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What is the logic behind the “using” keyword in C++?
What is the logic behind the "using" keyword in C++?
1 Answer
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Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?
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Thanks, I was reading this just to learn what the "Green Exit" was about, only to find out it resolve a problem for me. I had 2 view controllers separated by a TabBar controller and a navigation controller, and "Pop" didn't work to return backwards. This took 2 min...
What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
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Good to also check the other combinators in the family and to get back to what is this specific one.
ul li
ul > li
ul + ul
ul ~ ul
Example checklist:
ul li - Looking inside - Selects all the li elements placed (anywhere) inside the ul; Descendant selector
ul > li - Looking inside - Se...
Finding what methods a Python object has
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I believe that what you want is something like this:
a list of attributes from an object
In my humble opinion, the built-in function dir() can do this job for you. Taken from help(dir) output on your Python Shell:
dir(...)
dir([object]) ...
Why does !{}[true] evaluate to true in JavaScript?
... @t.niese I just typed it into my node console, and this is what I got.
– Games Brainiac
Oct 31 '13 at 9:45
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How do I force Postgres to use a particular index?
...conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause more problems later down the line as your data changes, whereas PostgreSQL's optimizer can re-evaluate the ...
Rethrowing exceptions in Java without losing the stack trace
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catch (WhateverException e) {
throw e;
}
will simply rethrow the exception you've caught (obviously the surrounding method has to permit this via its signature etc.). The exception will maintain the original stack trace.
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In php, is 0 treated as empty?
...e you might as well use !empty($var), but note that that's not the same as what you wrote in the question. What to use depends entirely on what values you want to regard as true. Just compare the differences between isset and empty and choose the right combination for the right situation.
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How do I read an entire file into a std::string in C++?
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What's the point of making it a oneliner? I'd always opt for legible code. As a self-professed VB.Net enthusiast (IIRC) I think you should understand the sentiment?
– sehe
Sep 21 '12 at ...
What would be an alternate to [TearDown] and [SetUp] in MSTest?
...IDE generated for me, MSTest doesn't recognize [TearDown] and [SetUp] . What is the alternative to this?
4 Answers
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