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Questions tagged [internals]

The internals tag denotes questions about how things work, as opposed to how to accomplish something specific. Of course, how something works underneath will have practical implications, but internals questions aren't about how to do something; rather, how to understand something.

If you understand how a database or parser or version control system actually works, you'll be better at using it. Internals questions seek this kind of inside knowledge.

660 questions
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Wordpress plugin to deactivate links temporarily

I'm looking for a solution (guess it has to be a wordpress plugin) in order to solve a problem. I'm publishing lots of sites with WP - some of them have internal links (already inserted via html) to pages which aren't published yet. My goal is that…
Matthias Gengenbach
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Where do invalid variables go when using JavaScript's with(){} statement?

When using JavaScript's with statement, where do variables that have invalid names go? var o = {"@#$%":1,"test":2} with(o){ console.log(test) // Can't do this: //console.log(@#$%) // Was it not imported, or is it just…
ADJenks
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Working of static variables in JavaScript

A bit of confusion on how static works in javascript. function StaticExample() {} StaticExample.staticProp = "Hello" console.log(StaticExample.staticProp) // "Hello" Here I have created a function and then created a static variable staticProp…
arjun
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Source not found for internal java classes in eclipse

I use eclipse and lots of times I need to open a source file of an internal class in java. I do this by pressing ctrl + click on that object. For example I want to see the codes of the Scanner class, and when I try to open it by ctrl + click on a…
Mohammad Kholghi
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How does a browser 'find' something on a webpage?

Now this may be a really trivial question, but how do modern browsers handle the find ( Ctrl + F ) operation on webpages? Do they convert it to some plain text representation by regex'ing out all HTML/CSS/JS from the webpage and then running a…
Raghav Kukreti
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Slim Framework : Call internal API REST

I've created API REST collections on my project that will be called both internally (in the same PHP project) and externally (from other projects) My question is : What is the best way to consume internal API REST ? I've created a function to mock…
simhamed
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How to read data from "com.sec.android.gallary3d" folder?

I am working on app that is required to read the recover to deleted data. I search a lot but could not find a single solution. Then I got to know that there is a director "com.sec.android.gallery3d" where all images are saved in small thumbnails.…
Hussain
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Diferences (uses) between Internal Interfaces & Subinterfaces

please I need help with a theoretical issue in Java SE. Below I detail the information I'm looking for: Difference between internal interfaces (that is, nested, interfaces within others) and subinterfaces (that is, interfaces that extend from other…
FuRRRaira
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How to hide these modules with internal user in Odoo 13?

I would like to hide Apps and Settings modules with internal user in Odoo 13. Just the administrator could control these modules! How to do that?
Leon Nguyen
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How to handle missing Swing plaf.windows classes in Java 11?

I'm migrating a multiplatform (Windows and Linux) desktop application from java8 to OpenJDK 11. The code extends a Swing class and for that we define a new class that extends the WindowsTabbedPaneUI internal API class. This class is used when the…
Sergio
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How to change style in a head on click?

On click I want to change the Internal style sheet that is in the "style" head. (I don't want to change it in Inline style!!) I managed to add the new divone css as text but I can't delete the old one (element.classList.remove ("# divone");). Is…
maja
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Where is object.__new__ defined?

Where can I find the source code for the implementation of object.__new__. It shows as "built-in". I would like to see how it works. >>> object.__new__
Evan Carroll
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Spark optimize "DataFrame.explain" / Catalyst

I've got a complex software which performs really complex SQL queries (well not queries, Spark plans you know). <-- The plans are dynamic, they change based on user input so I can't "cache" them. I've got a phase in which spark takes 1.5-2min…
BiS
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Benefits of internal iterations

I just wanted to know, what the real benefits of Internal vs External Iterations are and why it is better to use internal operations (that's what I heard at least). Is it also possible to delete elements of a collection while internally iterating…
DerWolferl
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How JVM allows debugging of kernel threads?

I understand that .class files contain line numbers associated to the byte code in order to facilitate the job of debuggers as described here. I also understand that each thread has its own pc Register which points at the next instruction, as…
Felipe Martins Melo
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