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Getting the object's property name
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More specifically, Object.keys(obj) returns an array of property names, i.e. keys, belonging to the passed in obj.
– a learner has no name
Mar 26 '16 at 12:43
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NSDictionary - Need to check whether dictionary contains key-value pair or not
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How get integer value from a enum in Rails?
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'typeid' versus 'typeof' in C++
...gives information about the runtime type of the value.
typeof Reference: http://www.delorie.com/gnu/docs/gcc/gcc_36.html
typeid Reference: https://en.wikipedia.org/wiki/Typeid
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项目管理实践教程一、工欲善其事，必先利其器【Basic Tools】 - 项目管理 -...
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1.VisualSVN Server，最新版本是1.6.1，你可以在这里下载：
http://www.visualsvn.com/files/VisualSVN-Server-1.6.1.msi
VisualSVN Server，最新更新版本是1.6.2，你可以在这里下载：
http://www.visualsvn.com/files/VisualSVN-Server-1.6.2.msi
VisualSVN Server Documen...
What are all the user accounts for IIS/ASP.NET and how do they differ?
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How to get JQuery.trigger('click'); to initiate a mouse click
...esn't work on some elements in Safari. You will need to use a workaround.
http://api.jquery.com/click/
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Storing R.drawable IDs in XML array
... item at this index
For more information about TypedArray visit this link
http://developer.android.com/reference/android/content/res/TypedArray.html
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Add new field to every document in a MongoDB collection
...field" : 1, "test" : "a" }
EDIT:
In case you want to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents
db.your_collection.update(
{},
{ $set: {"new_field": 1} },
false,
true
)
EDIT:
In the above ...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...y.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the m...