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What is lazy loading in Hibernate?

... you have a parent and that parent has a collection of children. Hibernate now can "lazy-load" the children, which means that it does not actually load all the children when loading the parent. Instead, it loads them when requested to do so. You can either request this explicitly or, and this is far...
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Importing a Swift protocol in Objective-C class

...in the objC header file, like this: @protocol AnalyticProtocol; You can now use the protocol in your objC class declaration: @interface AnalyticFactory : NSObject { Class<AnalyticProtocol> _analyticProtocolClass; // The type of the analytic class currently used. } In your implementat...
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WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]

...service via which they can exchange network and media metadata, a process known as signaling. However, once signaling has taken place, video/audio/data is streamed directly between clients, avoiding the performance cost of streaming via an intermediary server. WebSocket on the other hand is designe...
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How to create Android Facebook Key Hash?

...e and password etc. Store it as a .jks file at a folder easily accessible. Now copy the path and generate the key by replacing that path in the above mentioned answer. – buggydroid Dec 9 '15 at 11:08 ...
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Undo git reset --hard with uncommitted files in the staging area

...ache --unreachable $(git for-each-ref --format="%(objectname)") > all Now the object names of those unreachable commits can be found with: egrep commit all | cut -d ' ' -f 3 So you can find just the trees and objects that have been added to the index, but not committed at any point, with: g...
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

...mplemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong? ...
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Queries vs. Filters

...ise filters happen before queries. The caching of filters makes more sense now. – Constant Meiring Apr 15 '15 at 19:46 ...
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How do I copy a string to the clipboard on Windows using Python?

...clipboard_clear() r.clipboard_append('i can has clipboardz?') r.update() # now it stays on the clipboard after the window is closed r.destroy() And that's all, no need to mess around with platform-specific third-party libraries. If you are using Python 3, replace TKinter with tkinter. ...
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How to overlay one div over another div

... thanks alex for your help but what I am finding now is that when I resize my window and drag it to be smaller, my info image is not staying with it's parent div. Basically want it to move with the parent div and stay pretty much at the same position even though the screen ...
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Why is Go so slow (compared to Java)?

...fically, the goroutine scheduler isn't pre-emptive). Beyond that, I don't know Google's plans, whether the g compilers will ever be fiercely optimising, or if only gccgo will. – Steve Jessop Apr 24 '10 at 17:46 ...