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Count the number occurrences of a character in a string

...er in a string. But if you need to count more characters you would have to read the whole string as many times as characters you want to count. A better approach for this job would be: from collections import defaultdict text = 'Mary had a little lamb' chars = defaultdict(int) for char in text: ...
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Can you have if-then-else logic in SQL? [duplicate]

...mmer and not very into dbs, I think this solution looks the most simple to read and understand :) However, I get multiple result sets since it does more than 1 select. Is there any way to only return 1 resut set? Also, does anyone back up @mson on this being a bad idea? – Cotte...
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Strange out of memory issue while loading an image to a Bitmap object

...g.OutOfMemoryError: bitmap size exceeds VM budget when loading Bitmaps. Read Bitmap Dimensions and Type The BitmapFactory class provides several decoding methods (decodeByteArray(), decodeFile(), decodeResource(), etc.) for creating a Bitmap from various sources. Choose the most appropriate deco...
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Deep cloning objects

... For this to work the object to clone needs to be serializable as already mentioned - this also means for example that it may not have circular dependencies – radomeit Feb 22 '18 at 10:03 ...
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How to check if a variable is not null?

... Have a read at this post: http://enterprisejquery.com/2010/10/how-good-c-habits-can-encourage-bad-javascript-habits-part-2/ It has some nice tips for JavaScript in general but one thing it does mention is that you should check for ...
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Difference between global and device functions

... host(CPU) function to call a device(GPU) function, then 'global' is used. Read this: "https://code.google.com/p/stanford-cs193g-sp2010/wiki/TutorialGlobalFunctions" And when we want a device(GPU) function (rather kernel) to call another kernel function we use 'device'. Read this "https://code.goog...
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What is the difference between printf() and puts() in C?

... How did you read the assembly code after compiling the C code? – Koray Tugay Mar 16 '15 at 18:15 3 ...
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Print newline in PHP in single quotes

... you can not express a new-line character in single quotes. And that's it. Reading the manual could have helped :) – hakre May 21 '13 at 9:35 ...
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What's an object file in C?

I am reading about libraries in C but I have not yet found an explanation on what an object file is. What's the real difference between any other compiled file and an object file? I would be glad if someone could explain in human language. ...
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What is the Difference Between Mercurial and Git?

... what you should expect them to be (that is, if I modify a changeset you already have, your client will see it as new if you pull from me). So Mercurial has a bias towards non-destructive commands. As for light-weight branches, then Mercurial has supported repositories with multiple branches since....