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What is meant by “managed” vs “unmanaged” resources in .NET?

... The term "unmanaged resource" is usually used to describe something not directly under the control of the garbage collector. For example, if you open a connection to a database server this will use resources on the server (for maintaining the connection) and po...
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rotating axis labels in R

In R, how do I make a (bar)plot's y axis labels parallel to the X axis instead of parallel to the Y axis? 5 Answers ...
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When tracing out variables in the console, How to create a new line?

... In ES6/ES2015 you can use string literal syntax called template literals. Template strings use backtick character instead of single quote ' or double quote marks ". They also preserve new line and tab const roleName = 'test1'; const role_ID = 'test2'; const modal_ID ...
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MySQL 'create schema' and 'create database' - Is there any difference

... CREATE SCHEMA is a synonym for CREATE DATABASE as of MySQL 5.0.2. this all goes back to an ANSI standard for SQL in the mid-80s. That standard had a "CREATE SCHEMA" command, and it served to introduce multiple name spaces for table and view names. All tables and views were created within a "s...
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Stream vs Views vs Iterators

... First, they are all non-strict. That has a particular mathematical meaning related to functions, but, basically, means they are computed on-demand instead of in advance. Stream is a lazy list indeed. In fact, in Scala, a Stream is a List wh...
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When to use , tag files, composite components and/or custom components?

...nces be the only solution when a composite component doesn't suffice. Generally, having an <ui:include> with one or more <ui:param> which passes a managed bean property (and thus not a hardcoded value) is a signal that the include file can better be a tag file. Examples: How to create a...
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How to find memory leak in a C++ code/project?

...e software tools 1 Understand the operator basics. The C++ operator new allocates heap memory. The delete operator frees heap memory. For every new, you should use a delete so that you free the same memory you allocated: char* str = new char [30]; // Allocate 30 bytes to house a string. delete ...
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Java String split removed empty values

...[] split = data.split("\\|", -1); Little more details: split(regex) internally returns result of split(regex, 0) and in documentation of this method you can find (emphasis mine) The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resultin...
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Intercept page exit event

...ser might decide to navigate to another website and in doing so could lose all the edits they have not saved. 4 Answers ...
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How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?

...o far so good! But instead of rendering the fonts with a higher font size, all texts are just scaled up, too. That of course leads to very blurry text (on all controls like buttons etc.). ...