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How to replace a character with a newline in Emacs?
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It's really a good idea for the characters which I don't know the key bind.
– Lei
Mar 5 '09 at 18:16
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How to 'insert if not exists' in MySQL?
...EY (`ensembl_transcript_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
Now imagine that we have an automatic pipeline importing transcripts
meta-data from Ensembl, and that due to various reasons the pipeline
might be broken at any step of execution. Thus, we need to ensure two
things:
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Understanding :source option of has_one/has_many through of Rails
...want to access Dog.find(123).breeds as a nice and convenient association.
Now, if we now want to create a has_many :dog_breeds, :through => :dogs association on Pet, we suddenly have a problem. Rails won't be able to find a :dog_breeds association on Dog, so Rails can't possibly know which Dog a...
Android Quick Actions UI Pattern
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(the official Twitter app is now maintained by Twitter itself...won't be open sourced contrary to what they announced initially)
– Juri
Feb 28 '11 at 6:38
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How to store a git config as part of the repository?
I'm using filters to mangle files during checkout like described here .
Now the problem is that filter definition is only stored in my local configuration file:
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How do I enumerate through a JObject?
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Now how do I use it for nested JSON? For example, if the "value" contains another set of key:value pairs, how can I use the JToken value to iterate through next set of pairs?
– AlbatrossCafe
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Which equals operator (== vs ===) should be used in JavaScript comparisons?
...same and when they are of the same length (as explained in the third rule)
Now it becomes interesting:
var a = "12" + "3";
var b = "123";
alert(a === b); // returns true, because strings behave like value types
But how about this?:
var a = new String("123");
var b = "123";
alert(a === b); // retu...
Java naming convention for static final variables [duplicate]
...mlFileReader extends FileReader {}
The developer is said not to need to know that the above classes are abstract or an interface.
Static Final
My personal preference and belief is that we should follow similar logic when referring to static final variables. Instead, we evaluate its usage when de...
PyLint “Unable to import” error - how to set PYTHONPATH?
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VSCode now shows this message: The setting "python.pythonPath" defined in your settings.json is now deprecated. If I delete the python.pythonPath line it still seems to work though.
– Jesse Aldridge
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How can I convert spaces to tabs in Vim or Linux?
...t it to work, not sure what is necessary and what is not, and btw i don't know what the "%" before reatab is doing: :set noet, :set tabstop=2, :retab!, :%retab!, :set tabstop=1, :retab!, :%retab!
– cwd
Feb 2 '12 at 1:39
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