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How does the new automatic reference counting mechanism work?

Can someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just wondering exactly how it worked. ...
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Why wasn't PyPy included in standard Python?

... It is worth noting that PyPy now comes with an incremental GC, and is potentially more suitable for games as a consequence. – porgarmingduod Oct 23 '13 at 11:55 ...
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Worst security hole you've seen? [closed]

...nter2, it shows to us as ******* <AzureDiamond> thats neat, I didnt know IRC did that <Cthon98> yep, no matter how many times you type hunter2, it will show to us as ******* <AzureDiamond> awesome! <AzureDiamond> wait, how do you know my pw? <Cthon98> er, I just copy pa...
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Adding new column to existing DataFrame in Python pandas

... did it wrong (it can trigger false positives) but from 0.13.0 it let you know there are more adequate methods for the same purpose. Then, if you get the warning, just follow its advise: Try using .loc[row_index,col_indexer] = value instead >>> df1.loc[:,'f'] = pd.Series(np.random.randn(sL...
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Can anyone explain IEnumerable and IEnumerator to me? [closed]

...t's say you are running an airline company. And in each plane you want to know information about the passengers flying in the plane. Basically you want to be able to "traverse" the plane. In other words, you want to be able to start at the front seat, and to then work your way towards the back of th...
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const char * const versus const char *?

... (I know this is old but I wanted to share anyway.) Just wanted to elaborate on Thomas Matthews' answer. The Right-Left Rule of C type declarations pretty much says: when reading a C type declaration start at the identifier and g...
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How to: Define theme (style) item for custom widget

...ble.CustomImageButton_customAttr, "" ); array.recycle(); } } Now you have to apply Theme.Custom to all activities that use CustomImageButton (in AndroidManifest.xml): <activity android:name=".MyActivity" android:theme="@style/Theme.Custom"/> That's all. Now CustomImageButton t...
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CSS @font-face - what does “src: local('☺')” mean?

...excerpt from his blog post: And.. regarding @font-face syntax I now recommend the bulletproof smiley variation over the original bulletproof syntax. @font-face { font-family: 'Graublau Web'; src: url('GraublauWeb.eot'); src: local('☺'), url('GraublauWeb.woff') format('woff...
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Downloading all maven dependencies to a directory NOT in repository?

...e you need your app's dependencies for whatever reason. I'm using it right now to inspect the dependent libraries for redundant API definitions (e.g. some libraries will include Javax APIs, which can conflict with other versions of the same API), but it's also good if your app needs its dependencies...
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Use 'import module' or 'from module import'?

... No, in the last example, the name 'foo' is unknown – Ghislain Leveque Jan 11 '16 at 13:59 33 ...