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String formatting in Python 3

... of doing it using a single argument twice (as @Burhan Khalid noted in the comments): "({0.goals} goals, ${0.penalties})".format(self) Explaining: {} means just the next positional argument, with default format; {0} means the argument with index 0, with default format; {:d} is the next position...
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Python “raise from” usage

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Do regular expressions from the re module support word boundaries (\b)?

... Why don't you try word = 'two' re.compile(r'\b%s\b' % word, re.I) Output: >>> word = 'two' >>> k = re.compile(r'\b%s\b' % word, re.I) >>> x = 'one two three' >>> y = k.search( x) >>> y <_sre.SRE_Match object ...
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How to Diff between local uncommitted changes and origin

...ed a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes I can diff it ag...
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Haskell: Where vs. Let

... vs. Let . They both seem to provide a similar purpose. I have read a few comparisons between Where vs. Let but I am having trouble discerning when to use each. Could someone please provide some context or perhaps a few examples that demonstrate when to use one over the other? ...
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How can I assign an ID to a view programmatically?

... Android id overview An Android id is an integer commonly used to identify views; this id can be assigned via XML (when possible) and via code (programmatically.) The id is most useful for getting references for XML-defined Views generated by an Inflater (such as by using s...
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How can I respond to the width of an auto-sized DOM element in React?

I have a complex web page using React components, and am trying to convert the page from a static layout to a more responsive, resizable layout. However, I keep running into limitations with React, and am wondering if there's a standard pattern for handling these issues. In my specific case, I have ...
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How to increase scrollback buffer size in tmux?

...sting session, you can set that session’s history-limit. You might use a command like this (from a shell): tmux set-option history-limit 5000 \; new-window For (the initial pane of the initial window in) a new session you will need to set the “global” history-limit before creating the sessi...
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How can I make my own event in C#?

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Class type check in TypeScript

...ence of y (and in ActionScript 3.0, the prototype chain does not provide a complete picture of the inheritance hierarchy). TypeScript's instanceof shares the same problems. As it is a language which is still in its development I recommend you to state a proposal of such facility. See also: MDN: in...