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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...我们 发布日志 服务条款 教育 中文教程 中文社区 反馈 我要反馈 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d28...
How can I detect when an Android application is running in the emulator?
...or example , using 10.0.2.2 instead of a public URL to run against a development server automatically.) What is the best way to detect when an Android application is running in the emulator?
...
Create a date from day month and year with T-SQL
...@DayOfMonth INT,
@Hour INT = 0, -- based on 24 hour clock (add 12 for PM :)
@Min INT = 0,
@Sec INT = 0
)
RETURNS DATETIME
AS
BEGIN
RETURN DATEADD(second, @Sec,
DATEADD(minute, @Min,
DATEADD(hour, @Hour,
DATEADD(day, @DayOfMonth - 1,
...
socket.error: [Errno 48] Address already in use
...he other process first:
$ ps -fA | grep python
501 81651 12648 0 9:53PM ttys000 0:00.16 python -m SimpleHTTPServer
The command arguments are included, so you can spot the one running SimpleHTTPServer if more than one python process is active. You may want to test if http://localhost:8000/...
Visual Studio “Find” results in “No files were found to look in. Find stopped progress.”
...
According to this thread:
Posted by Microsoft on 10/13/2009 at
4:33 PM
Hi all,
Thank you for your continued interest
in this bug. We have been able to
reproduce the issue intermittently in
several versions of Visual Studio
running on several versions of Windows
and have i...
Get current time in seconds since the Epoch on Linux, Bash
...o the value provided. For example, if you execute the above command at 4:19PM, without the '00:00:00' part, it will add the time automatically. Such that "Oct 21 1973" will be parsed as "Oct 21 1973 16:19:00". That may not be what you want.
To convert your timestamp back to a date:
$ date -j -r 12...
How to use System.Net.HttpClient to post a complex type?
...PostUrlEncodedAsync(data).ReceiveString();
Flurl is available on NuGet:
PM> Install-Package Flurl.Http
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Mac SQLite editor [closed]
...
I would say, having used MSSQL, Oracle Toad and phpMyAdmin, SQLiteManager for FireFox is by far the best one I've used. All most common operations are just there in front of you. Recently I began using Sequel Pro which is similar to SQLite Manager for Firefox and seems very ...
How do you use the ? : (conditional) operator in JavaScript?
...he example creates a string
containing "Good evening." if it is
after 6pm. The equivalent code using
an if...else statement would look as
follows:
var now = new Date();
var greeting = "Good";
if (now.getHours() > 17)
greeting += " evening.";
else
greeting += " day.";
From MSDN J...
How can you list the matches of Vim's search?
...ep -v .git \| grep -v .log`
" :vimgrep /srch/ `find . -type f -name '*.pm' -o -name '*.pl'`
"
" how-to search for the "srch" from the current dir recursively in the shell
" vim -c ':vimgrep /srch/ `find . -type f \| grep -v .git \| grep -v .log`'
"
" how-to highlight the afte...