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How can I get file extensions with JavaScript?

... Newer Edit: Lots of things have changed since this question was initially posted - there's a lot of really good information in wallacer's revised answer as well as VisioN's excellent breakdown Edit: Just because this is th...
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How can I check if a Perl array contains a particular value?

...})) { ... } You can also add more (unique) params to the list: $params{$newparam} = 1; And later get a list of (unique) params back: @badparams = keys %params; share | improve this answer ...
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Standardize data columns in R

... mutate_each_() is now deprecated. You can use mutate_at() instead. The new way to do it would be: dat2 <- dat %>% mutate_at(c("y", "z"), scale) – user8065556 Oct 16 '19 at 6:34 ...
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Disable EditText blinking cursor

...kListener(editTextClickListener); OnClickListener editTextClickListener = new OnClickListener() { public void onClick(View v) { if (v.getId() == iEditText.getId()) { iEditText.setCursorVisible(true); } } }; 3) then onCreate, capture the event...
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Writing to an Excel spreadsheet

I am new to Python. I need to write some data from my program to a spreadsheet. I've searched online and there seem to be many packages available (xlwt, XlsXcessive, openpyxl). Others suggest to write to a .csv file (never used CSV and don't really understand what it is). ...
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check / uncheck checkbox using jquery? [duplicate]

... For jQuery 1.6+ : .attr() is deprecated for properties; use the new .prop() function instead as: $('#myCheckbox').prop('checked', true); // Checks it $('#myCheckbox').prop('checked', false); // Unchecks it For jQuery < 1.6: To check/uncheck a checkbox, use the attribute checked and...
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MFC MDI程序的窗口菜单无法正确显示 - C/C++ - 清泛网 - 专注C/C++及内核技术

...r a pop-up menu containing standard Window menu commands such as ID_WINDOW_NEW and ID_WINDOW_TILE_HORZ.Override this member function if you have a Window menu that does not use the standard menu command IDs. 所以,只需要覆盖函数CMDIFrameWnd::GetWindowMenuPopup就可以解决问题,这...
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Why do you need explicitly have the “self” argument in a Python method?

...t. – Martin Beckett Feb 3 '09 at 23:51 10 However when you call a method you don't have to pass o...
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No Multiline Lambda in Python: Why not?

...r)? Or does it return y? Or is it a syntax error, because the comma on the new line is misplaced? How would Python know what you want? Within the parens, indentation doesn't matter to python, so you can't unambiguously work with multilines. This is just a simple one, there's probably more examples...
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How can I post data as form data instead of a request payload?

...oups.google.com/forum/#!msg/angular/5nAedJ1LyO0/4Vj_72EZcDsJ UPDATE To use new services added with AngularJS V1.4, see URL-encoding variables using only AngularJS services share | improve this ans...