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What is the tilde (~) in the enum definition?
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edited Mar 29 '13 at 14:35
Anoop Vaidya
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...多边形围栏Rectangle：矩形围栏（本项目未涉及）
步骤2 添加地图组件
Map属性设置
Map组件属性说明：BoundingBox地图的边界Sets or gets the current boundary for the map’s drawn view. The value is a list of lists containing the northwest and southe...
How to make tinymce paste in plain text by default
... //adding handlers crossbrowser
if (tinymce.isOpera || /Firefox\/2/.test(navigator.userAgent)) {
ed.onKeyDown.add(function (ed, e) {
if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
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How to include external Python code to use in other files?
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edited May 30 '19 at 20:42
nelsonda
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answered Apr 3 '09 at 17:...
What do the &,
...available under the alias "test".
Have a look at the YAML specification - 2.2 Structures for further details (or if you need even moar docs++: 3.2.2.2. Anchors and Aliases)
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How can I wait for set of asynchronous callback functions?
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192
You haven't been very specific with your code, so I'll make up a scenario. Let's say you have 1...
PHP array: count or sizeof?
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I would use count() if they are the same, as in my experience it is more common, and therefore w...
mongodb: insert if not exists
...e() call: {upsert:true}. For example:
key = {'key':'value'}
data = {'key2':'value2', 'key3':'value3'};
coll.update(key, data, upsert=True); #In python upsert must be passed as a keyword argument
This replaces your if-find-else-update block entirely. It will insert if the key doesn't exist and ...
Sequence-zip function for c++11?
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Warning: boost::zip_iterator and boost::combine as of Boost 1.63.0 (2016 Dec 26) will cause undefined behavior if the length of the input containers are not the same (it may crash or iterate beyond the end).
Starting from Boost 1.56.0 (2014 Aug 7) you could use boost::combine (the function...
How to split a comma-separated value to columns
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