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Fastest Way to Find Distance Between Two Lat/Long Points
...ll this technique "Thinking inside the box" :)
EDIT: Can this be put into one SQL statement?
I have no idea what mySql or Php is capable of, sorry.
I don't know where the best place is to build the four points, or how they could be passed to a mySql query in Php. However, once you have the four po...
'float' vs. 'double' precision
...754 encoding.
This type of encoding uses a sign, a significand, and an exponent.
Because of this encoding, many numbers will have small changes to allow them to be stored.
Also, the number of significant digits can change slightly since it is a binary representation, not a decimal one.
Single pr...
Most efficient way to check for DBNull and then assign to a variable?
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Well, all the options mentioned are built into the framework... Actually, Convert.IsDBNull does a lot of extra work relating to IConvertible...
– Marc Gravell♦
Oct 21 '08 at 12:04
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Difference between using Throwable and Exception in a try catch
...udes it?" you can ask those in another question.
– Kronen
Nov 5 '19 at 9:13
add a comment
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Error in Swift class: Property not initialized at super.init call
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@MDJ Sure thing. I honestly don't see the added value of it either.
– Ruben
Jun 3 '14 at 18:48
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Convert a RGB Color Value to a Hexadecimal String
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This results in class java.util.IllegalFormatConversionException with message: x != java.lang.Float
– Mig82
Jun 15 at 19:14
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How to display full (non-truncated) dataframe information in html when converting from pandas datafr
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According to the docs you should set it to None to mean unlimited.
– kynan
Nov 6 '15 at 15:16
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Visualizing branch topology in Git
...accept --all, which will show all the branches instead of just the current one.)
For branch names and a compact view, try:
git log --graph --decorate --oneline
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Stop pip from failing on single package when installing with requirements.txt
... flag option, which allows xargs read arguments from file, so this can be done as xargs -n 1 -a requirements.txt pip install. Prevents UUOC and excessive plumbing
– Sergiy Kolodyazhnyy
Sep 3 '18 at 22:28
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept:
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