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How to declare a global variable in JavaScript?
...bject. For example, I'm currently working on a jQuery popup menu that I've called miniMenu. Thus, I've defined a "namespace" miniMenu under jQuery, and I place everything there.
The reason I use quotes when I talk about javascript namespaces is that they aren't really namespaces in the normal sense...
`levels
...anguage. If I remember correctly this construct in functional languages is called a lens.
But then, once you have defined replacement functions like levels<-, you get another, unexpected windfall: you don't just have the ability to make assignments, you have a handy function that takes in a fact...
How to destroy an object?
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A handy post explaining several mis-understandings about this:
Don't Call The Destructor explicitly
This covers several misconceptions about how the destructor works. Calling it explicitly will not actually destroy your variable, according to the PHP5 doc:
PHP 5 introduces a destructor concep...
What's the Hi/Lo algorithm?
...ake up a primary key- a "high" number and a "low" number. A client can basically increment the "high" sequence, knowing that it can then safely generate keys from the entire range of the previous "high" value with the variety of "low" values.
For instance, supposing you have a "high" sequence with ...
Cancel/kill window.setTimeout() before it happens
...out(removeStatusIndicator, statusTimeout); This avoids the nested function calls.
– HarleyDave
Aug 29 '14 at 11:25
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Core Data: Quickest way to delete all instances of an entity
I'm using Core Data to locally persist results from a Web Services call. The web service returns the full object model for, let's say, "Cars" - could be about 2000 of them (and I can't make the Web Service return anything less than 1 or ALL cars.
...
Copy rows from one Datatable to another DataTable?
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Though your answer technically is correct, your code sample doesn't address your assumptions. The answer by @RageeshGr handles all the assumptions and IMHO is written more concisely and is less error prone.
– chris.nesbit1
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How can I filter a Django query with a list of values?
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@OmkarDeshpande Exactly. Though,if you call get(), you will get an ObjectDoesNotExist error of course.
– DylanYoung
Nov 8 '18 at 18:59
add ...
How to change webservice url endpoint?
...'t understand what this could be). To change the service endpoint, you basically have two options.
Use the Binding Provider to set the endpoint URL
The first option is to change the BindingProvider.ENDPOINT_ADDRESS_PROPERTY property value of the BindingProvider (every proxy implements javax.xml.ws...
What is the difference between named and positional parameters in Dart?
...uss the similarities.
Dart's optional parameters are optional in that the caller isn't required to specify a value for the parameter when calling the function.
Optional parameters can only be declared after any required parameters.
Optional parameters can have a default value, which is used when ...