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Is it a good idea to index datetime field in mysql?
...base. In my application I will have many rows for example I currently have one table with 4 million records. Most of my queries use datetime clause to select data. Is it a good idea to index datetime fields in mysql database?
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Date.getDay() javascript returns wrong day
...ed Nov 13 '12 at 10:44
Luca RainoneLuca Rainone
14.2k22 gold badges3434 silver badges4949 bronze badges
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...lhost forces psql to use TCP/IP. Setting an environment variable PGHOST is one of the ways to achieve that. It's documented in psql's manual.
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Merging two images in C#/.NET
Simple idea: I have two images that I want to merge, one is 500x500 that is transparent in the middle the other one is 150x150.
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What is the difference between MVC and MVVM? [closed]
...(or other patterns of organising software into separate responsibilities). One assumption, that frequently came out of this pattern, was that the ViewModel simply replaced the controller in MVC (as if you could just substitute VM for C in the acronym and all would be forgiven)...
The ViewModel does ...
Tracing XML request/responses with JAX-WS
...e XML for a webservice published with JAX-WS reference implementation (the one included in JDK 1.5 and better) ?
Being able to do that via code is what I need to do.
Just having it logged to a file by clever logging configurations would be nice but enough.
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Using getopts to process long and short command line options
... only supports single-character options.
BSD UNIX implementation of standalone getopt command (which is what MacOS uses). This does not support long options either.
GNU implementation of standalone getopt. GNU getopt(3) (used by the command-line getopt(1) on Linux) supports parsing long options.
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How to resize a custom view programmatically?
...of a view.
Instead of creating a new LayoutParams object, use the original one, so that all other set parameters are kept. Note that the type of LayoutParams returned by getLayoutParams is that of the parent layout, not the view you are resizing.
RelativeLayout.LayoutParams params = (RelativeLayout...
How to do an INNER JOIN on multiple columns
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It makes a difference to the results, the former produces one row per flight with from and to, your suggestion would produce 2 rows per flight, one row with the from and one with the to airport. It would be faster to join only once though.
– Paul Creasey
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How to suppress Pandas Future warning ?
...ernally to suppress them, or a way to override things, but I couldn't find one.
For those who need to know why...
Suppose that you want to ensure a clean working environment. At the top of your script, you put pd.reset_option('all'). With Pandas 0.23.4, you get the following:
>>> import ...