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How do I modify fields inside the new PostgreSQL JSON datatype?
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$BODY$
LANGUAGE sql IMMUTABLE STRICT
COST 100;
Update: functions are compacted now.
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What does the CSS rule “clear: both” do?
...ader, 1 side bar, 1 content area and 1 footer.
No floats for header, next comes the aside tag which I'll be using for my website sidebar, so I'll be floating the element to left.
Note: By default, block level element takes up document 100% width,
but when floated left or right, it will resize...
How to make Twitter Bootstrap menu dropdown on hover rather than click
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top: 11px;
left: -6px;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.2/css/bootstrap.min.css" rel="stylesheet" />
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container-fluid">
<a data...
When should I use a struct rather than a class in C#?
...ng a structure instead of a class if instances of the
type are small and commonly short-lived or are commonly embedded in
other objects.
Do not define a structure unless the type has all of the following characteristics:
It logically represents a single value, similar to primitive...
Are getters and setters poor design? Contradictory advice seen [duplicate]
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What does Docker add to lxc-tools (the userspace LXC tools)?
... maven, chef, puppet, salt, debian packages, rpms, source tarballs, or any combination of the above, regardless of the configuration of the machines.
Versioning. Docker includes git-like capabilities for tracking successive versions of a container, inspecting the diff between versions, committing ne...
Spring @Transactional - isolation, propagation
...e to answer.
Propagation
Defines how transactions relate to each other. Common options:
Required: Code will always run in a transaction. Creates a new transaction or reuses one if available.
Requires_new: Code will always run in a new transaction. Suspends the current transaction if one exists....
The new syntax “= default” in C++11
... user-defined default constructor with no initialization list and an empty compound statement.
§12.1/6 [class.ctor] A default constructor that is defaulted and not defined as deleted is implicitly defined when it is odr-used to create an object of its class type or when it is explicitly defaulted ...
Biggest advantage to using ASP.Net MVC vs web forms
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It provides RAD development
Easy development model for developers those coming from winform development.
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edited Aug 15 '11 at 22:56
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What is the difference between YAML and JSON?
...ta processes. For example, it is included by default in the C-based OpenCV computer vision package, whereas JSON is not.
You will find C libraries for both JSON and YAML. YAML's libraries tend to be newer, but I have had no trouble with them in the past. See for example Yaml-cpp.
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