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What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
It seems to me these two views are virtually identical, especially since Galileo. Is this true, or am I missing out on some features of one or the other?
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How to move a model between two Django apps (Django 1.7)
So about a year ago I started a project and like all new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure.
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Functional, Declarative, and Imperative Programming [closed]
...rvable result of p.
Since every sub-expression is conceptually a function call, RT requires that the implementation of a function (i.e. the expression(s) inside the called function) may not access the mutable state that is external to the function (accessing the mutable local state is allowed). Put...
Or versus OrElse
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So Or only makes sense when I call a function after the or that has side effects my code depends on?
– Ralph M. Rickenbach
Jul 23 '09 at 10:09
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How to check if click event is already bound - JQuery
...ta(this[0], 'events')[type];
jQuery events are stored in a data object called events, so you could search in this:
var button = $('#myButton');
if (-1 !== $.inArray(onButtonClicked, button.data('events').click)) {
button.click(onButtonClicked);
}
It would be best, of course, if you could ...
MongoDB not equal to
...hor : 'you', post: "how to query"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "post" : "how to query" }
And now $not, which takes in predicate ($ne) and negates it ($not):
db.test.find({'post': {$not: {$ne : ""}}})
{ "_id" : ObjectId("4f6...
Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
...g context.
#element {
position: relative; /* optional */
width: 100px;
height: 100px;
background-color: blue;
}
#element::after {
content: "";
width: 150px;
height: 150px;
background-color: red;
/* create a new stacking context */
positi...
Rails 4: List of available datatypes
...SQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 2016-Sep-19:
There's a lot more postgres specific datatypes in Rails 4 and even more in Rails 5.
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How to prevent auto-closing of console after the execution of batch file
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If its something like maven use CALL, stackoverflow.com/a/52205298/4485678
– Kevin Roy
Aug 6 '19 at 9:23
add a comment
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What is the difference between graph search and tree search?
...t plus heuristic value, and so on.
The algorithm stated above is actually called tree search. It will visit a state of the underlying problem graph multiple times, if there are multiple directed paths to it rooting in the start state. It is even possible to visit a state an infinite number of times...