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Why do browsers match CSS selectors from right to left?
CSS Selectors are matched by browser engines from right to left. So they first find the children and then check their parents to see if they match the rest of the parts of the rule.
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GitHub relative link in Markdown file
...rom within a Markdown file, to another file within the same repository and branch (aka a link relative to the current branch)?
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How do you iterate through every file/directory recursively in standard C++?
... has no conception of directories. If you want to expand your net a little bit, you might like to look at using Boost.FileSystem. This has been accepted for inclusion in TR2, so this gives you the best chance of keeping your implementation as close as possible to the standard.
An example, taken str...
How do you test that a Python function throws an exception?
... edited May 5 '16 at 15:59
Robert Siemer
23.9k77 gold badges6767 silver badges8282 bronze badges
answered Sep 24 '08 at 20:02
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Size-limited queue that holds last N elements in Java
A very simple & quick question on Java libraries: is there a ready-made class that implements a Queue with a fixed maximum size - i.e. it always allows addition of elements, but it will silently remove head elements to accomodate space for newly added elements.
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How to find the php.ini file used by the command line?
I need to enable pdo_mysql in my EasyPhp environment, so I went to php.ini file and uncommented the following line:
14 Answ...
How to replace a string in multiple files in linux command line
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cd /path/to/your/folder
sed -i 's/foo/bar/g' *
Occurrences of "foo" will be replaced with "bar".
On BSD systems like macOS, you need to provide a backup extension like -i '.bak' or else "risk corruption or partial content" per the manpage.
cd /path/to/your/fo...
Calling async method synchronously
...an access the Result property of the task, which will cause your thread to block until the result is available:
string code = GenerateCodeAsync().Result;
Note: In some cases, this might lead to a deadlock: Your call to Result blocks the main thread, thereby preventing the remainder of the async...
What is the best way to conditionally apply a class?
...lement and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS?
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Are 2^n and n*2^n in the same time complexity?
Resources I've found on time complexity are unclear about when it is okay to ignore terms in a time complexity equation, specifically with non-polynomial examples.
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