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Is it safe to delete a NULL pointer?
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@Alice: It is irrelevant what the standard says in that respect. The standard defined deleting a null pointer being valid for some absurd reason 30 years ago, so it is legal (most likely a C legacy). But deleting the same pointer twice (even after ch...
How to round a number to significant figures in Python
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It's just what I always wanted! where'd you find this?
– djhaskin987
Jul 19 '13 at 20:34
13
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what exactly is device pixel ratio?
... every article about mobile web, but nowhere I can found an explanation of what exactly does this attribute measure.
Can anyone please elaborate what does queries like this check?
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What is the relative performance difference of if/else versus switch statement in Java?
Worrying about my web application's performances, I am wondering which of "if/else" or switch statement is better regarding performance?
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Is it possible to set the stacking order of pseudo-elements below their parent element? [duplicate]
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I am not sure what you mean by #parent and #pseudo-parent, do you mind to show me a jsFiddle? or any example, thanks anyway.
– adardesign
Jan 31 '12 at 14:49
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vs vs for inline and block code snippets
... using it to represent sample code (which the reader is to input). This is what Stack Overflow does.
(Better yet, if you want easy to maintain, let the users edit the articles as Markdown, then they don’t have to remember to use <pre><code>.)
HTML5 agrees with this in “the pre elem...
Transitions on the CSS display property
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You can concatenate two transitions or more, and visibility is what comes handy this time.
div {
border: 1px solid #eee;
}
div > ul {
visibility: hidden;
opacity: 0;
transition: visibility 0s, opacity 0.5s linear;
}
div:hover > ul {
visibility: visible;
o...
Inline functions in C#?
... functions). Overall, yes, this is a hint to compiler, but I guess that is what was asked for.
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load scripts asynchronously
...ents can be bound to the elements.
It's not possible to tell specifically what your issue is without seeing the code.
The simplest solution is to keep all of your scripts inline at the bottom of the page, that way they don't block the loading of HTML content while they execute. It also avoids the ...
What Ruby IDE do you prefer? [closed]
...ernatives. I know NetBeans also supports Ruby these days, but I'm not sure what it has to offer over Eclipse.
25 Answers
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