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Have a reloadData for a UITableView animate when changing

...the modes I have a different number of sections and cells per section. Ideally, it would do some cool animation when the table grows or shrinks. ...
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Apply .gitignore on an existing repository already tracking large number of files

... This answer solved my problem: First of all, commit all pending changes. Then run this command: git rm -r --cached . This removes everything from the index, then just run: git add . Commit it: git commit -m ".gitignore is now working" ...
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What's the pythonic way to use getters and setters?

... Try this: Python Property The sample code is: class C(object): def __init__(self): self._x = None @property def x(self): """I'm the 'x' property.""" print("getter of x called") return self._x @x.setter def x(self, value): print("sette...
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What's the difference between the atomic and nonatomic attributes?

...o are identical; "atomic" is the default behavior (note that it is not actually a keyword; it is specified only by the absence of nonatomic -- atomic was added as a keyword in recent versions of llvm/clang). Assuming that you are @synthesizing the method implementations, atomic vs. non-atomic chang...
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C++ Best way to get integer division and remainder

... experiment with g++ 6.3.0 on x86_64 revealed that with no optimization at all, you get two idivl instructions, but with -O1 or greater, you get one. As the manual says, “Without any optimization option … Statements are independent”. – Tom Zych Oct 15 '17...
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Saving images in Python at a very high quality

...nd trying to get good figures in a latex document, save as an eps. Specifically, try something like this after running the commands to plot the image: plt.savefig('destination_path.eps', format='eps') I have found that eps files work best and the dpi parameter is what really makes them look good ...
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What is the maximum length of a table name in Oracle?

... It's actually based on the version in the compatible parameter. If you have a 12.2 DB with compatible set to 11.2.0, is still limits you to 30 chars. – rtaft Nov 15 '18 at 15:13 ...
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How to find the duration of difference between two dates in java?

... Hi first of all thank you so much for your short and nice answer, I am facing one problem on your solution like I have two date 06_12_2017_07_18_02_PM and another one is 06_12_2017_07_13_16_PM, I am getting 286 seconds instead I should g...
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How to add a 'or' condition in #ifdef

...¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯|// #ifdef CONDITION_01 //| |// #define TEMP_MACRO //| |// #endif //| |// #ifdef CONDITION_02 //| |// #define TEMP_MACRO //| |// #endif ...
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How can I scale an image in a CSS sprite

...http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out? ...