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Vim: insert the same characters across multiple lines

...e the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated. Press Esc. An uppercase I must be used rather than a lowercase i, because the lowercase i is interpreted as the start of a text object, which is rather useful on its own, e.g. for selecting insi...
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using lodash .groupBy. how to add your own keys for grouped output?

...t hard to wrap my head around. Can you explain the steps in between, especially the pairing and zipping (and the double zip, since _.object is an alias for _.zipObject). – Benny Bottema Jul 31 '15 at 9:17 ...
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Collapse sequences of white space into a single character and trim string

...low, because it creates a new object for every substring and sends method calls to each of them. – Georg Schölly Jun 23 '11 at 18:55 2 ...
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How do I diff the same file between two different commits on the same branch?

... The .. isn't really necessary, though it'll work with it (except in fairly old versions, maybe). You can also use git log or gitk to find SHA1s to use, should the two commits be very far apart. gitk also has a "diff selected -> this" and...
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...ing. You should not rely on unauthenticated encryption for security, especially since the code as provided is vulnerable to padding oracle attacks. See also: https://stackoverflow.com/a/30189841/2224584 https://stackoverflow.com/a/30166085/2224584 https://stackoverflow.com/a/30159120/2224584 Al...
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In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in

I require a module that was installed via npm. I want to access a .js file subordinate to that module (so I can subclass a Constructor method in it). I can't (well, don't want to) modify the module's code, so don't have a place to extract its __dirname. ...
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How to take the first N items from a generator or list in Python? [duplicate]

...imple syntax: array[start:stop:step] You can omit any parameter. These are all valid: array[start:], array[:stop], array[::step] Slicing a generator import itertools top5 = itertools.islice(my_list, 5) # grab the first five elements You can't slice a generator directly in Python. itertools.i...
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?

...ff using decimal numbers is A LOT more intuitive (we have 10 fingers after all - at least most of us), so declaring a number of something using hexadecimals seems like an unnecessary code obfuscation. – Andrew Cyrul Apr 13 '17 at 9:27 ...
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Iterating through a JSON object

..._raw= raw.readlines() json_object = json.loads(json_raw[0]) you should really just do: json_object = json.load(raw) You shouldn't think of what you get as a "JSON object". What you have is a list. The list contains two dicts. The dicts contain various key/value pairs, all strings. When you do j...
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Adding git branch on the Bash command prompt

... git 1.9.3 or later: use __git_ps1 Git provides a shell script called git-prompt.sh, which includes a function __git_ps1 that prints text to add to bash PS1 prompt (includes branch name) Its most basic usage is: $ __git_ps1 (master) It also takes an optional format string: $ __g...