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Should I pass a shared_ptr by reference? [duplicate]
...lid pointer!
I hope these two admittedly fairly contrived examples shed a bit of light on when you really want your shared pointers to be passed around by copy. In a well-designed program, it should always be clear who is responsible for which resources, and when used right, the shared pointer is a...
Learning Python from Ruby; Differences and Similarities
...ctions. Ruby blocks, which are kind of/sort of lambda functions, can be arbitrarily big. Because of this, Ruby code is typically written in a more functional style than Python code. For example, to loop over a list in Ruby, you typically do
collection.each do |value|
...
end
The block works ...
Should I compile with /MD or /MT?
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The system updates bit is somewhat reduced by SxS. The EXE gets to declare which CRT version it wants (wants, not gets - security updates might overrule this)
– MSalters
Apr 17 '09 at 13:49
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How to force a web browser NOT to cache images
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You may write a proxy script for serving images - that's a bit more of work though. Something likes this:
HTML:
<img src="image.php?img=imageFile.jpg&some-random-number-262376" />
Script:
// PHP
if( isset( $_GET['img'] ) && is_file( IMG_PATH . $_GET['img'] ) ) ...
What's the best way to trim std::string?
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@Beached Indeed. A bit complicated to put in an answer here though. I have written template functions for this and it is certainly quite involved. I have tried a bunch of different approaches and still not sure which is the best.
...
What is the official “preferred” way to install pip and virtualenv systemwide?
...e downside here is that 30+ virtualenvs later you might have used up quite bit of diskspace and cluttered up your filesystem.
As you can see, with the many options it is difficult to say which method to use, but with a little investigation into your use cases, you should be able to find a method t...
Removing all unused references from a project in Visual Studio projects
...5 out of 5 stars on Visual Studio Marketplace from 52 reviews put me off a bit
– ECH
Sep 13 '18 at 8:54
Tried it on an...
Running multiple commands with xargs
...in wget and checking that this command does what it is supposed to do is a bit of work. Your point that the official package can contain malicious code is true, but that also holds for the wget package.
– Fabian
May 25 '14 at 17:34
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How can I detect the touch event of an UIImageView?
...you need are touch events (via addTaget:action:forControlEvents:). It's a bit cheaper than a UIButton which has images and several states. Also, I use preprocessor conditionals to change the overlayed control's background color to pink so I can see exactly where they are (and remember that they ex...
What is the “assert” function?
...ion" -- in C++ it does not rise "exception" it calls abort... it is little bit different.
– Artyom
Oct 15 '09 at 10:55
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