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How to write a large buffer into a binary file in C++, fast?

... Try the following, in order: Smaller buffer size. Writing ~2 MiB at a time might be a good start. On my last laptop, ~512 KiB was the sweet spot, but I haven't tested on my SSD yet. Note: I've noticed that very large buffers tend to decrease performance. ...
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Are there conventions on how to name resources?

... and colors I use in those layouts. However, I do try generalizing. e.g if all buttons have a common textColor, I won't prefix the name with the layout. The resource name would be 'button_textColor'. If all textColors are using the same the resource it will be named 'textColor'. For Styles, this is ...
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How to send an email with Gmail as provider using Python?

...smtp.gmail.com:587') server.ehlo() server.starttls() Also you should really create From:, To: and Subject: message headers, separated from the message body by a blank line and use CRLF as EOL markers. E.g. msg = "\r\n".join([ "From: user_me@gmail.com", "To: user_you@gmail.com", "Subject:...
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Class method decorator with self arguments?

... @wraps(f) def wrapped(self, *f_args, **f_kwargs): if callable(_lambda) and search(pattern, (_lambda(self) or '')): f(self, *f_args, **f_kwargs) return wrapped return wrapper class MyTest(object): def __init__(self): self.name = 'foo' ...
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Why does GCC generate such radically different assembly for nearly the same C code?

...e(). I'll spare you the assembly, but it is identical - register names and all. Step 2: Mathematical reduction: x + (y ^ x) = y sign can only take one of two values, 0 or 0x80000000. When x = 0, then x + (y ^ x) = y then trivial holds. Adding and xoring by 0x80000000 is the same. It flips the sign...
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setup.py examples?

...through Python packages on the Python Package Index. Just download the tarball, unpack it, and have a look at the setup.py file. Or even better, only bother looking through packages that list a public source code repository such as one hosted on GitHub or BitBucket. You're bound to run into one on t...
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How to verify if a file exists in a batch file?

... Reminder: IF, EXIST, ELSE, REM, DEL, etc. all work in lowercase as well! – Terra Ashley Jul 19 '16 at 23:57 1 ...
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How do you delete an ActiveRecord object?

... It's destroy and destroy_all methods, like user.destroy User.find(15).destroy User.destroy(15) User.where(age: 20).destroy_all User.destroy_all(age: 20) Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after...
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Syntax Error: Not a Chance

...ng blocks by braces instead of indentation will never be implemented. Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division. So the line from __future__ import braces is taken to mean you want to enable ...
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Concat scripts in order with Gulp

... Cool guys, these two masterpieces are awesome. I just finally set up my gulp.js file to work how I want, wrote in some html, saved the file and boom a site built with the best frameworks and good practices at the touch of a button. Plus updates will be easy, if you're not using eit...