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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
...gelize the SQL-92 syntax. Sixteen years after it was approved, it's about time people start using it! And all brands of SQL database now support it, so there's no reason to continue to use the nonstandard (+) Oracle syntax or *= Microsoft/Sybase syntax.
As for why it's so hard to break the develo...
SQL WHERE ID IN (id1, id2, …, idn)
...ion.
Why?
Option 2 does the same but you repeat the column name lots of times; additionally the SQL engine doesn't immediately know that you want to check if the value is one of the values in a fixed list. However, a good SQL engine could optimize it to have equal performance like with IN. There'...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
What is the proper way to get a list of all available serial ports/devices on a Linux system?
12 Answers
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Comparing Timer with DispatcherTimer
what is a difference between System.Windows.Forms.Timer() and System.Windows.Threading.DispatcherTimer() ? In which cases, we should use them? any best practices ?
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Find the most common element in a list
...de could be much simpler if it worried a little less about big-O issues in time and space, e.g....:
def most_common(L):
groups = itertools.groupby(sorted(L))
def _auxfun((item, iterable)):
return len(list(iterable)), -L.index(item)
return max(groups, key=_auxfun)[0]
same basic idea, jus...
Sublime Text 2 and 3: open the same file multiple times
...%2fquestions%2f21992240%2fsublime-text-2-and-3-open-the-same-file-multiple-times%23new-answer', 'question_page');
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SVN how to resolve new tree conflicts when file is added on two branches
When merging a couple of branches (using SVN 1.6.1) where a file has been added on both branches (and then worked on in those separate branches) I'm getting one of the new tree conflicts:
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Configuring Git over SSH to login once
I have cloned my git repository over ssh. So, each time I communicate with the origin master by pushing or pulling, I have to reenter my password. How can I configure git so that I do not need to enter my password multiple times?
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Is it necessary to write HEAD, BODY and HTML tags?
Is it necessary to write <html> , <head> and <body> tags?
6 Answers
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What is __main__.py?
What is the __main__.py file for, what sort of code should I put into it, and when should I have one?
5 Answers
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