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How to copy files between two nodes using ansible
...ate_to: serverB cannot be used, because that would make serverB the source and destination.
– Strahinja Kustudic
Apr 19 '16 at 22:10
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Embedding unmanaged dll into a managed C# dll
...if you extract it yourself to a temporary directory during initialization, and load it explicitly with LoadLibrary before using P/Invoke. I have used this technique and it works well. You may prefer to just link it to the assembly as a separate file as Michael noted, but having it all in one file ha...
How to highlight text using javascript
... help me with a javascript function that can highlight text on a web page.
And the requirement is to - highlight only once, not like highlight all occurrences of the text as we do in case of search.
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Converting dict to OrderedDict
...hip)
What you see when you print the OrderedDict is it's representation, and it is entirely correct. OrderedDict([('PRICE', 250), ('HP', 50), ('NAME', 'Albatross'), ('BLASTERS', 13), ('THRUSTERS', 18)]) just shows you, in a reproducable representation, what the contents are of the OrderedDict.
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How can I remove a trailing newline?
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Try the method rstrip() (see doc Python 2 and Python 3)
>>> 'test string\n'.rstrip()
'test string'
Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\...
jQuery add required to input fields
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required is a boolean attribute and should only ever be omitted (for "false"), or have the same value as its name (i.e. "required") for "true". It's actually better to use .prop().
– Alnitak
Jan 10 at 10:33
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Adding two numbers concatenates them instead of calculating the sum
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out of curiousity (myself not a JavaScript programmer) (and I think this would improve the answer), what does the +-prefix do with strings?
– Sebastian Mach
Jan 24 '13 at 8:10
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hash function for string
I'm working on hash table in C language and I'm testing hash function for string.
9 Answers
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Get size of an Iterable in Java
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In general, if there is the chance that values is actually a Collection and not only an Iterable, check this and call size() in case:
if (values instanceof Collection<?>) {
return ((Collection<?>)values).size();
}
// use Iterator here...
The call to size() will usually be much fa...
How to use a variable inside a regular expression?
...y answer:
raw strings ('r'):
One of the main concepts you have to understand when dealing with special characters in regular expressions is to distinguish between string literals and the regular expression itself. It is very well explained here:
In short:
Let's say instead of finding a word bou...