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Evaluating string “3*(4+2)” yield int 18 [duplicate]
Is there a function the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
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How do I decode a string with escaped unicode?
I'm not sure what this is called so I'm having trouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string r...
Can someone explain collection_select to me in clear, simple terms?
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I've spent quite some time on the permutations of the select tags myself.
collection_select builds a select tag from a collection of objects. Keeping this in mind,
object : Name of the object. This is used to generate the name of the tag, and is...
Remove empty lines in text using Visual Studio
How to remove empty lines in Visual Studio?
11 Answers
11
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
I'm having a hard time wrapping my brain around PEP 380 .
8 Answers
8
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What is the overhead of creating a new HttpClient per call in a WebAPI client?
What should be the HttpClient lifetime of a WebAPI client?
Is it better to have one instance of the HttpClient for multiple calls?
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Returning a boolean from a Bash function
...d pipeline.
Whoa, wait. Pipeline? Let's turn to the bash manual one more time.
A pipeline is a sequence of one or more commands separated by one of the control operators ‘|’ or ‘|&’.
Yes. They said 1 command is a pipeline. Therefore, all 3 of those quotes are saying the same thin...
Why prefer two's complement over sign-and-magnitude for signed numbers?
I'm just curious if there's a reason why in order to represent -1 in binary, two's complement is used: flipping the bits and adding 1?
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Indenting #defines
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I don't know why it's not more common. There are certainly times when I like to indent preprocessor directives.
One thing that keeps getting in my way (and sometimes convinces me to stop trying) is that many or most editors/IDEs will throw the directive to column 1 at the slightest ...
How to hide action bar before activity is created, and then show it again?
... Window Title showing.
ADDON:
If you show and hide the ActionBar multiple times maybe you have noticed that the first showing is not animated. From then on showing and hiding are animated. If you want to have animation on the first showing too you can use this:
protected void onCreate(Bundle saved...