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比尔盖茨“未来生活预言”的科技豪宅(图) - 资讯 - 清泛网 - 专注C/C++及内核技术
...来源于《CitizenKane》里 CharlesFosterKane虚构的房屋。
盖茨把岸边小山挖去一半,前临水、后倚山,堪称聚拢财气、卧虎藏龙的风水宝地。占地当然极为庞大,66000平方英亩,相当于几十个足球场。
据说,土木工程干了整整七年,...
Sort a list from another list IDs
... yield return t;
}
}
}
which will work if source does not zip exactly with order.
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List of tables, db schema, dump etc using the Python sqlite3 API
...e FROM sqlite_master WHERE type='table';").fetchall()
table_names = sorted(zip(*result)[0])
print "\ntables are:"+newline_indent+newline_indent.join(table_names)
for table_name in table_names:
result = cur.execute("PRAGMA table_info('%s')" % table_name).fetchall()
column_names = zip(*result...
App Inventor 2 文本代码块 · App Inventor 2 中文网
...文本中含有非数字内容,则赋值给数字后,数字变量自动变成文本变量,后续的数字计算会报错!
案例:数字转文本
App Inventor 2 是弱语言类型,同理数字也能直接赋值给文本变量:
切换 目...
Setting different color for each series in scatter plot on matplotlib
...in range(10)]
colors = cm.rainbow(np.linspace(0, 1, len(ys)))
for y, c in zip(ys, colors):
plt.scatter(x, y, color=c)
Or you can make your own colour cycler using itertools.cycle and specifying the colours you want to loop over, using next to get the one you want. For example, with 3 colours...
C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...始化字节数组
file.Read(array, 0, array.Length);//读取流中数据把它写到字节数组中
file.Close();//关闭流
string str = Encoding.Default.GetString(array);//将字节数组内容转化为字符串
Console.WriteLine(str);
将数据写入磁盘文件:
FileStream file = Fil...
How do you split a list into evenly sized chunks?
...old) Python documentation (recipes for itertools):
from itertools import izip, chain, repeat
def grouper(n, iterable, padvalue=None):
"grouper(3, 'abcdefg', 'x') --> ('a','b','c'), ('d','e','f'), ('g','x','x')"
return izip(*[chain(iterable, repeat(padvalue, n-1))]*n)
The current versi...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...])
{
// 获取文件的指针
FILE *fp = fopen("test.txt", "r");
// 把指针移动到文件的结尾,使用ftell获取文件长度
fseek(fp, 0 ,SEEK_END);
int len = ftell(fp);
// 定义数组长度
char *pBuf = new char[len + 1];
// 把指针移动到文件开头,因为我们...
技术人员如何创业《二》- 合伙人的模式 - 资讯 - 清泛网 - 专注C/C++及内核技术
...过当最后成东青理解孟晓骏当年在美国的遭遇,并且悄悄把之前孟晓骏待过的实验室以他的名字冠名,我当时就很羡慕这种共赴患难最后一起成功的兄弟是幸运和幸福的。说一下腾讯,他们几个合伙人从创办到2007年都是一直保...
Passing parameters to a Bash function
...kies. :-)
# $1 is the directory to archive
# $2 is the name of the tar and zipped file when all is done.
function backupWebRoot ()
{
tar -cvf - $1 | zip -n .jpg:.gif:.png $2 - 2>> $errorlog &&
echo -e "\nTarball created!\n"
}
# sh style declaration for the purist in you. ...