大约有 40,000 项符合查询结果（耗时：0.0290秒） [XML]
How to return result of a SELECT inside a function in PostgreSQL?
...REATE OR REPLACE FUNCTION word_frequency(_max_tokens int)
RETURNS TABLE (txt text -- also visible as OUT parameter inside function
, cnt bigint
, ratio bigint) AS
$func$
BEGIN
RETURN QUERY
SELECT t.txt
, count(*) AS cnt -- column al...
Confused by python file mode “w+”
... you'd do something like this to read from your file:
with open('somefile.txt', 'w+') as f:
# Note that f has now been truncated to 0 bytes, so you'll only
# be able to read data that you write after this point
f.write('somedata\n')
f.seek(0) # Important: return to the top of the f...
10 条真心有趣的 Linux 命令 - 创意 - 清泛网 - 专注C/C++及内核技术
...
5.asciiquarium
这个命令会将你的终端变成一个海洋馆。
下载term animator：
# wget http://search.cpan.org/CPAN/authors/id/K/KB/KBAUCOM/Term-Animation-2.4.tar.gz
安装并且配置这个包：
# tar -zxvf Term-Animation-2.4.tar.gz
# cd Term-Animation-2.4/
# perl Makefile...
[工程源码实例] C++ ADO 读写Excel源码及注意点 - C/C++ - 清泛网 - 专注C/C++及内核技术
[工程源码实例] C++ ADO 读写Excel源码及注意点工程源码下载：excel-ado.zip运行结果截图：生成的Ｅｘｃｅｌ截图：主要代码片段： 导入Excel COM支持。。。不过程序编译后即使客户机没...工程源码下载：excel-ado.zip
运行结果截图：...
MultiPlatform版OBS（Open Broadcaster Software）流媒体视频开源软件安装...
...考：https://github.com/jp9000/obs-studio/wiki/Install-Instructions
QT下载地址：https://www.tsingfun.com/down/soft/51.html
QTDIR: D:\Qt\Qt5.4.2\5.4\msvc2012_opengl
（注意：由于该项目中很多代码采用C99标准，而VS2012及以下版本不支持C99，VS2013才开始支...
兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术
..."100">
</span>
</div>
</div>
</body>
</html>
clipboard.swf 的下载地址：http://www.jeffothy.com/weblog/uploads/clipboard.php
但是 Flash 10 时代，上面的方法已经不行了。
因为flash10中规定了只有在swf上进行了真实的操作（比如鼠标点击）才能...
App Inventor 2 实现商业级APP启动屏幕效果(SplashScreen) · App Inventor 2 中文网
...
启动屏幕效果
实现原理
源码下载
« 返回首页
启动屏幕效果
实现的功能包括：启动App时展示启动屏，右上角展示5秒倒计时，中途可点击跳过。倒计时结束或点击跳过，则跳转到主界面。效果如下...
Pro Camera 扩展：专业级自定义相机，提供滤镜、降噪、对焦等高级功能 · A...
...能
Pro Camera 扩展
下载链接
功能概述
扩展特性
截图
主要界面
手动对焦
函数
事件
属性
使用示例 ...
Creating an empty file in Ruby: “touch” equivalent?
...and mirrors* the touch command:
require 'fileutils'
FileUtils.touch('file.txt')
* Unlike touch(1) you can't update mtime or atime alone. It's also missing a few other nice options.
share
|
improv...
What's the best practice for putting multiple projects in a git repository? [closed]
...it checkout thesis
echo "the meaning of meaning" > philosophy_doctorate.txt
git add philosophy_doctorate.txt
git commit -m "Ph.D"
Switch back and forth
Go back and forwards between projects whenever you like.
This example goes back to the chess software project.
git checkout software
echo "w...