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How do I find the number of arguments passed to a Bash script?
...rage of the numbers is: $avg" which helps me to get unkown numbers of args and do some math (you can edit the operand) Thanks for Dennis Williamson, I did it. I'm posting to code because it may be usefull for someone.
– kaan yılmaz
Mar 4 '16 at 11:28
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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
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Thanks, I just ran in to this and your fix worked for me as well. I somehow triggered the issue when adding and removing some SDKs (I have multiple versions of the JDK installed on my machine).
– Matt Hurne
Aug 17 '...
How to return smart pointers (shared_ptr), by reference or by value?
...al C++ compilers implement RVO even when all optimizations are turned off. And with C++11's move semantics, this concern is even less relevant. (But the only way to be sure is to profile and experiment.)
If you're still not convinced, Dave Abrahams has an article that makes an argument for returnin...
Right way to reverse pandas.DataFrame?
...ich returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw an exception. ( see docs )
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$.ajax - dataType
...ct.
Expecting JSON, or XML, or HTML, etc. The default is for jQuery to try and figure it out.
The $.ajax() documentation has full descriptions of these as well.
In your particular case, the first is asking for the response to be in UTF-8, the second doesn't care. Also the first is treating the...
Retrieving the last record in each group - MySQL
...dowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1...
Difference between const & const volatile
...stem, this is typically used to access hardware registers that can be read and are updated by the hardware, but make no sense to write to (or might be an error to write to).
An example might be the status register for a serial port. Various bits will indicate if a character is waiting to be read o...
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
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This is a very common problem that arises due to a misunderstanding of how :nth-child() and :nth-of-type() work. Unfortunately, there is currently no selector-based solution as yet because Selectors does not provide a way to match the nth child that matches an arbitrary selector based ...
What is the `sensor` parameter for in the Google Places API?
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Edit: The sensor parameter is no longer required, and will now be ignored if it's used.
The parameter doesn't impact the results. It's a parameter that Google is required to collect for Google's data providers who charge differently based on whether the request uses a senso...
unix domain socket VS named pipes?
After looking at a unix named socket and i thought they were named pipes. I looked at name pipes and didnt see much of a difference. I saw they were initialized differently but thats the only thing i notice. Both use the C write/read function and work alike AFAIK.
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