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Calculate distance between two latitude-longitude points? (Haversine formula)
...n asked for distance on between points on a WGS84 globe. Not sure how much error creeps in by using a perfect sphere, but I suspect it can be quite a lot depending on where the points are on the globe, thus the distinction is worth bearing in mind.
– redcalx
No...
Switch statement for string matching in JavaScript
...lt. When the match fails, the function returns null. To avoid an exception error we will add the || conditional operator before accessing the first array element and test against the input property that is a static property of regular expressions that contains the input string.
str = 'XYZ test';
sw...
AI2 Keep Awake
...mentation details for debugging Reference Properties Functions Events Error codes Example Tools Download The UrsAI2KeepAwake ZIP archive is available for download. The archive contains the source code, the compiled binary for uploading to App Inventor and a sample application. Note: The e...
How to run a class from Jar which is not the Main-Class in its Manifest file
...pring-boot:repackage, the above "-cp" method won't work. You will get:
Error: Could not find or load main class your.alternative.class.path
even if you can see the class in the JAR by jar tvf yours.jar.
In this case, run your alternative class by the following command:
java -cp yours.jar -Dl...
Generating a UUID in Postgres for Insert statement?
...e that if you don't install the postgresql-contrib package, you'll get the error: ERROR: could not open extension control file "/usr/share/postgresql/9.3/extension/uuid-ossp.control": No such file or directory
– Drew Noakes
Jan 29 '14 at 16:27
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Recursively add files by pattern
... details.
– gwideman
Mar 6 '18 at 6:05
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Detect if the app was launched/opened from a push notification
...nows.
– Eric Conner
Feb 1 '17 at 18:05
Just a heads up. I was testing iOS 11 Beta 9 today and found that in the case w...
Can't connect Nexus 4 to adb: unauthorized
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I think it has an error when the device tries to display the screen asking for permission, so it does not appear.
This works for me (commands are given in the adb shell):
rm /data/misc/adb/adb_keys;
I sent the public key (adbkey.pub in ~/.a...
Why does the default parameterless constructor go away when you create one with parameters
...ructor that ensures the class' invariant" and it would raise a compilation error.
– Jon Hanna
Aug 26 '12 at 12:23
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Find document with array that contains a specific value
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– Alexandre Bourlier
May 23 '16 at 17:05
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Thanks. This is what I was actually looking for, the wa...