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How to deep copy a list?

...t;> b # b changes too -> Not a deepcopy. [[1, 10, 3], [4, 5, 6]] Now see the deepcopy operation >>> import copy >>> b = copy.deepcopy(a) >>> a [[1, 10, 3], [4, 5, 6]] >>> b [[1, 10, 3], [4, 5, 6]] >>> a[0][1] = 9 >>> a [[1, 9, 3], [4, ...
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How do I download a binary file over HTTP?

... Yes, I know. That is why I said that it is a platform-specific solution. – Dawid Jan 17 '13 at 21:28 ...
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Fatal error: Class 'ZipArchive' not found in

...de software section > click on PHP version. Then find zip and check it. Now save. You should see like the image. Refresh page. The error should disappear. Note: If you dont found, contact server provider. They will install for you. ...
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Detect if a page has a vertical scrollbar?

...a solution that "just works" (cough). The algorithm I have come up with is now part of a plugin, jQuery.isInView, which exposes a .hasScrollbar method. Have a look at the source if you wish. In a scenario where you are in full control of the page and don't have to deal with unknown CSS, using a pl...
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Get a pixel from HTML Canvas?

... Pixel manipulation section is now available here : w3.org/TR/2dcontext2/#pixel-manipulation – jtraulle Mar 13 '19 at 11:01 add a c...
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Convert char to int in C#

...yNail in the case of the original question - asking specifically where he knows the char represents a number - this is the right answer – Don Cheadle Feb 16 '18 at 19:45 ...
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How do I check in JavaScript if a value exists at a certain array index?

...e if (i >= 0 && i < array.length) { // it is in array } Now, under the hood, JavaScript engines almost certainly won't allocate array space linearly and contiguously like this, as it wouldn't make much sense in a dynamic language and it would be inefficient for certain code. They...
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Android Studio - local path doesn't exist

... Just bumping the build tools (or is that itself Gradle? Impossible to know without devoting more of my life to the tediums of YET ANOTHER build system) to 0.6 fixed this problem for me. – nmr Oct 21 '13 at 20:20 ...
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How can I merge properties of two JavaScript objects dynamically?

...You would use object spread: let merged = {...obj1, ...obj2}; merged is now the union of obj1 and obj2. Properties in obj2 will overwrite those in obj1. /** There's no limit to the number of objects you can merge. * Later properties overwrite earlier properties with the same name. */ const all...
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Could not load NIB in bundle

...ib files. I changed it to 'Relative to project' and voila: all .xib files now are correctly loaded in IOS simulator ! I have no clue what's the reason behind that for this odd Xcode4 behavior but maybe it's worth to make an attempt ? ...