效果:Python 3.3.2 (v3.3.2:d047928ae3f6, 总结:def f(ham: 42, eggs: int = spam) -> Nothing to see here: print(Annotations:, f. __annotations__) print(Arguments:, ham, eggs) #def关键字定义了函数f,在函数f中有两个参数:ham,eggs。 #其中ham没有默认值,而eggs是由默认值的,其默认值为spam.

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    python 列表

    以后的元素>>> ls #查找从索引3以前的元素>>> ls # 查找从索引1到4(不包含4)的元素>>> ls #逆向查询tail>>> View Code 2.2.3:切片可根据步长实现功能 >>> eggs = >>> eggs View Code 2.2.4:通过切片实现列表元素变更位置 >>> eggs = >>> eggs = 鹅蛋>>> eggs = 鸭蛋>>> eggs View Code 2.3 :删除元素2.3.1:通过索引,删除元素 >>> eggs = >>> del eggs>>> eggs View Code 2.3.2:直接删除整个列表 >>> eggs = >>> del eggs >>> eggsTraceback (most recent call last): File , line 1, in eggsNameError: name eggs is not defined View Code 2.3.3:pop()方法 >>> eggs = >>> eggs.pop() #删除最后一个参数并返回鹌鹑蛋>>> eggs View Code >>> eggs = >>> eggs.pop

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    Python学习记录

    def func(): global eggs eggs = spam eggs = 42func()print(eggs)-----------------------spam------------ ----------- def func(): #global eggs eggs = spam eggs = 42func()print(eggs)-----------------------42- >>> items = {apples: 5, caps: 2}>>> items.get(eggs, 0)>>> 0 10.运行pip install,报错 Could not find a version

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    async和await的使用总结 ~ 竟然一直用错了c#中的async和await的使用。。

    sw = new Stopwatch(); sw.Start(); Coffee cup = PourCoffee(); Console.WriteLine(coffee is ready); Egg eggs ); Console.WriteLine(cooking the eggs ...); await Task.Delay(3000); Console.WriteLine(Put eggs on plate = await eggsTask;Console.WriteLine(eggs are ready); Task baconTask = FryBaconAsync(3);Bacon bacon = 而对于直接 Egg eggs = await FryEggsAsync(2); 的方式,适用于你只需要等待这一个异步操作结果,不需要进行其他操作的时候。 ); Console.WriteLine(cooking the eggs ...); await Task.Delay(3000); Console.WriteLine(Put eggs on plate

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    超级!超级!超级好用的视频标注工具

    =homecmcross.python-eggs WSGIProcessGroup www-data ServerName 0.0.0.0 DocumentRoot homecmcrossvaticpublic error2usrlocallibpython2.7dist-packagespkg_resources__init__.py:1298: UserWarning: homesuker.python-eggs 还不行的话:$ sudo usermod -a -G mou www-data$ sudo mkdir varwww.python-eggs$ sudo chown www-data:www-data varwww.python-eggs$ sudo apache2ctl graceful注意:.python-eggs是隐藏文件,‘ctrl+H可以查看,在按一次隐藏。 我的.python-eggs里面没有东西,我删除了homex下的三个文件夹pyvisionturkicvatic重装一遍。mou是你的主机名。

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    python报错

    error occurred while trying to extract file(s) to the Python eggcache: Permission denied: root.python-eggs The Python egg cache directory is currently set to:   root.python-eggs Perhaps your account does not PYTHON_EGG_CACHE environmentvariable to point to an accessible directory.解决方法:去掉homehimalayas.python-eggs himalayas  4096 Aug 14 15:43 .python-eggsdrwxr--r--   5 himalayas himalayas  4096 Aug 14 15:43 .python-eggs

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    Linux下Python连接MySQL异

    结果现在直接使用MySQLdb连接数据库时异常:usrlibpython2.7dist-packagespkg_resources.py:1031: UserWarning: homehuayuan.python-eggs MySQLdb.Error, e:    print MySQL Error: %d %s % (e.arg, e.arg)一开始就很容易认为是权限不足,依照提示在Linux终端将homehuayuan.python-eggs 增加读写权限:chmod a+rw homehuayuan.python-eggs结果问题依旧,后来经过反复搜索,终于找到答案,原来不是要增加权限,而是要减掉一些权限,最终有效答案如下:chmod g-wx , o-wx homehuayuan.python-eggs

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    设计模式:装饰者模式

    return new List {BcType.None}; } public string Description() { List types = _batterCake.Type(); int eggs index < count; index++) { if (types == BcType.SdCakeType) battercakies++; if (types == BcType.EggType) eggs > 0) description.Append(鸡蛋).Append(eggs).Append(个).Append(n); if (sausage > 0) description.Append(烤肠 override { return list{ BcType::None }; } string description() { list types = m_batter->type(); int eggs ; if (battercakies > 0) description.append(煎饼).append(std::to_string(battercakies)).append(个n); if (eggs

