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Can a C++ enum class have methods?

...is not what John Doe would consider a class, too. Yet they can have member functions. And classes are really not mandatory for member functions. Using a designator like value or this, something like enum Size { Huge, Mega, Apocalypse; bool operator<(X rhs) const { return *this < rhs; } (here a...
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Python Pandas: Get index of rows which column matches certain value

...ool (PS: about how to use it please check link ) df.query('BoolCol') Out[123]: BoolCol 10 True 40 True 50 True After we filter the original df by the Boolean column we can pick the index . df=df.query('BoolCol') df.index Out[125]: Int64Index([10, 40, 50], dtype='int64') Als...
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How to recursively download a folder via FTP on Linux [closed]

... 123 Better use wget -m (--mirror). wget -r is limited to a recursion depth of 5 by default. – asmaier J...
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Haskell, Lisp, and verbosity [closed]

...: almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and the static system is sufficiently general that it never g...
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How do I make a textbox that only accepts numbers?

... And just because it's always more fun to do stuff in one line... private void textBox1_KeyPress(object sender, KeyPressEventArgs e) { e.Handled = !char.IsDigit(e.KeyChar) && !char.IsControl(e.KeyChar); } NOTE: This DOES NOT prevent...
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.NET: Simplest way to send POST with data and read response

..."admin"), new KeyValuePair<string, string>("password", "test@123") }; var content = new FormUrlEncodedContent(pairs); var response = client.PostAsync("youruri", content).Result; if (response.IsSuccessStatusCode) { } ...
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Find the most frequent number in a numpy vector

... ApogentusApogentus 5,1232727 silver badges3030 bronze badges 4 ...
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How can I round a number in JavaScript? .toFixed() returns a string?

...ating-point systems. For example, 0.1 is really 0.1000000000000000055511151231257827021181583404541015625, and 0.01 is really 0.01000000000000000020816681711721685132943093776702880859375. (Thanks to BigDecimal for proving my point. :-P) Therefore (absent a decimal floating point or rational numbe...
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Working copy XXX locked and cleanup failed in SVN

... 123 +1 to you for this workaround to fix not just the OP's problem (and mine), but also for giving the 5 steps that seem to fix any svn proble...
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How to COUNT rows within EntityFramework without loading contents?

... Craig StuntzCraig Stuntz 123k1212 gold badges244244 silver badges266266 bronze badges ...