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Red black tree over avl tree
... balance factor at each node. This takes O(N) extra space. However, if we know that the keys that will be inserted in the tree will always be greater than zero, we can use the sign bit of the keys to store the colour information of a red-black tree. Thus, in such cases red-black tree takes no extra ...
Replace None with NaN in pandas dataframe
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pd.np.nan now gives FutureWarning: The pandas.np module is deprecated and will be removed from pandas in a future version. Import numpy directly instead.
– Alex Povel
Jun 22 at 17:14
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How to search and replace globally, starting from the cursor position and wrapping around the end of
... is the key-- continue editing the paragraph. Your approach "Press y,y,y, now press q. Now you start searching at the first line of the paragraph. Press q again to quit. Now go back to where you were before, to continue editing. Ok, g;. So, basically: yyyqq... become confused... g; (or u^R) My met...
Eclipse: Referencing log4j.dtd in log4j.xml
I've been using log4j for quite a while now and I usually use this at the top of the log4j.xml (probably just like many others and according to Google this is the way to do it):
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Writing a compiler in its own language
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@robru I don't know about K&R's process, I'm sure this wasn't the case for it, but theoretically, the source could compile itself from the very beginning. And as long as you have something or someone who can correctly execute the program...
How to make/get a multi size .ico file? [closed]
...s open apps are shown when using Alt-Tab). Once I have that .ico file, I know how to use it within my widget toolkit to get this effect, but I don't know how to get it.
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What port is a given program using? [closed]
...believe you need to be in the administrator group to do this, and I don't know what security implications there are on Vista.
I usually add -n as well to make it a little faster, but adding -b can make it quite slow.
Edit: If you need more functionality than netstat provides, vasac suggests that y...
How to pinch out in iOS simulator when map view is only a portion of the screen?
... right using two fingers from each hand but I have it working like a charm now.
– Christopher
Jul 25 '12 at 22:07
Glad...
How do I add a Maven dependency in Eclipse?
I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following:
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New to unit testing, how to write great tests? [closed]
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Thanks a lot, your answer was the more complete. I now better understand what mock objects are really for : I don't need to assert every call to other methods, just the relevant ones. I also don't need to know HOW things get done, but that they correctly do.
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