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SQL Server Regular expressions in T-SQL
...racter, and [abc] could match a, b, or c...
There is more info on the MSDN site.
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How can I copy the output of a command directly into my clipboard?
...
On OS X, use pbcopy; pbpaste goes in the opposite direction.
pbcopy < .ssh/id_rsa.pub
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How to deal with SettingWithCopyWarning in Pandas?
...['A'] /= 2
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/IPython/__main__.py:1: SettingWithCopyWarning:
A value is trying to be set on a copy of a slice from a DataFrame.
Try using .loc[row_indexer,col_indexer] = value instead
df2
A
0 2.5
1 4.5
2 3.5
There...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...y to google for what each flag means, I mainly get results to generic Perl sites and no specific information regarding the flags or their use is found there.
...
Equals(=) vs. LIKE
....
= should be used if you want exact matches and it will be faster.
This site explains LIKE
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How to find keys of a hash?
..."a", "b", "c"]
Compatibility details can be found here.
On the Mozilla site there is also a snippet for backward compatibility:
if(!Object.keys) Object.keys = function(o){
if (o !== Object(o))
throw new TypeError('Object.keys called on non-object');
var ret=[],p;
for(p in o) if(O...
When should I write the keyword 'inline' for a function/method?
...l only inline function calls where the definition is available at the call site. Leaving all function in the cpp file would limit inlining to that file. I suggest defining small one liners inline in the .h as the cost to compilation speed is negligible and you're almost guaranteed the compiler wil...
How to select only the records with the highest date in LINQ
...d one class to hold following information
Level (number)
Url (Url of the site)
Go the list of sites stored on a ArrayList object. And executed following query to sort it in descending order by Level.
var query = from MyClass object in objCollection
orderby object.Level descending
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Ruby on Rails - Import Data from a CSV file
...on I was unable to find them on place (I looked on official Ruby and Rails sites, API docs). E.g. I couldn't find what object returns CSV.parse(), I didn't find to_hash() and with_indifferent_access() methods... Maybe I looked in wrong place or missed some basic principle on how to traverse Rub...
Total memory used by Python process?
...ance_of, fields) for obj in self._raw_query(wql) ] File "C:\Python27\lib\site-packages\win32com\client\util.py", line 84, in next return _get_good_object_(self._iter.next(), resultCLSID = self.resultCLSID) pywintypes.com_error: (-2147217385, 'OLE error 0x80041017', None, None) if anyone can h...