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What's the deal with a leading underscore in PHP class methods?

... { to give it some extra weight. I've never heard of developers prefacing all their methods with underscores, so I can't begin to explain what causes that. share | improve this answer | ...
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Specify sudo password for Ansible

... For example, you might have a playbook something like this: - hosts: all vars_files: - secret tasks: - name: Do something as sudo service: name=nginx state=restarted sudo: yes Here we are including a file called secret which will contain our sudo password. We will...
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Remove All Event Listeners of Specific Type

I want to remove all event listeners of a specific type that were added using addEventListener() . All the resources I'm seeing are saying you need to do this: ...
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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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Cast Int to enum in Java

... 0 or 1, i.e. a valid ordinal for that enum. Note that in Java enums actually are classes (and enum values thus are objects) and thus you can't cast an int or even Integer to an enum. share | impr...
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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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How to identify server IP address in PHP

... This is NOT the server address! This is the address the remote browser calls the server, which is under control of the remote user. Use the answer by John K instead – Ariel Feb 12 '15 at 10:36 ...
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Python Pandas: Get index of rows which column matches certain value

... frame (whose data may be gibabytes). What about dftest? Doesn't this also allocate a very large intermediate object where the returned index may be very small, or even empty. Are these magically optimized away using lazy views. If not then surely there must be an efficient way. ...
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Using sections in Editor/Display templates

I want to keep all of my JavaScript code in one section; just before the closing body tag in my master layout page and just wondering the best to go about it, MVC style. ...
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What's the difference between console.dir and console.log?

... @icedwater: Depends on whether you have the console open when you call console.log or open it later. Yes, really. :-) – T.J. Crowder Jun 22 '17 at 17:12 ...