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Regex to check whether a string contains only numbers [duplicate]
... (?:E|e)(?:\+|-)? and forgot to drop the | when you made it into character sets. You need the | when you use groupings to specify alternatives, but in a character set, the listed choices are automatically alternatives to each other and | has no special meaning. So something like [E|e] allows E, e an...
Concatenate two string literals
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Simple Vim commands you wish you'd known earlier [closed]
...gexp to do substitutions on and it's not worked. There is a better way:
:set incsearch " I have this in .vimrc
/my complicated regexp " Highlighted as you enter characters
:%s//replace with this/ " You don't have to type it again
The "trick" here (for want of a better word) is...
Creating anonymous objects in php
...meValue;
Of course if you already know the properties and values you can set them inside as has been mentioned:
$someObj = (object)['prop1' => 'value1','prop2' => 'value2'];
NB: I don't know which versions of PHP this works on so you would need to be mindful of that. But I think the first...
Integer division with remainder in JavaScript?
In JavaScript , how do I get:
15 Answers
15
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Why {} + {} is NaN only on the client side? Why not in Node.js?
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ActiveRecord OR query
How do you do an OR query in Rails 3 ActiveRecord. All the examples I find just have AND queries.
14 Answers
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How can I convert spaces to tabs in Vim or Linux?
... 'tabstop'), you were right to use retab but first ensure 'expandtab' is reset (:verbose set ts? et? is your friend). retab takes a range, so I usually specify % to mean "the whole file".
:set tabstop=2 " To match the sample file
:set noexpandtab " Use tabs, not spaces
:%retab! "...
How to assign string to bytes array
... Best coding practices in Go is using a slice of bytes []byte and not a set array of bytes [20]byte when converting a string to bytes... Don't believe me? Check out Rob Pike's answer on this thread
– openwonk
Feb 14 '16 at 0:44
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When to use a linked list over an array/array list?
I use a lot of lists and arrays but I have yet to come across a scenario in which the array list couldn't be used just as easily as, if not easier than, the linked list. I was hoping someone could give me some examples of when the linked list is notably better.
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