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What is the most accurate way to retrieve a user's correct IP address in PHP?
...tax if your outputting somewhere protected or into DB.
Also also, you can test using google translate if you need a multi-proxy to see the array in x_forwarder_for. If you wanna spoof headers to test, check this out Chrome Client Header Spoof extension. This will default to just standard remote_add...
php check if array contains all array values from another array
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A bit shorter with array_diff
$musthave = array('a','b');
$test1 = array('a','b','c');
$test2 = array('a','c');
$containsAllNeeded = 0 == count(array_diff($musthave, $test1));
// this is TRUE
$containsAllNeeded = 0 == count(array_diff($musthave, $test2));
// this is FALSE
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Converting datetime.date to UTC timestamp in Python
...ted that this ignores timezone information even for offset-aware datetime (tested for Python 2.7).
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Query for array elements inside JSON type
I'm trying to test out the json type in PostgreSQL 9.3.
I have a json column called data in a table called reports . The JSON looks something like this:
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Overload constructor for Scala's Case Classes?
...les inside overloaded constructor? For example: def this(bar: Int) = { val test = 0; this(bar,test) } (this is doesn't work)
– HEX
Oct 15 '13 at 14:52
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“tag already exists in the remote" error after recreating the git tag
... tag to delete their "wrong tag" and replace it with the new "right tag".
Testing in Git 2.10/2.11 shows that retaining the old tag is the default behavior for clients running git fetch, and updating is the default behavior for clients running git fetch --tags.
(Original answer follows.)
When y...
How to check if a number is a power of 2
...t examples. e.g. Isolate the rightmost 1-bit with y = x & (-x). This test is just a special case of clearing the lowest set bit.
– Peter Cordes
Sep 18 at 18:34
add a com...
Capture Image from Camera and Display in Activity
...s increased type safety via ActivityResultContract, and provides hooks for testing these flows" - source.
The API was added in androidx.activity 1.2.0-alpha02 and androidx.fragment 1.3.0-alpha02.
So you are now able to do something like:
val takePicture = registerForActivityResult(ActivityResul...
Difference between float and decimal data type
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An excellent test. Years ago the C lib's data conversion functions would often create tons of minute differences in values converted from ASCII to float when compared against those in, say, SQLServer. This is rarely true anymore. Testing ...
When to use MyISAM and InnoDB? [duplicate]
... reads were typically almost twice as fast as InnoDB. It's always best to test with your own real data and environment when possible.
– orrd
Jul 27 '16 at 19:56
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