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    Swif Array

    现在有四项了 shoppingList +=   shoppingList 现在有七项了 可以直接使用下标语法来获取数组中的数据项 var firstItem = shoppingList    第一项是 Eggs 也可以用下标来改变某个已有索引值对应的数据值: shoppingList = Six eggs   其中的第一项现在是 Six eggs 而不是 Eggs利用下标来一次改变一系列数据值 shoppingList index, value) in shoppingList.enumerate() { print(Item (String(index + 1)): (value)) } Item 1: Six eggs

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    python

    如果在一个函数的顶部有global eggs的代码,就说明eggs指的是全局变量。或者:如果在函数中,既没有赋值语句,也没有针对它的global语句,是全局变量。 def spam(): eggs = 1000 return eggs spam()1000# 同理局部变量不能使用其他局部变量def ehbio(): eggs = 99 spam() print(eggs ) def spam(): eggs = 0 return eggs ehbio()99spam()0# 全局变量在局部作用域中使用def spam(): print(eggs) eggs = 28spam ()28print(eggs)28# 尽量避免名称相同的局部变量和全局变量def spam(): eggs = spam local print(eggs) # 输出spam local def bacon (): eggs = bacon local print(eggs) # 输出bacon local spam() print(eggs) # 输出bacon local eggs = globalbacon

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    python函数注释,参数后面加冒号:,

    函数注释示例:def f(ham: 42, eggs: int = spam) -> Nothing to see here: print(函数注释, f. __annotations__) print(参数值打印, ham, eggs) print(type(ham),type(eggs)) f(www)返回信息:函数注释 {ham: 42, eggs:

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    python之pprint

    stuff = >>> stuff.insert(0, stuff)>>> pp = pprint.PrettyPrinter() #采用默认值>>> pp.pprint(stuff), spam, eggs lumberjack, knights, ni] >>> pp = pprint.PrettyPrinter(indent=4)    #缩进为4>>> pp.pprint(stuff), spam, eggs , lumberjack, knights, ni] >>> tup = (spam, (eggs, (lumberjack, (knights, (ni, (dead,...  fresh fruit,))))))))>>> pp =pprint.PrettyPrinter(depth=6)    #深度为6,所有只显示了6层>>> pp.pprint(tup)(spam, (eggs

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    Python3学习笔记 | 七、Python的类型与运算-字典

    blog.csdn.netu014291497articledetails510521393、字典的比较>>> Quentities = {toast: 45,muffin: 23,ham: 78,spam: 56,eggs : 89}>>> max(Quentities)toast>>> min(Quentities)eggs我们发现,这里比较的是“键”,而不是相应的“值”,这里使用zip()函数将Quentities字典中的 blog.csdn.neteric_sunaharticledetails20551087>>> max(zip(Quentities.values(),Quentities.keys()))(89, eggs 上面使用sorted进行排序,更改顺序只需要加reverse=True另外一种字典比较方式:>>> Quentities = {toast: 45,muffin: 23,ham: 78,spam: 56,eggs 89}>>> sorted(zip(Quentities.values(),Quentities.keys()))>>> max(Quentities,key=lambda k: Quentities)eggs

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    Python快速学习第二天

    *s  % (5,Guido van Rossum)Guido2、简单转换>>> Price of eggs:$%d % 43Price of eggs: $43>>> Price of eggs:$% x % 43Price of eggs: $2b>>> pi: %f...

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    python高级算法与数据结构:使用treap实现双索引1

    95) parent: (Beer, 76) left: None right: None(Butter, 86) parent: (Beer, 76) left: None right: None(Eggs parent: (Beer, 76) left: None right: None(Cabbage, 77) parent: (Beer, 76) left: (Butter, 86) right: (Eggs , 129)(Butter, 86) parent: (Cabbage, 77) left: None right: None(Eggs, 129) parent: (Cabbage, 77) left , 129)(Butter, 86) parent: (Cabbage, 75) left: None right: None(Eggs, 129) parent: (Cabbage, 75) left 95) parent: (Beer, 76) left: None right: None(Butter, 86) parent: (Beer, 76) left: None right: None(Eggs

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    python中类的魔术方法

    self.cont            result += > + other.cont            print(result)        spam = SpecialString(spam)eggs  = SpecialString(eggs)spam > eggs # result >>>>spam>eggse>spam>ggseg>spam>gsegg>spam>seggs>spam>>>类似容器的魔术方法

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    Python3学习笔记 | 五、Python的类型与运算-字符串(下)

    例:‘What do you like, {0}, {1} or {2}’.format(“spam”, “eggs”, “ham”)结果是’What do you like, spam, eggs, ham’也可以换顺序 :‘What do you like, {2}, {1} or {0}’.format(“spam”, “eggs”, “ham”)结果是’What do you like, ham , eggs, spam’也可以使用相应的名字‘What do you like, {ham}, {0} or {eggs}’.format(“spam”, eggs=”eggs”, ham=”ham” )结果是’What do you like, ham, spam, eggs’具体格式为:{fieldname!

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