大约有 40,000 项符合查询结果（耗时：0.0371秒） [XML]
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...m
def reader():
"""A generator that fakes a read from a file, socket, etc."""
for i in range(4):
yield '<< %s' % i
def reader_wrapper(g):
# Manually iterate over data produced by reader
for v in g:
yield v
wrap = reader_wrapper(reader())
for i in wrap:
pr...
How to find memory leak in a C++ code/project?
..._ptr will not work with standard containers such as std::vector, std::list etc. See this : stackoverflow.com/questions/111478/…
– Nawaz
Jun 7 '11 at 6:32
...
Where to get “UTF-8” string literal in Java?
... a Charsets class with static fields like Charsets.UTF_8, Charsets.UTF_16, etc.
Since Java 7 you should just use java.nio.charset.StandardCharsets instead for comparable constants.
Note that these constants aren't strings, they're actual Charset instances. All standard APIs that take a charset nam...
Converting a string to a date in JavaScript
...parts[1]); JavaScript counts months from 0:
// January - 0, February - 1, etc.
var mydate = new Date(parts[0], parts[1] - 1, parts[2]);
console.log(mydate.toDateString());
share
|
improve ...
社交应用组件 · App Inventor 2 中文网
...ns a list of the most recent messages mentioning the logged-in user.
Initially, the list is empty. To set it, the program must:
Call the Authorize method.
Wait for the IsAuthorized event.
Call the RequestDirectMessages method.
4, Wait for the DirectMessagesReceived event.
...
Do I need dependency injection in NodeJS, or how to deal with …?
...ter name)
var db = require('whichever_db_vendor_i_use');
module.exports.fetchConnection() = function() {
//logic to test connection
//do I want to connection pool?
//do I need only one connection throughout the lifecyle of my application?
return db.createConnection(port, host, d...
What integer hash function are good that accepts an integer hash key?
...tegers that are divisible by a common factor (word-aligned memory adresses etc.). Now if your hash table happens to be divisible by the same factor, you end up with only half (or 1/4, 1/8, etc.) buckets used.
– Rafał Dowgird
Mar 20 '09 at 16:56
...
一个快速将时间字符串转换为毫秒数的小Tip - 建站技术 - 清泛IT论坛，有思...
...右键”审查元素“，或直接 F12
有时需要用到毫秒数的时候，就不用再写个程序那么麻烦啦，^_^
注：此毫秒数是自1970年1月1日零时零分零秒起至指定时间的毫秒总数。
这个小妙招不错★龙◎ 发表于 2015-12-01 09:10
这个小...
交作业 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...4:26 编辑
第一课作业提交: 第一课讲的是关于“撸猫”的简单程序，作业中没有使用加速度传感器，而是增加了“狗”以及猫和狗之间切换的程序，点击按钮二与按钮三即可切换。
标题尽量写详细一些哦，...
[es6] import, export, default cheatsheet - 更多技术 - 清泛网 - 专注C/C++及内核技术
...mport-export-default-require-commandjs-javascript-nodejs-es6有四种类型的导出：1、命名导出（每个模块可以有多个）2、默认导出（每个模块一个）3、混合命名和默认导出4、循环依赖1 Nameexports ------ lib js ------export const sqr
有四种类型的...