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How to convert string to char array in C++?
I would like to convert string to char array but not char* . I know how to convert string to char* (by using malloc or the way I posted it in my code) - but that's not what I want. I simply want to convert string to char[size] array. Is it possible?
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Maven package/install without test (skip tests)
I am trying to package my project. But, it automatically runs the tests previous do performing the packaging. The tests insert some content in the database. This is not what I want, I need to avoid running tests while package the application. Anybody knows how run the package with out test?
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TypeScript: casting HTMLElement
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TypeScript uses '<>' to surround casts, so the above becomes:
var script = <HTMLScriptElement>document.getElementsByName("script")[0];
However, unfortunately you cannot do:
var script = (<HTMLScriptElement[]>document.getElementsByName(id))[0];
You get the...
What is “rvalue reference for *this”?
...s a just a "marketing statement". The type of *this never changes, see the bottom of this post. It's way easier to understand it with this wording though.
Next, the following code chooses the function to be called based on the ref-qualifier of the "implicit object parameter" of the function†:
// t...
Get elements by attribute when querySelectorAll is not available without using libraries?
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You could write a function that runs getElementsByTagName('*'), and returns only those elements with a "data-foo" attribute:
function getAllElementsWithAttribute(attribute)
{
var matchingElements = [];
var allElements = document.getElementsByTagName('*');
for (var i...
Automatic counter in Ruby for each?
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As people have said, you can use
each_with_index
but if you want indices with an iterator different to "each" (for example, if you want to map with an index or something like that) you can concatenate enumerators with the each_with_index method, or simply use with_index:
b...
What's “this” in JavaScript onclick?
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In the case you are asking about, this represents the HTML DOM element.
So it would be the <a> element that was clicked on.
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Is there shorthand for returning a default value if None in Python? [duplicate]
...d the empty string if x is null. I've found it useful for working with databases.
5 Answers
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Changing a specific column name in pandas DataFrame
...[28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e 5
Following is the docstring for the rename method.
Definition: df.rename(self, index=None, columns=None, copy=True, inplace=False)
Docstring:...
character showing up in files. How to remove them?
...e 's/^\x{fffe}//' file1.js path/to/file2.js
I would assume the tool will break if you have other utf-8 in your files, but if not, perhaps this workaround can help you. (Untested ...)
Edit: added the -CSD option, as per tchrist's comment.
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