大约有 2,000 项符合查询结果(耗时:0.0155秒) [XML]
How to check if running in Cygwin, Mac or Linux?
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(SCO) UnixWare UnixWare
IBM AIX AIX
IBM i with QSH OS400
HP-UX HP-UX
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Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
... 是否正在发送s的发送缓冲中的数据,如果是就等待协议把数据发送完,如果协议还没有开始发送s的发送缓冲中的数据或者s的发送缓冲中没有数据,那么 send就比较s的发送缓冲区的剩余空间和len,如果len大于剩余空间大小send就...
Add SUM of values of two LISTS into new LIST
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The zip function is useful here, used with a list comprehension.
[x + y for x, y in zip(first, second)]
If you have a list of lists (instead of just two lists):
lists_of_lists = [[1, 2, 3], [4, 5, 6]]
[sum(x) for x in zip(*li...
How to import CSV file data into a PostgreSQL table?
...t article.
Solution paraphrased here:
Create your table:
CREATE TABLE zip_codes
(ZIP char(5), LATITUDE double precision, LONGITUDE double precision,
CITY varchar, STATE char(2), COUNTY varchar, ZIP_CLASS varchar);
Copy data from your CSV file to the table:
COPY zip_codes FROM '/path/to/csv...
How do I zip two arrays in JavaScript? [duplicate]
...otype.map()
const a = [1, 2, 3],
b = ['a', 'b', 'c'];
const zip = (arr1, arr2) => arr1.map((k, i) => [k, arr2[i]]);
console.log(zip(a, b)) // [[1, "a"], [2, "b"], [3, "c"]]
Using for loop
var a = [1, 2, 3],
b = ['a', 'b', 'c'];
var zip = [];
for (var i = ...
Finding differences between elements of a list
...
>>> t
[1, 3, 6]
>>> [j-i for i, j in zip(t[:-1], t[1:])] # or use itertools.izip in py2k
[2, 3]
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淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...宝详情上的定时上架功能,由于有些卖家为了吸引眼球,把价格压得很低。但这给的详情系统带来了很大压力,为了将这种突发流量隔离,才设计了秒杀系统,文章主要介绍大秒系统以及这种典型读数据的热点问题的解决思路和...
Where to find Java JDK Source Code? [closed]
... So I want the JDK Source Code.
Before I re-installed Linux I had the src.zip package with all the official source code in it. I just had to tell Eclipse where this file is and I could see the code. But now I don't have the file anymore...
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How to copy a directory structure but only include certain files (using windows batch files)
...if you can use ROBOCOPY, try this:
ROBOCOPY C:\Source C:\Destination data.zip info.txt /E
EDIT: Changed the /S parameter to /E to include empty folders.
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Download the Android SDK components for offline install
...itory/repository-7.xml
Search for <sdk:url>**android-2.3.1_r02-linux.zip**</sdk:url> under the api version which you want to download. This is the file name which you have to download. to download this file you have to type following URI in any downloader or browser and it will start do...