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Why can't I forward-declare a class in a namespace using double colons?
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Is the “struct hack” technically undefined behavior?
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As the C FAQ says:
It's not clear if it's legal or portable, but it is rather popular.
and:
... an official interpretation has deemed that it is not strictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which ...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
My program operates like this:
9 Answers
9
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How to get the text node of an element?
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var text = $(".title").contents().filter(function() {
return this.nodeType == Node.TEXT_NODE;
}).text();
This gets the contents of the selected element, and applies a filter function to it. The filter function returns only text nodes (i.e. those nodes with nodeType == Node.TEXT_NODE).
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Can a local variable's memory be accessed outside its scope?
...ning references? Coincidentally that is the subject of today's blog post:
https://ericlippert.com/2011/06/23/ref-returns-and-ref-locals/
Why do we use stacks to manage memory? Are value types in C# always stored on the stack? How does virtual memory work? And many more topics in how the C# memory m...
HTML in string resource?
I know I can put escaped HTML tags in string resources. However, looking at the source code for the Contacts application I can see that they have a way of not having to encode the HTML. Quote from the Contacts application strings.xml :
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Vertically align text next to an image?
...n to img -->
<div>
<img style="vertical-align:middle" src="https://placehold.it/60x60">
<span style="">Works.</span>
</div>
Tested in FF3.
Now you can use flexbox for this type of layout.
.box {
display: flex;
align-items:center;
}
<...
Get the last 4 characters of a string [duplicate]
... 4 characters. The -4 starts the range from the string's end. A modified expression with [:-4] removes the same 4 characters from the end of the string:
>>>mystr[:-4]
'abcdefgh'
For more information on slicing see this Stack Overflow answer.
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Bash mkdir and subfolders [duplicate]
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You can:
mkdir -p folder/subfolder
The -p flag causes any parent directories to be created if necessary.
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How to convert integer to string in C? [duplicate]
I tried this example:
3 Answers
3
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