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Vim: How do you open another [No Name] buffer like the one on startup?
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:new will create a split window with an unnamed buffer.
:enew will open one in the current window.
:vnew will open one in a vertically split window.
:tabnew will open one in a new tab.
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More elegant way of declaring multiple variables at the same time
...lues is the best way to write your routine (especially if they really have one-letter names :)
Depending on what you're doing, it may make sense to use a dictionary instead. For example, if you want to set up Boolean preset values for a set of one-letter flags, you could do this:
>>> fla...
Shell one liner to prepend to a file
...ms to overcome", "works for me"). If we take your disclaimer seriously, no one should use your hack - and I agree. So what are we left with? A noisy distraction. I see two options: (a) delete your answer, or (b) turn it into a cautionary tale that explains why - tempting as it may be - this approach...
Shards and replicas in Elasticsearch
...node which tries to join an existing cluster if available or creates a new one. Let's say you created your own new cluster with a single node, the one that you just started up. We have no data, therefore we need to create an index.
When you create an index (an index is automatically created when yo...
Express next function, what is it really for?
...ode should check a database for a page with a certain id slug. If it finds one render it! if it doesn't find one then ignore this route handler and check for other ones.
So next() with no arguments allows to pretend you didn't handle the route so that something else can pick it up instead.
Or a ...
How do I concatenate strings and variables in PowerShell?
...this, please.
The double quotes are for when you want some pre-processing done (such as variables, special characters, etc.)
So:
$name = "Marshall Bruce Mathers III"
Write-Host "$name"
-> Marshall Bruce Mathers III
Whereas:
$name = "Marshall Bruce Mathers III"
Write-Host '$name'
-> $name
(I ...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 An...
What is sharding and why is it important?
...ta records are logically split up in a sharded database. Unlike the partitioned database, each complete data record exists in only one shard (unless there's mirroring for backup/redundancy) with all CRUD operations performed just in that database. You may not like the terminology used, but this does...
What is the most efficient way of finding all the factors of a number in Python?
Can someone explain to me an efficient way of finding all the factors of a number in Python (2.7)?
22 Answers
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What's the difference between struct and class in .NET?
...ence to somewhere else in memory where the actual value resides.
This has one benefit, to begin with:
value types always contains a value
reference types can contain a null-reference, meaning that they don't refer to anything at all at the moment
Internally, reference types are implemented as p...