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How can I concatenate NSAttributedStrings?
I need to search some strings and set some attributes prior to merging the strings, so having NSStrings -> Concatenate them -> Make NSAttributedString is not an option, is there any way to concatenate attributedString to another attributedString?
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Is it good practice to use the xor operator for boolean checks? [closed]
...like the exclusive or , ^ , operator when it makes sense in the context of boolean checks because of its conciseness. I much prefer to write
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Open existing file, append a single line
I want to open a text file, append a single line to it, then close it.
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
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Preferred way to create a Scala list
There are several ways to construct an immutable list in Scala (see contrived example code below). You can use a mutable ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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Are Java static calls more or less expensive than non-static calls?
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Four years later...
Okay, in the hope of settling this question once and forever, I have written a benchmark which shows how the different kinds of calls (virtual, non-virtual, static) compare to each other.
I ran it on ideone, and this is what I got:
(Larger numb...
Is there a way to change the environment variables of another process in Unix?
...u write your own shared library which implements 'char *getenv'. Then, you set up 'LD_PRELOAD' or 'LD_LIBRARY_PATH' env. vars so that both your processes are run with your shared library preloaded.
This way, you will essentially have a control over the code of the 'getenv' function. Then, you could...
Using varchar(MAX) vs TEXT on SQL Server
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Delete last char of string
I am retrieving a lot of information in a list, linked to a database and I want to create a string of groups, for someone who is connected to the website.
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Is there a way to provide named parameters in a function call in JavaScript?
...iddle.net/9U328/1 ( though you should rather use Object.defineProperty and set enumerable to false). One should always be careful when extending native objects. The whole approach feels a bit hacky, so I would not expect it to work now and forever ;)
– Felix Kling
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