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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...
How to re import an updated package while in Python Interpreter? [duplicate]
...low. Where previously they might have needed to restart the application in order to put changed code into effect, those changes can be applied immediately.
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ImageView - have height match width?
...your know the Views width at runtime. You need to use a Runnable thread in order to get the Views width at runtime or else you'll be trying to set the Height before you know the View's width because the layout hasn't been drawn yet.
Example of how I solved my problem:
final FrameLayout mFrame = (F...
ArrayIndexOutOfBoundsException with custom Android Adapter for multiple views in ListView
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Table is marked as crashed and should be repaired
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When should I use the “strictfp” keyword in java?
...gets more complicated when the JIT optimizes a particular computation; the order the instructions could be different each time resulting in slightly different rounding.
The overhead incurred by strictfp likely to be very processor and JIT dependent.
This wikipedia article on SSE2 seems to have some...
Protecting Java Source Code From Being Accessed [closed]
...; unusual characters; trusted timestamping; modus operandi. Here's them in order.
Whitespace watermarking:
This is my original contribution to watermarking. I needed an invisible watermark that worked in text files. The trick I came up with was to put in a specific pattern of whitespace between prog...
jQuery - Get Width of Element when Not Visible (Display: None)
...width() returns 0. Makes sense, but I need to get the width of a table in order to set the width of the parent before I show the parent.
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What does !important mean in CSS?
... As @fabian-barney pointed out !important is a modifier for the cascading order developer.mozilla.org/en-US/docs/Web/CSS/Cascade (see the table for reference).
– Doomjunky
Aug 30 '19 at 0:27
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