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C++ Erase vector element by value rather than by position? [duplicate]
...:remove(vec.begin(), vec.end(), 8), vec.end());
This combination is also known as the erase-remove idiom.
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Update multiple columns in SQL
...ard SQL and how mainstream RDBMS do it.
With a 100+ columns, you mostly likely have a design problem... also, there are mitigating methods in client tools (eg generation UPDATE statements) or by using ORMs
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Avoid trailing zeroes in printf()
I keep stumbling on the format specifiers for the printf() family of functions. What I want is to be able to print a double (or float) with a maximum given number of digits after the decimal point. If I use:
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What's the magic of “-” (a dash) in command-line parameters?
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If you mean the naked - at the end of the tar command, that's common on many commands that want to use a file.
It allows you to specify standard input or output rather than an actual file name.
That's the case for your first and third exampl...
callback to handle completion of pipe
...ing node.js code to download documents from some url and save it in the disk.
I want to be informed about when the document is downloaded. i have not seen any callback with pipe.Or, Is there any 'end' event that can be captured on completion of download ?
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How to change color of SVG image using CSS (jQuery SVG image replacement)?
...MG tag in your HTML to embed an SVG graphic. I used Adobe Illustrator to make the graphic.
<img id="facebook-logo" class="svg social-link" src="/images/logo-facebook.svg"/>
This is just like how you'd embed a normal image. Note that you need to set the IMG to have a class of svg. The 'socia...
Python Linked List
What's the easiest way to use a linked list in python? In scheme, a linked list is defined simply by '(1 2 3 4 5) . Python's lists, [1, 2, 3, 4, 5] , and tuples, (1, 2, 3, 4, 5) , are not, in fact, linked lists, and linked lists have some nice properties such as constant-time concatenation, and b...
Can git ignore a specific line?
...river, that you can declare in a .gitattributes file (as presented in the "Keyword expansion" of "Git Attributes"):
*.yourType filter=yourFilterName
(you can even set that filter for a specific file, if you want)
Implement:
yourFilterName.smudge (triggered on git checkout) and
git config --glob...
Why can't I call read() twice on an open file?
...d cursor at the end of the file (with nothing more to read). If you are looking to read a certain number of lines at a time you could use readline(), readlines() or iterate through lines with for line in handle:.
To answer your question directly, once a file has been read, with read() you can use ...
PowerShell says “execution of scripts is disabled on this system.”
... Set-ExecutionPolicy Cmdlet.
When you are done, you can set the policy back to its default value with:
Set-ExecutionPolicy Restricted
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