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How to condense if/else into one line in Python? [duplicate]

...ompress an if / else statement to one line in Python? I oftentimes see all sorts of shortcuts and suspect it can apply here too. ...
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使用 JSON 和 Web API · App Inventor 2 中文网

...式提供给它的后续步骤。在下面的例子中,我们给它 walk all at level 和 title 的关键路径来获取列表中每个帖子的标题(按appearance排序)。这段代码在功能上等同于上面使用 for each 块的代码,但它更简洁。 发送数据 将数据发...
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Django select only rows with duplicate field values

... syntax is also how Django interprets you wanting to do a join. So, essentially when you try to filter on that, Django thinks you're trying to do a join with count which obviously doesn't exist. The fix is to specify a name for your annotation result, i.e. annotate(mycount=Count('id')) and then filt...
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How to use a dot “.” to access members of dictionary?

... Install dotmap via pip pip install dotmap It does everything you want it to do and subclasses dict, so it operates like a normal dictionary: from dotmap import DotMap m = DotMap() m.hello = 'world' m.hello m.hello += '!' # m...
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What are all the user accounts for IIS/ASP.NET and how do they differ?

Under Windows Server 2008 with ASP.NET 4.0 installed there is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list: ...
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Chrome Extension how to send data from content script to popup.html

... Although you are definitely in the right direction (and actually pretty close to the end), there are several (imo) bad practises in your code (e.g. injecting a whole library (jquery) for such a trivial task, declaring unnecessary permissions, making superflous calls to API methods etc...
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What is the single most influential book every programmer should read? [closed]

...tt Hargett How To Solve It by George Polya The Alchemist by Paulo Coelho Smalltalk-80: The Language and its Implementation Writing Secure Code (2nd Edition) by Michael Howard Introduction to Functional Programming by Philip Wadler and Richard Bird No Bugs! by David Thielen Rework by Jason Freid and...
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How to get URL of current page in PHP [duplicate]

...e - the former has the path to the actual script, the latter has the originally requested path. – Amber Aug 16 '09 at 2:19 1 ...
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GLib compile error (ffi.h), but libffi is installed

... If you have a Debian-based Linux OS with apt-get: sudo apt-get install libffi-dev With a Redhat-base OS: yum install libffi-devel With Alpine Linux: apk add libffi-dev share | improve...
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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?

... and shared objects are just different terms for the same thing - Windows calls them DLLs, while on UNIX systems they're shared objects, with the general term - dynamically linked library - covering both (even the function to open a .so on UNIX is called dlopen() after 'dynamic library'). They are ...