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ValueError: math domain error
...your newtonRaphson2 function does, I'm not sure I can guess where the invalid x[2] value is coming from, but hopefully this will lead you on the right track.
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How to append multiple values to a list in Python
...om any kind of iterable, being it another list or any other thing that provides a sequence of values.
>>> lst = [1, 2]
>>> lst.append(3)
>>> lst.append(4)
>>> lst
[1, 2, 3, 4]
>>> lst.extend([5, 6, 7])
>>> lst.extend((8, 9, 10))
>>> ls...
MySQL select with CONCAT condition
...M
users
HAVING firstlast = "Bob Michael Jones"
Here is a working SQL Fiddle.
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method
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Helped as well:) Thanks :) As a side note, I think we shouldn't copy the same constrait again and again if it's already applied in interface, IMO.
– Celdor
Nov 23 '14 at 20:09
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Clicking the back button twice to exit an activity
I've noticed this pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit".
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What does @: (at symbol colon) mean in a Makefile?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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How can I see the specific value of the sql_mode?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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arrow operator (->) in function heading
...+11, there are two syntaxes for function declaration:
return-type identifier ( argument-declarations... )
and
auto identifier ( argument-declarations... ) -> return_type
They are equivalent. Now when they are equivalent, why do you ever want to use the latter? Well, C++11 intr...
Undoing a commit in TortoiseSVN
I committed a bunch of files (dozens of files in different folders) by accident. What is the easiest, cleanest (and safest!) way to 'undo' that commit without having to delete the files from my working directory?
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LEN function not including trailing spaces in SQL Server
... number of bytes used to represent any expression".
Example:
SELECT
ID,
TestField,
LEN(TestField) As LenOfTestField, -- Does not include trailing spaces
DATALENGTH(TestField) As DataLengthOfTestField -- Shows the true length of data, including trailing spaces.
FRO...