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How to parse a JSON string into JsonNode in Jackson?
... Is it possible to take the JsonNode, modify it a bit, and then call mapper.readValue(node, class); and get out a class?
– portforwardpodcast
Jul 26 '12 at 3:56
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Why is SELECT * considered harmful?
...er. Imagine a query that joins two tables, both of which contain a column called "ID". How would a consumer know which was which? SELECT * can also confuse views (at least in some versions SQL Server) when underlying table structures change -- the view is not rebuilt, and the data which comes bac...
ruby send method passing multiple parameters
Trying to create objects and call methods dynamically by
2 Answers
2
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Why is using the rails default_scope often recommend against?
... default_scope { where(published: true) }
belongs_to :user
end
Calling user.destroy will delete all the posts that are published, but it won't delete posts that are unpublished. Hence the database will throw a foreign key violation because it contains records that reference the user you ...
Start ssh-agent on login
... even if you don't use ssh. Need to make this fire off every time ssh is called... and ideally, you should be able to configure which hosts cause which keys to load.
– Erik Aronesty
Jul 22 '16 at 15:30
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Remove border radius from Select tag in bootstrap 3
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the class is called:
.form-control { border-radius: 0; }
be sure to insert the override after including bootstraps css.
If you ONLY want to remove the radius on select form-controls use
select.form-control { ... }
instead
EDIT: w...
Akka Kill vs. Stop vs. Poison Pill?
...is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during this time? Are the children actors notified during kill, post-stop envoked, etc? Example uses of one concept vs. the other?
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Apply CSS style attribute dynamically in Angular JS
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ngStyle directive allows you to set CSS style on an HTML element dynamically.
Expression which evals to an object whose keys are CSS style names and values are corresponding values for those CSS keys. Since some CSS style names are not valid keys for an object, they must be quoted.
ng-sty...
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...ht have been overridden (which is extremely unlikely), then they should be calling all built-in methods that way (perhaps they do).
– RobG
Aug 18 '12 at 12:55
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Difference between add(), replace(), and addToBackStack()
What is the main difference between calling these methods:
9 Answers
9
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