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How to use the “required” attribute with a “radio” input field
...tribute for at least one input of the radio group.
Setting required for all inputs is more clear, but not necessary (unless dynamically generating radio-buttons).
To group radio buttons they must all have the same name value. This allows only one to be selected at a time and applies required to ...
F# changes to OCaml [closed]
... is derived from OCaml, but what major items are missing or added? Specifically I'm curious as to whether the resources available for learning OCaml are also useful to someone who wants to learn F#.
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Why are C character literals ints instead of chars?
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discussion on same subject
"More specifically the integral promotions. In K&R C it was virtually (?)
impossible to use a character value without it being promoted to int first,
so making character constant int in the first place eliminated that step.
There...
lexers vs parsers
Are lexers and parsers really that different in theory?
5 Answers
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How do I format a number with commas in T-SQL?
.../index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really convenient if I could format all those numbers with commas (987654321 becomes 987,654,321). Funny that in all the many yea...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...ck) issue the command to get a dump of the master:
mysqldump -u root -p --all-databases > /a/path/mysqldump.sql
Now you can release the lock, even if the dump hasn't ended yet. To do it, perform the following command in the MySQL client:
UNLOCK TABLES;
Now copy the dump file to the slave us...
Maven and adding JARs to system scope
...ption) specify the proper repository (if one exists) so it can be automatically downloaded by maven
In either case, remove the <systemPath> tag from the dependency
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What is the difference between async.waterfall and async.series
... https://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series .
4 Answers
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Software Design vs. Software Architecture [closed]
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Also, architecture usually deals with what (is done) and where (it's done), but never with how. That is think is the principle difference - design completes the how that architecture doesn't (and shouldn't) talk about.
– Asaf...
Cycles in family tree software
...this format contains some severe misconceptions about what a family tree really looks like.
GEDCOM has many issues, such as incompatibility with same sex relations, incest, etc... Which in real life happens more often than you'd imagine (especially when going back in time to the 1700-1800).
We hav...