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不到20个积木块，我用App Inventor 2给女儿做了个接星星小游戏 - App应用开...
...个篮子可以左右移动
3. 接住星星加分，没接住就掉血
4. 分数越高越好玩
说白了就是一个经典的"跌落物体接住"小游戏，这类游戏的核心就是精灵运动逻辑——这恰好是Sprite动画组件的看家本领。
技术方案
App Inve...
Table row and column number in jQuery
...lumn spans @grom?
– EarlyPoster
Mar 4 '11 at 13:35
@Forkrul Assail, @CMS It's fail with ROWSPAN's jsbin.com/eyeyu/1099...
Can a div have multiple classes (Twitter Bootstrap) [duplicate]
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answered Feb 14 '13 at 21:40
DarkAjaxDarkAjax
14.7k1111 gold badges4949 silver badges6363 bronze badges
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Multiple simultaneous downloads using Wget?
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edited Sep 2 '13 at 18:41
Coc B.
63588 silver badges99 bronze badges
answered Nov 15 '12 at 11:58
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Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...sponseData error:nil];
// ...
}];
If you want to also target iOS 4, use __unsafe_unretained instead of __weak. Same behavior, but the pointer stays dangling instead of being automatically set to nil when the object is destroyed.
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Git interoperability with a Mercurial Repository
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Vadim Kotov
6,57788 gold badges4343 silver badges5555 bronze badges
answered Jun 24 '12 at 15:31
dubiousjimdubiousjim
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
...nd it will work in most cases, not all cases.
Have a look around the line 450 in https://github.com/douglascrockford/JSON-js/blob/master/json2.js
There is a regexp that check for a valid JSON, something like:
if (/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/bfnrtu]/g, '@').
replace(/"[^"\\\n\r]*"|t...
Vertically centering Bootstrap modal window
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This does the job : http://jsfiddle.net/sRmLV/1140/
It uses a helper-div and some custom css. No javascript or jQuery required.
HTML (based on Bootstrap's demo-code)
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">Launch demo moda...
How to change the name of an iOS app?
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1014
Go to Targets in Xcode
Get Info on your project's target (your current development name)
Search...