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AppInventor2能否用网络摄像头的实时画面作为屏幕的背景？ - App应用开发 -...
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思路：
1、目前原生组件无法直接实现这个功能，屏幕背景只能是图片，不能是网址。（已证伪）
2、考虑使用“Web客户端”读取url，短间隔定时保存图片，将图片设置到屏幕背景中。（”Web浏览器“...
Git log to get commits only for a specific branch
...z <lorenzo@users.noreply.github.com>
| | Date: Tue Aug 30 08:01:59 2016 +0200
| |
| | Merge pull request #9367 from cakephp/fewer-allocations
| |
| | Do fewer allocations for simple default values.
| |
| * commit 0459a35689fec80bd8dca41e31d244a126d9e15e
| | Author: Mark Story <mar...
SQL Server Installation - What is the Installation Media Folder?
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On 2016-02-05 I tried the rename to .zip suggestion on Windows 10 w/SQL Server Express 2012 - and it will not extract. Yet, what I did was start the install, notice the tmp folder that was created, copied the contents of the fo...
Faster way to develop and test print stylesheets (avoid print preview every time)?
... 3. For the Emulate CSS Media dropdown, select print.
UPDATE 29/02/2016
The DevTools docs have moved and the above link provides inaccurate information. The updated docs regarding Media type emulation can be found here: Preview styles for more media types.
Open the DevTools emulation dr...
PHP: Return all dates between two dates in an array [duplicate]
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fail with example: createDateRangeArray('2016-10-30','2016-11-01')
– Kelvin
Nov 24 '16 at 7:00
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How to get client's IP address using JavaScript?
...g client-side and most end users will never exceed the quota.
UPDATES
2/1/2016: Removed Telize (no longer offers free plan)
4/18/2016: Removed freegeoip.net (out of service)
4/26/2016: Added DB-IP
4/26/2016: Added Hacker Target
7/6/2016: Reinstated freegeoip.net
7/6/2016: Removed ip-json.rhcloud.co...
What's best SQL datatype for storing JSON string?
...CHAR(MAX) versions, which store up to 2 GByte of data.
Update: SQL Server 2016 will have native JSON support - a new JSON datatype (which is based on nvarchar) will be introduced, as well as a FOR JSON command to convert output from a query into JSON format
Update #2: in the final product, Microso...
How to display gpg key details without importing it?
...014-03-26 [E] [expires: 2020-09-03]
sub rsa4096 2014-11-22 [A] [revoked: 2016-03-01]
sub rsa4096 2016-02-24 [A] [expires: 2020-02-23]
By setting --keyid-format 0xlong, long key IDs are printed instead of the insecure short key IDs:
$ gpg a4ff2279.asc ...
Unable to import a module that is definitely installed
...akes it just work.
To be clear, if your module's name is "foo":
[burnc7 (2016-06-21 15:28:49) git]# ls -l
total 1
drwxr-xr-x 7 root root 118 Jun 21 15:22 foo
[burnc7 (2016-06-21 15:28:51) git]# cd foo
[burnc7 (2016-06-21 15:28:53) foo]# ls -l
total 2
drwxr-xr-x 2 root root 93 Jun 21 15:23 foo
-...
How do I finish the merge after resolving my merge conflicts?
...e more natural command:
git merge --continue
See commit c7d227d (15 Dec 2016) by Jeff King (peff).
See commit 042e290, commit c261a87, commit 367ff69 (14 Dec 2016) by Chris Packham (cpackham).
(Merged by Junio C Hamano -- gitster -- in commit 05f6e1b, 27 Dec 2016)
See 2.12 release notes.
m...