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Query EC2 tags from within instance
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The ec2metadata tool is deprecated. Now you query the 'magic' URL at 169.254.169.254/latest/meta-data - hit it with cURL and it gives you magic endpoints you can use to get various bits of data. In this case curl http://169.254.169.254/latest/meta-data/instance...
Interface/enum listing standard mime-type constants
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There is now also the class org.apache.http.entity.ContentType from package org.apache.httpcomponents.httpcore, starting from 4.2 up.
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How to efficiently count the number of keys/properties of an object in JavaScript?
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-1 (-200 if I could) This not only iterates through the object but also creates a whole new array with all its keys, so it completely fails at answering the question.
– GetFree
Jun 22 '12 at 14:2...
How to add an image to a JPanel?
...que property you will likely see visual artifacts." I'll update the answer now.
– Brendan Cashman
Jul 13 '12 at 12:45
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Linux - Install redis-cli only
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now it isn't working http://security.ubuntu.com/ubuntu bionic-updates/universe amd64 redis-tools amd64 5:4.0.9-1ubuntu0.1 returns 404 Not Found
– Andrew Sneck
Nov 25 '19 at 9:28
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...she does not have,
and the server seem to think something is not here ...
Now, what's missing then ?
On my system, I get this:
mysql> select version();
+------------+
| version() |
+------------+
| 5.5.21-log |
+------------+
1 row in set (0.00 sec)
mysql> SHOW GRANTS FOR 'root'@'localhos...
Calculating distance between two points, using latitude longitude?
... upon this SOF article.
Obviously, the question was asked in 2010 and its now 2019.
But it comes up early in an internet search. The original question does not discount use of third-party-library (when I wrote this answer).
public double calculateDistanceInMeters(double lat1, double long1, double...
Dealing with float precision in Javascript [duplicate]
...r decimals, like decimal.js
Format your result to some fixed number of significant digits, like this:
(Math.floor(y/x) * x).toFixed(2)
Convert all your numbers to integers
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Managing relationships in Laravel, adhering to the repository pattern
...sing Laravel 4 and had to answer all of the questions you are asking right now. After reading all of the available Laravel books over at Leanpub, and tons of Googling, I came up with the following structure.
One Eloquent Model class per datable table
One Repository class per Eloquent Model
A Servi...
What is the difference between “px”, “dip”, “dp” and “sp”?
What is the difference between Android units of measure?
33 Answers
33
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