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What would be C++ limitations compared C language? [closed]
...n answer I gave to a current question which asks about a generics library for C - the questioner specifically states that they do not want to use C++.
C is a complete programming language. C is not an arbitrary subset of C++. C is not a subset of C++ at all.
This is valid C:
foo_t* foo = malloc...
Change key pair for ec2 instance
How do I change the key pair for my ec2 instance in AWS management console? I can stop the instance, I can create new key pair, but I don't see any link to modify the instance's key pair.
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How to run Rake tasks from within Rake tasks?
I have a Rakefile that compiles the project in two ways, according to the global variable $build_type , which can be :debug or :release (the results go in separate directories):
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How to use UIVisualEffectView to Blur Image?
...f applying the blur to an image? I've been trying to figure out the code for a while now :( still new at obj c!
7 Answers
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How to implement the factory method pattern in C++ correctly
There's this one thing in C++ which has been making me feel uncomfortable for quite a long time, because I honestly don't know how to do it, even though it sounds simple:
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Change color of PNG image via CSS?
...isplaying a simple shape in white, is it possible to somehow change the color of this through CSS? Some kind of overlay or what not?
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How do I make an HTML text box show a hint when empty?
I want the search box on my web page to display the word "Search" in gray italics. When the box receives focus, it should look just like an empty text box. If there is already text in it, it should display the text normally (black, non-italics). This will help me avoid clutter by removing the label....
How do I pass data between Activities in Android application?
...ng sessionId = getIntent().getStringExtra("EXTRA_SESSION_ID");
The docs for Intents has more information (look at the section titled "Extras").
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Replace a value in a data frame based on a conditional (`if`) statement
In the R data frame coded for below, I would like to replace all of the times that B
appears with b .
8 Answers
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HTML5 Number Input - Always show 2 decimal places
Is there's any way to format an input[type='number'] value to always show 2 decimal places?
15 Answers
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