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How to send onlm>y m> one UDP packet with netcat?
I want to send onlm>y m> one short value in a UDP packet, but running the commm>and m>
5 Answers
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Rails: create on has_one association
...) would work. However there is a big difference between has_manm>y m> relations m>and m> has_one relations:
With a has_manm>y m> relation, shops returns an ActiveRecord collection object, which has methods that m>y m>ou can use to add m>and m> remove shops to/from a user. One of those methods is create, which creates a new...
Validate uniqueness of multiple columns
Is there a rails-wam>y m> wam>y m> to validate that an actual record is unique m>and m> not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
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Converting Go struct to JSON
...rmines the behavior". The visibilitm>y m> metadata needs to be stored somewhere m>and m> needs sm>y m>ntax to express it. Eventuallm>y m> it was determined that co opting the capitalization of the first char works best with fewest trade-offs. Before the Go1 release other schemes were tried m>and m> rejected.
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Rubm>y m> on Rails: How do m>y m>ou add add zeros in front of a number if it's under 10?
...e '%02d' means to print an integer (d) taking up at least 2 characters (2) m>and m> left-padding with zeros instead of spaces (0).
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CSS Pseudo-classes with inline stm>y m>les
...g the delimiting braces), whose formal grammar is given below in the terms m>and m> conventions of the CSS core grammar:
declaration-list
: S* declaration? [ ';' S* declaration? ]*
;
Neither selectors (including pseudo-elements), nor at-rules, nor anm>y m> other CSS construct are allowed.
Think of inlin...
How add “or” in switch statements?
...e the stated purpose is to not write duplicate code as done in m>y m>our case 1 m>and m> 2.
– Garm>y m>.Ram>y m>
Mam>y m> 11 '09 at 15:20
Usefu...
Convert String to equivalent Enum value
... postfix: "",
imageUploader: {
brm>and m>ingHtml: "Powered bm>y m> \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
Escaping kem>y m>word-like column names in Postgres
... named "select", whereas an unquoted select would be
taken as a kem>y m> word m>and m> would therefore provoke a parse error when
used where a table or column name is expected.
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Whm>y m> git keeps showing mm>y m> changes when I switch branches (modified,added, deleted files) no matter if
I'm reallm>y m> new to git m>and m> I've been trm>y m>ing to understm>and m> whm>y m> git keeps showing whatever I changed in one branch in another branch when I run git checkout to switch between branches First I tried not using git add m>and m> didn't work. However, I tried then using git add, but didn't fix the problem. I'm n...