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Import Error: No module named numpy
...but not in general. There seems to be a lot more to do: configuring paths, etc.
– Peter Leopold
May 21 at 20:50
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How big is too big for a PostgreSQL table?
... 3 we create the cluster, this basically puts the DB table in the physical order of the index, so when postgresql performs a query it caches the most likely next rows. Step 4 we vacuum the database to reset the statistics for the query planner
– James Doherty
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What is the difference between a heuristic and an algorithm?
...orithms.
Heuristics is some "knowledge" that we assume is good to use in order to get the best choice in our algorithm (when a choice should be taken). For example ... a heuristics in chess could be (always take the opponents' queen if you can, since you know this is the stronger figure). Heuristi...
Method names for getting data [closed]
...u are
loading from an external source,
like a file or db.
I would not use
fetch/retrieve because they are too vague and get conflated with get and there is no unambiguous semantic associated with the terms.
Example: fetch implies that some entity needs to go and get something that is remote and bri...
How do you get the rendered height of an element?
...full length. But they are almost equal ( only differing by margin, padding etc.) .
– bahti
Aug 31 '15 at 12:45
10
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How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
... could refine this and do some custom checking (for certificate name, hash etc).
at least you can circumvent problems during development when using test certificates.
share
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improve this answer
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Qt: *.pro vs *.pri
...e if you wish. You could also include .pri files in different subprojects, etc. It is very nice.
The syntax is the same, however, for both the .pro and .pri files. In the end, you would run qmake on the .pro files, and that is also what qmake generates for you if you do not have a project file exist...
Fastest way to count exact number of rows in a very large table?
...tract a good estimate by using query optimization tools, table statistics, etc. In the case of PostgreSQL, for instance, you could parse the output of explain count(*) from yourtable and get a reasonably good estimate of the number of rows. Which brings me to your second question.
I have a table...
How to prevent column break within an element?
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This solution removes the list item, so if you're using order lists for example this wouldn't be an alternative.
– Ricardo Zea
Jul 23 '13 at 17:19
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Repairing Postgresql after upgrading to OSX 10.7 Lion
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This fixed it. You can also edit /etc/paths and make sure /usr/local/bin is on the top
– Greg
Aug 5 '11 at 0:47
153
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