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Handler vs AsyncTask

... IMO, AsyncTask was written to provide a convenient, easy-to-use way to achieve background processing in Android apps, without worrying too much about the low-level details(threads, message loops etc). It provides callback methods that help to sch...
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Makefile variable as prerequisite

...y recipe needs a environment variable ENV to be set to properly execute itself, whereas others don't care, e.g.: 8 Answe...
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Structure padding and packing

...daries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure: struct mystruct_A { char a; char gap_0[3]; /* inserted by compiler: for alignment of b */ int b; char c; c...
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How to insert newline in string literal?

In .NET I can provide both \r or \n string literals, but there is a way to insert something like "new line" special character like Environment.NewLine static property? ...
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Focusable EditText inside ListView

I've spent about 6 hours on this so far, and been hitting nothing but roadblocks. The general premise is that there is some row in a ListView (whether it's generated by the adapter, or added as a header view) that contains an EditText widget and a Button . All I want to do is be able to use t...
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Pandas read_csv low_memory and dtype options

...ed low_memory option The low_memory option is not properly deprecated, but it should be, since it does not actually do anything differently[source] The reason you get this low_memory warning is because guessing dtypes for each column is very memory demanding. Pandas tries to determine what dtype to ...
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Convert a bitmap into a byte array

Using C#, is there a better way to convert a Windows Bitmap to a byte[] than saving to a temporary file and reading the result using a FileStream ? ...
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When and why would you seal a class?

In C# and C++/CLI the keyword sealed (or NotInheritable in VB) is used to protect a class from any inheritance chance (the class will be non-inheritable). I know that one feature of object-oriented programming is inheritance and I feel that the use of sealed goes against this feature, it stop...
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Can you do this HTML layout without using tables?

... There is nothing wrong with using the tools that are available to you to do the job quickly and correctly. In this case a table worked perfectly. I personally would have used a table for this. I think nested tables should be avoided, things can g...
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How to perform runtime type checking in Dart?

...ss Foo { } main() { var foo = new Foo(); if (foo is Foo) { print("it's a foo!"); } } share | improve this answer | follow | ...