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Provide an image for WhatsApp link sharing
...;meta property="og:image" content="//cdn.example.com/uploads/images/webpage_300x200.png">
* @RichDeBourke mentioned this to me, but apparently WhatsApp has increased its maximum image size (dimensions as well as file size). I did some tests: it does not work consistently every time on every devi...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
... used.
Another place where auto can be used is when you use new1 or make_* functions , such as here:
//without auto. Not that good, looks cumbersome
SomeType<OtherType>::SomeOtherType * obj1 = new SomeType<OtherType>::SomeOtherType();
std::shared_ptr<XyzType> obj2 = std::make_s...
PostgreSQL query to list all table names?
...
What bout this query (based on the description from manual)?
SELECT table_name
FROM information_schema.tables
WHERE table_schema='public'
AND table_type='BASE TABLE';
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HTML tag want to add both href and onclick working
... safari in console I see warrning: [blocked] The page at fiddle.jshell.net/_display was not allowed to display insecure content from example.com - so probably this is some security issue (only on fiddle ? )
– Kamil Kiełczewski
Oct 7 '18 at 16:46
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How can I import a database with MySQL from terminal?
...;databasename> < <filename.sql>
Example:
mysql -u root -p wp_users < wp_users.sql
mysql -u root -pPassword123 wp_users < wp_users.sql
See also:
4.5.1.5. Executing SQL Statements from a Text File
Note: If you are on windows then you will have to cd (change directory) to y...
Is System.nanoTime() completely useless?
...d solved the same problem in the same way, with a link to the FAQ for clock_gettime(CLOCK_REALTIME), which says:
Is clock_gettime(CLOCK_REALTIME) consistent across all processors/cores? (Does arch matter? e.g. ppc, arm, x86, amd64, sparc).
It should or it's considered buggy.
How...
What's the difference between deadlock and livelock?
... is a great video demonstrating deadlock and livelock: youtube.com/watch?v=_IxsOEEzf-c
– BlackVegetable
Apr 18 '15 at 22:25
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How to get root access on Android emulator?
...hese answers are all unnecessarily complicated :)
$ > adb shell
generic_x86:/ $
generic_x86:/ $ exit
$ > adb root
restarting adbd as root
$ > adb shell
generic_x86:/ #
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Why does Python code run faster in a function?
...e on the PyObject which is trivial.
Contrast this to a global lookup (LOAD_GLOBAL), which is a true dict search involving a hash and so on. Incidentally, this is why you need to specify global i if you want it to be global: if you ever assign to a variable inside a scope, the compiler will issue ST...
scp (secure copy) to ec2 instance without password
...ermission Denied" error! How can I solve this?
– AleX_
Jan 18 '19 at 22:27
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