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What size should apple-touch-icon.png be for iPad and iPhone?
...the same display resolution, dpi, etc as iPhone 6s and iPhone 7plus, until now no changes found respecting the update 2015
Update Mid 2016 Android:
Add Android Devices to the list as the apple-touch links are marked as deprecated by Google and will be not supported anytime for their devices
<!-...
Is it possible to use JavaScript to change the meta-tags of the page?
...cription]').attr('content', new_description);
I think it does matter for now, since google said that they will index ajax content via #!hashes and _escaped_fragment_ calls. And now they can verify it (even automatically, with headless browsers, see the 'Creating HTML Snapshots' link on the page me...
How can I format a decimal to always show 2 decimal places?
...ring formatting
Python 3.6 introduced literal string interpolation (also known as f-strings) so now you can write the above even more succinct as:
>>> f'{pi:.2f}'
'3.14'
share
|
improve t...
How to resolve “local edit, incoming delete upon update” message
...nd commited first. As a good svn citizen you do an update before a commit. Now you have a conflict. Realising that deleting the file is the right thing to do you delete the file from your working copy. Instead of being content svn now complains that the local files are missing and that there is a co...
How to determine SSL cert expiration date from a PEM encoded certificate?
...
If you just want to know whether the certificate has expired (or will do so within the next N seconds), the -checkend <seconds> option to openssl x509 will tell you:
if openssl x509 -checkend 86400 -noout -in file.pem
then
echo "Certific...
What does character set and collation mean exactly?
...ation
of all four letters and their
encodings is a character set.
Now, suppose that we want to compare
two string values, 'A' and 'B'. The
simplest way to do this is to look at
the encodings: 0 for 'A' and 1 for
'B'. Because 0 is less than 1, we say
'A' is less than 'B'. Now, what...
Mimicking sets in JavaScript?
...or somethings called ES 2015 has a built-in Set object. It is implemented now in some browsers. Since browser availability changes over time, you can look at the line for Set in this ES6 compatibility table to see the current status for browser availability.
One advantage of the built-in Set objec...
(Deep) copying an array using jQuery [duplicate]
...s:
var a =[[1], [2], [3]];
var b = a.slice();
b.shift().shift();
// a is now [[], [2], [3]]
Note that although I've used shift().shift() above, the point is just that b[0][0] contains a pointer to a[0][0] rather than a value.
Likewise delete(b[0][0]) also causes a[0][0] to be deleted and b[0...
What is std::promise?
...
I understand the situation a bit better now (in no small amount due to the answers here!), so I thought I add a little write-up of my own.
There are two distinct, though related, concepts in C++11: Asynchronous computation (a function that is called somewhere el...
Xcode doesn't see my iOS device but iTunes does
...
Select Window ➜ Organizer in Xcode.
Now under Devices, select your device.
If it is not ready for development then click use for development.
If above doesn't solve your problem then from your project settings, set deployment target to one which your app is dev...