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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ionDetector.aix extension as described in part 2 below using the extension test send (2) may need to be rebuilt as the system evolves.
Contents
rver.
Keep in mind that the extensions mechanism is still unstable and under development. Any aia files you build in steps (1) a
Using App Inventor ex...
How do I kill background processes / jobs when my shell script exits?
...SIGTERM EXIT solution described in @tokland's answer is really nice, but latest Bash crashes with a segmantation fault when using it. That's because Bash, starting from v. 4.3, allows trap recursion, which becomes infinite in this case:
shell process recieves SIGINT or SIGTERM or EXIT;
the signal...
Handling optional parameters in javascript
...some suggestions:
http://www.planetpdf.com/developer/article.asp?ContentID=testing_for_object_types_in_ja
I am not certain if this is work or homework, so I don't want to give you the answer at the moment, but the typeof will help you determine it.
...
Catching “Maximum request length exceeded”
...ightly less that 30MB).
And I was trying to upload file of size 100 MB to test the solution mentioned by Damien McGivern (with maxRequestLength="10240" i.e. 10MB in web.config). Now, If I upload the file of size > 10MB and < 30 MB then the page is redirected to the specified error page. But i...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
... the view
controller’s view if it is not being used. You would need to test that
the view is not in a window before doing this.
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How can I convert an image into Base64 string using JavaScript?
... Approach: FileReader (2) works more quickly than approach Canvas. Tested on big photos. Hope it will be helpfull for some one.
– Max
Dec 24 '15 at 6:07
...
Add a tooltip to a div
...rth you can do it with white-space: pre-wrap; on current Chrome. I haven't tested other browsers though.
– Taugenichts
Mar 9 at 22:47
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Colspan/Rowspan for elements whose display is set to table-cell
...o rows, where the cell in the second row is a td with colspan="2".
I have tested this with Iceweasel 20, Firefox 23 and IE 10.
div.table {
display: table;
width: 100px;
background-color: lightblue;
border-collapse: collapse;
border: 1px solid red;
}
div.row {
display: tab...
Google Play app description formatting
... order to complete the answer. Experiments can help developers to decide / test which description is better, by adding 2 or more variants.
– JJ86
Jul 18 '16 at 8:34
...
Is there a better Windows Console Window? [closed]
..., open to suggestions.
A brief excerpt from the long list of options:
Latest versions of ConEmu may set up itself as default terminal for Windows
Use any font installed in the system, or copied to a folder of the program (ttf, otf, fon, bdf)
Run selected tabs as Administrator (Vista+) or as selec...