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Center Oversized Image in Div

...mething like this. This should center any huge element in the middle vertically and horizontally with respect to its parent no matter both of their sizes. .parent { position: relative; overflow: hidden; //optionally set height and width, it will depend on the rest of the styling used } ...
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Programmatically change the src of an img tag

...ng an image src (especial when you're using elements that have IDs), you really should try to avoid jQuery, since the call is so much slower than the pure JS call – Brian Leishman Apr 8 '15 at 13:36 ...
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How do I find numeric columns in Pandas?

Let's say df is a pandas DataFrame. I would like to find all columns of numeric type. Something like: 11 Answers ...
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How to programmatically show next view in ViewPager?

I created a ViewPager and everything is working fine, however I want to have a previous next button outside of ViewPager which can be used to navigate inside ViewPager. How can I go to next Item on ViewPager without swiping manually? ...
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bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...tid]: This uses the thread ID as a key. There may be many reads in-flight, and we want to store a start timestamp to each. How? We could construct a unique identifier for each read, and use that as the key. But because kernel threads can only be executing one syscall at a time, we can use the thread...
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what is the difference between 'transform' and 'fit_transform' in sklearn

...is meant for when you have already computed PCA, i.e. if you have already called its .fit method. In [12]: pc2 = RandomizedPCA(n_components=3) In [13]: pc2.transform(X) # can't transform because it does not know how to do it. -------------------------------------------------------------------------...
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Do declared properties require a corresponding instance variable?

... In your interface, you can formally declare an instance variable between the braces, or via @property outside the braces, or both. Either way, they become attributes of the class. The difference is that if you declare @property, then you can implement usin...
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Run git pull over all subdirectories [duplicate]

...t cd 'ing into each repo's root directory? I have the following which are all separate git repositories ( not submodules): ...
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Entity Framework with NOLOCK

...a transaction and set the isolation level to read uncommited. This essentially does the same as NOLOCK, but instead of doing it on a per table basis, it will do it for everything within the scope of the transaction. If that sounds like what you want, here's how you could go about doing it... //de...
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关于 __VA_ARGS__ 宽字符版本的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

关于 __VA_ARGS__ 宽字符版本的问题在写一个可变参数的记录日志函数,考虑到宽字符(Unicode版本)时:#define WIDEN2(x) L ## x#define WIDEN(x) WIDEN2(x)#define __...在写一个可变参数的记录日志函数,考虑到宽字符(Unicode版本)时: #defin...