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Image width/height as an attribute or in CSS? [duplicate]
... and you stick an image in it you want to center wrapped in a div, then in order to center that div with auto margins, you MUST specify a CSS width/height, because specifying an HTML attribute width/height has no effect and the margins remain zero. I have no idea why the difference exists. For exa...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...t of stored procs have generally been from the following (in no particular order):
Pre-parsed SQL
Pre-generated query execution plan
Reduced network latency
Potential cache benefits
Pre-parsed SQL -- similar benefits to compiled vs. interpreted code, except on a very micro level.
Still an adva...
UnicodeDecodeError when redirecting to file
...ers to bytes is called encoding. Thus, a computer requires an encoding in order to represent characters. Any text present on your computer is encoded (until it is displayed), whether it be sent to a terminal (which expects characters encoded in a specific way), or saved in a file. In order to be ...
Step-by-step debugging with IPython
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ps: note that an ipdb command takes precedence over python code. So in order to write list(foo) you'd need print list(foo).
Also, if you like the ipython prompt (its emacs and vim modes, history, completions,…) it's easy to get the same for your project since it's based on the python prompt t...
How can I position my div at the bottom of its container?
...ement seeks it's closest parent that is absolute or relatively position in order to determine it's position. If all fails it resorts to body (window). So hence the need for the parent to be relative.
– user17753
Jun 13 '12 at 18:46
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Are list-comprehensions and functional functions faster than “for loops”?
...ension, for example, is indeed faster, it would be a much better option in order to avoid lags (Despite the visual complexity of the code).
Chances are, if code like this isn't already fast enough when written in good non-"optimized" Python, no amount of Python level micro optimization is going to...
Replacement for “rename” in dplyr
...onious solution but this works and preserves all columns (though not their order). disp does not get duplicated.
– farnsy
Aug 22 '14 at 3:38
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What do I need to read to understand how git works? [closed]
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For me, the following three resources were very, very helpful, in this order:
The Thing About Git explained why I should even care
Git Magic explained how to get started
Git The Basics [pdf] explained - graphically, and in detail - what happens when I add, remove, merge, etc.
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Add a column to existing table and uniquely number them on MS SQL Server
...be of type IDENTITY (auto-increment), or you want to be specific about the order in which your rows are numbered, you can add a column of type INT NULL and then populate it like this. In my example, the new column is called MyNewColumn and the existing primary key column for the table is called MyP...
Difference between partition key, composite key and clustering key in Cassandra?
...tition key columns, then you can add optionally each clustering key in the order they're set.
so the valid queries are (excluding secondary indexes)
col1 and col2
col1 and col2 and col10
col1 and col2 and col10 and col 4
Invalid:
col1 and col2 and col4
anything that does not contain both col1...